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仁爱科普版九年级上册Topic 1 Pollution has causes too many problems.图片ppt课件
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这是一份仁爱科普版九年级上册Topic 1 Pollution has causes too many problems.图片ppt课件，共60页。PPT课件主要包含了bee，butterfly，Guess，Brainstorm，including，piano，bus，cat，wind，Task 1等内容，欢迎下载使用。
1. Pllutin has caused t many prblems.
词性变化1．chemistry (n.)— chemical (adj.)2．pllute (v.)— pllutin (n.)3．breathe (v.)— breath (n.)4．prduce (v.)— prductin / prduct (n.)
Let’s review wds
5．harm (n.)— (adj.)6．lse (v.)— (n.)— (adj.)7．envirnment (n.)— (adj.)8．including (prep.)— (v.)9．pressure (n.)— (v.)
envirnmental
根据提示填上适当的单词完成句子。 1. Have yu seen him __________(最近) ? 2. She was brn ________ (耳聋的) . 3. The gvernment plans t _________(创造) mre jbs fr yung peple. 4. Yu are w_______ yur time trying t explain it t him. 5. What a s______ they culdn’t cme.
Ｂ）．翻译下列词组.对…有害砍树更糟糕的是对…不好hearing lsshigh bld pressuren better thanpur…int…
be harmful t / d harm tcut dwn treeswhat’s wrsebe bad fr失聪；丧失听力 高血压和…一样坏把…倒入…
Let’s review phrases
９.have gt a pain in… ___________________10.thrw arund ___________________11nt all peple ___________________12.g deaf ___________________13.丧失听力 ___________________14.和……（几乎）一样坏 ___________________15.disturb thers ___________________16.各种各样样的
= have hearing lss
lse ne’s hearing
n better than
all srts/kinds f
. 根据中文提示，将下列句子补充完整。林老师去北京了，他是昨天去北京的。 Mr. Lin____ ____ ____ Beijing. He _____ there yesterday.2. 砍树对环境有害。 ______ ____ trees ____ _____ ___ the envirnment.3. 他像这样有多长时间了？ _____ _____ ____ he ______ like this?4. 有一个男孩正坐在树底下。 _____ ___ a by _______ under the tree.5. 更糟糕的是，房间和食物都很差。 _____ ________ , the rm and the fd were awful.
has gne t went
Cutting dwn des harm t
Hw lng has been
There is sitting
What’s wrse
is harmful t
你可以看见蜜蜂和蝴蝶正在飞舞。 Yu culd see bees and butterflies dancing. 2. 花儿和草都消失了！ The flwers and grass have gne.3. 看, 有几家化工厂正往小溪里倒废水。 Lk, there are several chemical factries puring waste water int the stream.4. 我难以呼吸。 It’s difficult fr me t breathe.5. 更糟糕的是，这家工厂制造太多的噪音，我晚上难以入睡。What’s wrse, the factry makes t much nise and I can’t sleep well at night.
Let’s review sentences
6. 自从上周开始我就已经这样了。 I have been like this since last week.7. 污染已经导致太多的问题。 Pllutin has caused t many prblems.8. 噪音对人类健康有害。 Nise is harmful t human’s health.9. 经常工作或生活在嘈杂环境中的人们经常会变聋。 Peple wh wrk and live in nisy cnditins ften g deaf.10. 许多美国青少年的听力不如65岁的人。 Many teenagers in America can hear n better than 65-year-ld peple d.
A: Where have yu been/traveled?
B: I have been/traveled t ...
Let's g t class
Have yu ever had a picnic?
Kangkang, Jane, Maria and Michael are planning a picnic fr Sunday.They will g t the West Hill.
What can yu see there?
We can see bees and butterflies dancing.
Is the West Hill beautiful?
a place with
beautiful flwers
many hills
green trees
What a shame/mess! The flwers and grass have gne!
The flwers and grass have gne!
Oh, my gdness. What a mess!
Lk! There are several chemical factries puring waste water int the stream.
= have disappeared.
Is it beautiful nw?What has happened there?
There are several chemical factries puring waste water int the stream.有几家化工厂正在往小溪里排放废水。
There be…ding sth… ……有……在做某事
e.g. There are sme peple waiting fr the bus at the bus stp.
1c Read 1a and cmplete the sentences in the table. Then retell 1a t yur partner.
beautiful place
lts f flwers and grass
fresh and the water was clean
bees and butterflies dancing
The flwers and grass
chemical factries
waste water
2 Wrk in pairs. Lk at the pictures and make up cnversatins similar t the example with yur partner.
Example:A: There were lts f flwers and grass when I visited the village last year.B: But nw the flwers and grass have gne.A: What has happened here?B: The villagers have destryed them.
lake/fishfactry/pllute
hill/ treesfarmers/cut dwn
village/flwers and grassvillagers/destry
4 Wrk in grups and talk abut pllutin in a place yu are familiar with. The fllwing sentences may help yu.…ag, it was… Nw, … have/ has gne. What has happened? Everything has changed. Oh, my gdness!
Read 1a,sectinB.Answer the questins.1. Des Bruce lk well?2. What’s wrng with him?3. Hw lng has he been like this?4. Has he seen a dctr?
N, he desn’t.
He lks weak.
He has a headache and a cugh.
= He has gt a pain in his head.
/He has been like this fr tw days.
N, he hasn’t.
Kangkang was ging t leave the West Hill.
He met He met Mrs. Zhu.Mrs. Zhu.
They had a talk. Kangkang asked Mrs. Zhu sme questins.
What questins did Kangkang ask?
1c Read 1a and answer the questins.
1. What caused Mrs. Zhu’s prblems?2. What will Kangkang d?3. D yu have any ther ways t slve Mrs. Zhu’s prblems?
The bad air and t much nise.He will write t the newspaper abut these prblems.
There are many kinds f pllutin arund us,
air pllutin
light pllutin
water pllutin
sil pllutin
nise pllutin
Nise is a srt/kind f pllutin.
There are all srts/kinds f nises.
They make us uncmfrtable and unpleasant.
n. 种类； v. 把……分类
adj. 使人不舒服的
Let’s write dwn the things that can make nises.
Underline the tpic sentence f the passage in 1a.
Give a prper title t this passage.
Read 1a and cmplete the fllwing tasks.
Nise is als a kind f pllutin and is harmful t human’s health.
Nise Pllutin
Hw des nise harm peple’s health?
a. Peple ften ____ ______.b. Peple ften feel ____________ and __________.c. Peple may becme _____ r _____.d. Yur pint: _____________________________.
uncmfrtable
3. Which phrase has the same meaning as “is harmful t”?4. Which sentence shws that many teenagers’ hearing in America is nt gd?5. Why is the hearing f many yung Americans nt gd?
Answer the questins.
“d harm t”.
Many teenagers in America can hear n better than 65-year-ld peple d.
Because they always listen t lud pp music.
1. prduce A. t hurt smene2. deaf B. a type r a kind3. print C. nt be able t hear4. harm D. t grw r make smething5. srt E. t put wrds r pictures nt paper using a machine
1b Read 1a and match the wrds with their meanings.
a. Nt all peple knw nise is als a kind f pllutin. _____ ________ knw(s) nise is a kind f pllutin ____ ______.b. Many teenagers in America can hear n better than 65-year-ld peple d. In America, many teenagers’ hearing is ____ _____ ____ 65-year-ld peple’s.
Change the fllwing sentences int the nes that have the same meanings.
Nt everyne
/sme peple
as well
Because they always listen t lud pp music.
It _____ (be) beautiful in the past. Kangkang _______ (g) there tw years ag.
The flwers and grass ___________ (g).Everything _____________ (change).
Mrs. Zhu ____________ (be) like this since last week. She ______________ (nt see) a dctr yet.
has changed
hasn’t seen
Simple past 强调过去
Present perfect 强调现在
They are caused by pllutin.
Read thrugh Sectins A-C and fill in the blanks with the crrect wrds.
has happened
Simple Past ＆Present Perfect
( ) 1. What is the passage mainly abut? A. Air pllutin. B. Light pllutin. C. Litter. D. All srts f pllutin.( ) 2. ________ destry(s) the sil. A. Chemicals B. Weather C. Nise D. Industry( ) 3. Hw d peple feel after they wrk in strng light fr a lng time? A. Excited. B. Happy. C. Terrible. D. Sad.
Hw well d yu knw Sectins A-C? Nw d the fllwing tasks and check.
Read 1a and chse the best answer.
1a Read the passage and cmplete the table n Page 34.
wrk in a nisy
1. They are bad fr ur health in many ways. They ____________t ur health in different ways.2. Peple may lse their hearing if they wrk in a nisy place fr a lng time. If peple wrk in nisy cnditins fr a lng time they may have ______________.3. Nise pllutin can make peple deaf. Peple may ______ deaf _____________ nise pllutin.
1b Read and understand the first sentence. Then cmplete the secnd ne.
hearing lss
d harm
because f
/ are harmful
There are many __________ f pllutin arund us. They are ______ fr ur health in many ways. Air pllutin causes _____ eyes and __________ prblems. ______ makes ur envirnment dirty. Sil pllutin ________ the sil and _______ unhealthy fd. Nise pllutin makes peple ______ and causes high bld pressure. Light pllutin is bad fr _____ and causes sme kinds f __________. With less pllutin, ur planet will becme _______ and ur health will be better. Let’s be greener peple.
Cmplete the passage accrding t 1a.
kinds/srts
1.Lk, there are several chemical factries puring waste water int the stream. “看， 有几家化工厂正在向河里排放废水。”(1)There be＋sb./sth.＋ding sth. “有某人/某物正在做某事”
Let's review the pints
There are many peple giving (give) hands withut telling their names. “有很多人帮忙不留名。” (改编自2020·贵州遵义)(2)pur sth.int sp. “把某物倒入某地方”The super rich Richard Bransn, Jeff Bezs and Eln Musk are all business space flying machines. “超级富豪理查德·布兰森、杰夫·贝佐斯和埃隆·马斯克都在投入巨资开发商业太空飞行器。” (改编自2021·浙江绍兴)
(3)waste的用法：wasteadj.“废弃的， 无用的”(v.“浪费”)①When lking at a pair f ld chpsticks, mst peple wuld see nthing . “当看到一双旧筷子，大多数人只会把它当作垃圾。” (改编自2021·山西)
②It’s nearly ne third f the in the wrld. “这将近是世界上食物浪费的三分之一。” (改编自2021·湖南岳阳)③There is a new rule t make sure that yu dn’t . “有一条新规定， 确保你不浪费食物。” (改编自2021·四川乐山)④Plastic bags d nt turn int sil as easily as ther . “塑料袋不像其他废料那么容易转化成土壤。”
2.I’m always in a bad md because I can’t bear the envirnment here. “我一直心情不好， 因为我无法容忍这儿的环境。”bear “容忍， 忍受”
后接名词、 代词及动名词作宾语。
can’t bear (ding) sth. “无法容忍(做)某事”
I _________________ s late. “我无法忍受熬夜到这么迟。”I dn’t feel very well. I can’t bear this weather . “我感到不太舒服。我受不了这天气。”
3.Hwever,nt all peple knw nise is als a kind f pllutin and is harmful t human's health.然而,并非所有人都知道噪音亦是一种污染是一个对人体有害的健康。
nt 表示部分否定，译为不是所有的都。nt 与bth, all,every以及every 的派生词连用时表示部分否定。 everybby likes watching TV.并非每个人都喜欢看电视的。
neither ,nne ,nthing,nbdy,n ne等表示全部否定。 f the students like running.两个学生都不喜欢跑步。I think nthing is difficult fr me .我觉得对我来说没什么难的。
【辨析】pllute和pllutin
Fr example, because f verfishing and water _______ ， the river’s Chinese paddlefish(中国白鲟) has died ut there. (改编自2021·湖北荆州)Sme rubbish will pllute the grundwater. (改编自2021·四川德阳)
4.Recently, it is reprted that many teenagers in America can hear n better than 65－year－ld peple d. “据报道， 近年来美国很多青少年的听力几乎与65岁的老人一样差。”(1)It is reprted that＋句子 “据报道”类似句型： It is said that＋句子 “据说” n better than 意为同 （几乎）一样；和 （几乎）一样坏。
It is said that fans were first used t cl the air during the Shang Dynasty. “据说，扇子最早是在商朝时用来冷却空气的。” (2020·四川凉山)(2)n better than …＝as weak/bad(ly) as … “几乎和……一样差/坏”The train’s average speed was n better than that f ur bicycles. “这趟火车的平均速度比我们骑自行车的速度快不了多少。”
Nt better than与n better than的区别：1.“nt +比较级+than ” “不比…好（或坏）”，即两者在某方面不相上下。eg：Jhn is nt better than Tm. 约翰并不比汤姆好。He is nt healthier than his friend. 他并不比他的朋友更健康。 2.“n+比较级+than ”结构表示该形容词或副词的相反含义，意思是“与…一样不…”如：n better than意义上相当于as bad as,
eg：In thse days, the laburing peple lived n better than beasts f burden.在那些日子里，劳动人民过着牛马般(牛马不如)的生活。
5.Many cuntries are trying t slve all srts f envirnmental prblems, including nise pllutin. “很多国家都在尽力解决各种环境问题，包括噪声污染。”(1)try t d sth. “尽力做某事”； try ding sth. “尝试做某事” (2)including prep. “包括，包含”；include v. “包含”Wlng is a large nature reserve, which includes several panda bases fr breeding and research. “卧龙是一个大型自然保护区， 包括几个大熊猫繁殖和研究基地。” (改编自2021·四川成都)
6.It nt nly disturbs thers but als des great harm t peple’s hearing. 。”
Smking des harm t yur health.＝ Smking is harmful t yur health. 。”Yur mean rumrs have spread and harmed the gd reputatin f yur neighbr. “2021·四川乐山)
7.T much nise can cause high bld pressure as well. “太多的噪声还可能引发高血压。”(1)t much意为 “太多的”， 其后加不可数名词。如： t much water “太多水”much t意为“太，非常”，后加形容词或副词。如： much t cld “太冷”
t many + 可数名词复数e.g. There are t many peple in the supermarket. I dn’t want t g there any mre.
：1).much + 不可数名词e.g. I am busy. I have t much wrk t d.
2).much t + adj./ adv.It’s much t cld tday. Many peple stay at hme instead f ging ut.
(2)as well是副词短语，意为“也”，相当于t,一般放在句末，有n词ad或but 搭配。D sme leg exercises every week as well, because this makes yu strnger and helps yu run better. “每周也做一些腿部运动，因为这会让你强壮，帮助你跑得更好。” (2021·四川乐山)
8. T much nise can cause high bld pressure as well.噪声太大也可能导致高血压。 high bld pressure 高血压
as well 也, 还e.g. We’re ging t the party tnight. Why dn’t yu cme alng as well?
拓展：als，t，as well与either 的区别als，as well，t，用于肯定句，als常用于be动词，情态动词，助动词之后，行为动词之前；as well，t用于句末；either用于否定句中，置于句末。
9.It’s difficult fr me t breathe. 我呼吸很困难。
拓展：breathe v. 呼吸 e.g. He culd hardly breathe because f the lung cancer.breath n . 呼吸 eeee.ge. She tk a lng slw breath t calm dwn.
It’s + adj. + fr sb. t d It’s imprtant fr us t learn English well. It’s easy fr him t slve this prblem.
smebdy, smene, smething, smewhere anybdy, anyne, anything, anywhere nne, nbdy, nthing, nwhere everybdy, everyne, everything, everywhere
一般情况下用于否定句和疑问句
1).I have ____ t tell yu.A. imprtant smethingB. smething imprtant
解析：形容词修饰不定代词和不定副词时，要放在不定代词/不定副词之后
2).Everybdy ___ ready fr the match.A. is B. are C be
解析：不定代词作主语时，谓语动词要用单数。
11.A:---Hw lng have yu been like this?B:----I've been like this since last week.扩展：hw lng意为多久，多长时间，用来询问或谈论某段时间，答语通常用fr,since等引导的时间状语，谓语动词必须为延续性动词。如：——Hw lng have yu learned English?------I have learned English fr three years.
12 .Peple wh wrk and live in nisy cnditins ften g deaf.
在嘈杂的环境中工作和生活的人容易变聋。
e.g. Beethven was deaf.
e.g. He _____ _____ because f the traffic accident.
went deaf
13…many f the wrkers wh print newspapers and bks lse their hearing.
很多印刷报纸和书籍的工人丧失听力。
e.g. Lk! The man is printing smething.
lse ne’s hearing 丧失听力
14. Burning gas, il, cal creates air pllutin.燃烧气体、石油和煤都会造成空气污染。 拓展： create v. 造成，创造 creative adj. 创造性的 creatin n. 创造；创造物
In the fields, farmers use t many chemicals which destry the sil. 在地里，农民使用了太多对土壤起破坏作用的化肥和农药。
15. With the increase in ppulatin and the develpment f industry, litter is everywhere. 随着人口的增加和工业的发展，垃圾到处都是。
拓展：With less pllutin, ur planet will becme greener and ur health will be better. 随着污染的减少，我们的地球将变得更加环 保，我们也会更健康。
16.What has been dne t slve these prblems? 为解决这些问题做了哪些工作？has been dne 是现在完成时的被动语态。
语法一：一般过去时与现在完成时的辨析【要点】 一般过去时表示过去某时发生的动作或单纯叙述过去的事情,强调过去的动作与现在没有联系,只是说明某个动作发生的时间是在过去;现在完成时为过去发生的,强调过去的事情对现在的影响。一般过去时的谓语动词用过去式,而现在完成时的谓语基本构成是“have/has+动词的过去分词”。如:I have visited a museum.(说明现在对博物馆有所了解)I visited a museum last week.(只说明上周参观博物馆这个动作)
Let's g ver the grammar
【 1】一般过去时通常与表示过去的时间状语如yesterday,last week,ag,just nw,in 2009 等连用;而现在完成时则常与just,already,ever,never 等副词或since,fr等表示一段时间的状语连用。如: He has lived in Beijing fr 10 years.He lived in Beijing fr 10 years.【 2】现在完成时表示的动作或状态延续到现在并可能延续下去,而一般过去时则单纯表示过去某段时间内的经历。如:I have reviewed tw lessns this mrning.I reviewed tw lessns this mrning.
语法二：五种时态的被动语态及带有情态动词的被动语态。(1) 一般现在时被动语态的构成：助动词be + 动词的过去分词English is spken in many cuntries.(2) 一般过去时被动语态的构成：助动词was/were + 动词的过去分词Was this nvel written by his father?(3) 一般将来时被动语态的构成：will/be ging t d + be + 动词的过去分词The baby will be taken gd care f in the hspital.
(4) 现在完成时被动语态的构成：助动词have/has + been + 动词的过去分词Has his wrk been finished?(5) 现在进行时被动语态的构成：be + being + 动词的过去分词The prblem is being discussed by the students.(6)带有情态动词的被动语态的 构成：情态动词 + be + 动词的过去分词Yur cmpsitin must be handed in tmrrw.
1.（2022·湖北武汉·中考真题）—Cngratulatins! Yu ________ big prgress in the last three years. —Thank yu, Mr. Li. I’ll never frget the gd times in Junir High.A．makeB．madeC．have madeD．will make【答案】C【解析】句意：——祝贺你！你在过去的三年里取得了很大的进步。——谢谢你，李先生。我永远不会忘记初中的美好时光。考查动词时态。根据时间状语“in the last three years”可知，本句时态是现在完成时(have/has dne)。故选C。
Let's practice
2.（2022·湖南怀化·中考真题）We _______ each ther since I came t Changsha, but we ften send emails.A．haven’t seenB．didn’t seeC．dn’t see【答案】A【解析】句意：自从我来到长沙我们就没见过面，但我们经常发邮件。考查现在完成时。根据“since I came t Changsha”可知，句子时态为现在完成时，其构成为：have/has+动词的过去分词，故选A。
3.（2022·江苏扬州·中考真题）—May I speak t Wang Li?—Srry, she is nt at hme. She ________ since last mnth.A．leftB．has leftC．has been awayD．went away【答案】C【解析】句意：——我可以和王丽说话吗？——对不起，她不在家。从上个月开始，她就离开了。考查时态。根据“since last mnth”可知句子应使用现在完成时have/has dne，排除AD；且此处应用延续性动词，而left“离开”是非延续动词，排除B。故选C。
4．（2022·四川达州·中考真题）— Bruce ________ s much in the past tw years. — Yeah, he ________ be shy, but nw he is cnfident and active.A．has changed; used tB．changed; is used tC．changed; used tD．has changed; is used t【答案】A【解析】句意：——布鲁斯在过去的两年中变化很大。——是的，他以前很害羞，但现在他很自信和积极。 考查时态。第一处根据“in the past tw years”可知，用现在完成时，排除BC；第二处根据“but nw he is cnfident and active”可知，强调与现在的对比，用used t be结构，是一般过去时。be used t d sth“被用来做某事”，不符合语境。故选A。
5．（2022·四川遂宁·中考真题）—Yu dance s well, Alice.—Thanks. I ________ Chinese dance since I was 5 years ld.A．learnB．learntC．am learningD．have learnt【答案】D【解析】句意：——Alice，你跳舞跳得真好。——谢谢。我从5岁开始学习中国舞。考查时态。根据“since I was 5 years ld”可知句子使用现在完成时have/has dne。故选D。
6．（2022·河北·中考真题）Srry, I ________ a mistake. Let me crrect it.A．will makeB．am makingC．was makingD．have made【答案】D【解析】句意：对不起，我弄错了。我来纠正一下。考查现在完成时。根据“Srry, mistake. Let me crrect it.”可知，因为已经犯了错误，所以现在要去纠正，故选D。
7．（2022·湖北十堰·中考真题）Since he was a little by, he ________ in lve with music.A．isB．wasC．has beenD．had been【答案】C【解析】句意：他从小就爱上了音乐。 考查现在完成时。根据“Since he was a little by, lve with music.”可知，此处是“since+一般过去时，现在完成时”结构，故选C。
8.（2020年湖北省宜昌）—Hw abut the third seasn f dcumentary Aerial China（航拍中国）?—Great. I____________ it twice.A. watchedB. watchC. will watchD. have watched【答案】D【解析】句意：——纪录片《航拍中国》第三季怎么样？——太好了。我已经看了两遍了。watched观看，过去式；watch观看，动词原形；will watch观看，一般将来时；have watched观看，现在完成时；根据句意理解及空格后的twice可知，这里表达的是“已经看过两遍了”，所以应用现在完成时，故选D。考查时态。
看图写话。 1. pur, waste The factry is puring waste water int the river. 2. pain He felt a pain in his chest./The by has (gt) a pain in his chest.
情景交际。1. 你想邀请朋友这周末和你一起去放风筝, 可以这样说: Hw abut flying kites/a kite with me this weekend ? 2. 你去看病, 医生想知道你这样多久了, 他会这样问: Hw lng have yu been like this ? 3. 弟弟经常听大声的音乐, 你可以这样劝他:Dn’t listen t lud music .
4. 你最近心情不好, 可以这样向朋友倾诉: I’m in a bad md these days. 5. 你想告诉朋友这条河以前很干净, 可以这样说: The river used t be very clean./The river was very clean in the past. .
Ⅰ.用pllute,pllutin 的适当形式填空。1.The men were clearing all the ff the beach. 2.The river has been by waste prducts frm the factry. 【答案】 1.pllutin 2.plluted【解析】 pllute动词,意为“污染,弄脏”;pllutin 名词,意为“污染,污染物”。
Ⅱ.用pain,ache 的适当形式填空。1.I have all ver. 2.I have a(n) in my leg. 【答案】 1.pains 2.ache/pain【解析】 pain “疼,痛苦”,常指身体或精神的痛苦;ache “痛”,指(人)身体的疼痛,往往用于持续的疼痛,或因一些小病引起的感觉,常是局部的;ache也可和表示痛的部位名词组合形成新词,如headache,stmachache,而pain不行。
Ⅲ.用bear的适当形式填空。1.All the can be dangerus. 2.Her mther fur children. 3.I can the ld man. 4his daughter in 2004【答案】 1.bears 2.bre 3.bear 4was brn【解析】 bear 作名词,意为“熊”; bear 作动词,意为“承受,忍受”,与stand 同义,be brn 出生。
Ⅳ.用 harm,hurt,wund 的适当形式填空。1.My feelings were when he didn’t ask me t the party. 2.Did the strm d any t the crps? 3.He had a knife in the arm. 【答案】 1.hurt 2.harm 3.wund【解析】 harm指对人或事物造成危害,这种危害不一定是直接的,也不一定有痛楚;harm用于肉体或精神上的伤害均可,有时可指引起不安或不便,还可用于抽象事物,尤其是指不道德的事情。hurt常指精神上、肉体上或感情上的伤害,含有强烈的疼痛。wund通常指外界暴力造成创伤,多指刀枪伤害。
如何保护环境已经成为世界上最大的难题之一。请根据提示词，围绕地球上的各种污染造成的影响，并提出保护环境的倡议，写一篇80词左右的短文。提示词： prblem，kinds f pllutin， such as, harm, pur, prtect
Let's write a cmpsitin
Hw t prtect ur envirnment has becme ne f the biggestprblems.
There are miny kinds f pllutin arund us.
再分析污染对我们环境和健康都有害。
Such as, rubbish, air pllutin and water pllutin.
接着罗列几种具体的污染。
They d great harm t ur envirnment and ur health.
先写出第二段的中心句。
1. Pllutin has caused t many prblems.
词性变化1．chemistry (n.)— chemical (adj.)2．pllute (v.)— pllutin (n.)3．breathe (v.)— breath (n.)4．prduce (v.)— prductin / prduct (n.)
Let’s review wds
5．harm (n.)— (adj.)6．lse (v.)— (n.)— (adj.)7．envirnment (n.)— (adj.)8．including (prep.)— (v.)9．pressure (n.)— (v.)
envirnmental
根据提示填上适当的单词完成句子。 1. Have yu seen him __________(最近) ? 2. She was brn ________ (耳聋的) . 3. The gvernment plans t _________(创造) mre jbs fr yung peple. 4. Yu are w_______ yur time trying t explain it t him. 5. What a s______ they culdn’t cme.
Ｂ）．翻译下列词组.对…有害砍树更糟糕的是对…不好hearing lsshigh bld pressuren better thanpur…int…
be harmful t / d harm tcut dwn treeswhat’s wrsebe bad fr失聪；丧失听力 高血压和…一样坏把…倒入…
Let’s review phrases
９.have gt a pain in… ___________________10.thrw arund ___________________11nt all peple ___________________12.g deaf ___________________13.丧失听力 ___________________14.和……（几乎）一样坏 ___________________15.disturb thers ___________________16.各种各样样的
= have hearing lss
lse ne’s hearing
n better than
all srts/kinds f
. 根据中文提示，将下列句子补充完整。林老师去北京了，他是昨天去北京的。 Mr. Lin____ ____ ____ Beijing. He _____ there yesterday.2. 砍树对环境有害。 ______ ____ trees ____ _____ ___ the envirnment.3. 他像这样有多长时间了？ _____ _____ ____ he ______ like this?4. 有一个男孩正坐在树底下。 _____ ___ a by _______ under the tree.5. 更糟糕的是，房间和食物都很差。 _____ ________ , the rm and the fd were awful.
has gne t went
Cutting dwn des harm t
Hw lng has been
There is sitting
What’s wrse
is harmful t
你可以看见蜜蜂和蝴蝶正在飞舞。 Yu culd see bees and butterflies dancing. 2. 花儿和草都消失了！ The flwers and grass have gne.3. 看, 有几家化工厂正往小溪里倒废水。 Lk, there are several chemical factries puring waste water int the stream.4. 我难以呼吸。 It’s difficult fr me t breathe.5. 更糟糕的是，这家工厂制造太多的噪音，我晚上难以入睡。What’s wrse, the factry makes t much nise and I can’t sleep well at night.
Let’s review sentences
6. 自从上周开始我就已经这样了。 I have been like this since last week.7. 污染已经导致太多的问题。 Pllutin has caused t many prblems.8. 噪音对人类健康有害。 Nise is harmful t human’s health.9. 经常工作或生活在嘈杂环境中的人们经常会变聋。 Peple wh wrk and live in nisy cnditins ften g deaf.10. 许多美国青少年的听力不如65岁的人。 Many teenagers in America can hear n better than 65-year-ld peple d.
A: Where have yu been/traveled?
B: I have been/traveled t ...
Let's g t class
Have yu ever had a picnic?
Kangkang, Jane, Maria and Michael are planning a picnic fr Sunday.They will g t the West Hill.
What can yu see there?
We can see bees and butterflies dancing.
Is the West Hill beautiful?
a place with
beautiful flwers
many hills
green trees
What a shame/mess! The flwers and grass have gne!
The flwers and grass have gne!
Oh, my gdness. What a mess!
Lk! There are several chemical factries puring waste water int the stream.
= have disappeared.
Is it beautiful nw?What has happened there?
There are several chemical factries puring waste water int the stream.有几家化工厂正在往小溪里排放废水。
There be…ding sth… ……有……在做某事
e.g. There are sme peple waiting fr the bus at the bus stp.
1c Read 1a and cmplete the sentences in the table. Then retell 1a t yur partner.
beautiful place
lts f flwers and grass
fresh and the water was clean
bees and butterflies dancing
The flwers and grass
chemical factries
waste water
2 Wrk in pairs. Lk at the pictures and make up cnversatins similar t the example with yur partner.
Example:A: There were lts f flwers and grass when I visited the village last year.B: But nw the flwers and grass have gne.A: What has happened here?B: The villagers have destryed them.
lake/fishfactry/pllute
hill/ treesfarmers/cut dwn
village/flwers and grassvillagers/destry
4 Wrk in grups and talk abut pllutin in a place yu are familiar with. The fllwing sentences may help yu.…ag, it was… Nw, … have/ has gne. What has happened? Everything has changed. Oh, my gdness!
Read 1a,sectinB.Answer the questins.1. Des Bruce lk well?2. What’s wrng with him?3. Hw lng has he been like this?4. Has he seen a dctr?
N, he desn’t.
He lks weak.
He has a headache and a cugh.
= He has gt a pain in his head.
/He has been like this fr tw days.
N, he hasn’t.
Kangkang was ging t leave the West Hill.
He met He met Mrs. Zhu.Mrs. Zhu.
They had a talk. Kangkang asked Mrs. Zhu sme questins.
What questins did Kangkang ask?
1c Read 1a and answer the questins.
1. What caused Mrs. Zhu’s prblems?2. What will Kangkang d?3. D yu have any ther ways t slve Mrs. Zhu’s prblems?
The bad air and t much nise.He will write t the newspaper abut these prblems.
There are many kinds f pllutin arund us,
air pllutin
light pllutin
water pllutin
sil pllutin
nise pllutin
Nise is a srt/kind f pllutin.
There are all srts/kinds f nises.
They make us uncmfrtable and unpleasant.
n. 种类； v. 把……分类
adj. 使人不舒服的
Let’s write dwn the things that can make nises.
Underline the tpic sentence f the passage in 1a.
Give a prper title t this passage.
Read 1a and cmplete the fllwing tasks.
Nise is als a kind f pllutin and is harmful t human’s health.
Nise Pllutin
Hw des nise harm peple’s health?
a. Peple ften ____ ______.b. Peple ften feel ____________ and __________.c. Peple may becme _____ r _____.d. Yur pint: _____________________________.
uncmfrtable
3. Which phrase has the same meaning as “is harmful t”?4. Which sentence shws that many teenagers’ hearing in America is nt gd?5. Why is the hearing f many yung Americans nt gd?
Answer the questins.
“d harm t”.
Many teenagers in America can hear n better than 65-year-ld peple d.
Because they always listen t lud pp music.
1. prduce A. t hurt smene2. deaf B. a type r a kind3. print C. nt be able t hear4. harm D. t grw r make smething5. srt E. t put wrds r pictures nt paper using a machine
1b Read 1a and match the wrds with their meanings.
a. Nt all peple knw nise is als a kind f pllutin. _____ ________ knw(s) nise is a kind f pllutin ____ ______.b. Many teenagers in America can hear n better than 65-year-ld peple d. In America, many teenagers’ hearing is ____ _____ ____ 65-year-ld peple’s.
Change the fllwing sentences int the nes that have the same meanings.
Nt everyne
/sme peple
as well
Because they always listen t lud pp music.
It _____ (be) beautiful in the past. Kangkang _______ (g) there tw years ag.
The flwers and grass ___________ (g).Everything _____________ (change).
Mrs. Zhu ____________ (be) like this since last week. She ______________ (nt see) a dctr yet.
has changed
hasn’t seen
Simple past 强调过去
Present perfect 强调现在
They are caused by pllutin.
Read thrugh Sectins A-C and fill in the blanks with the crrect wrds.
has happened
Simple Past ＆Present Perfect
( ) 1. What is the passage mainly abut? A. Air pllutin. B. Light pllutin. C. Litter. D. All srts f pllutin.( ) 2. ________ destry(s) the sil. A. Chemicals B. Weather C. Nise D. Industry( ) 3. Hw d peple feel after they wrk in strng light fr a lng time? A. Excited. B. Happy. C. Terrible. D. Sad.
Hw well d yu knw Sectins A-C? Nw d the fllwing tasks and check.
Read 1a and chse the best answer.
1a Read the passage and cmplete the table n Page 34.
wrk in a nisy
1. They are bad fr ur health in many ways. They ____________t ur health in different ways.2. Peple may lse their hearing if they wrk in a nisy place fr a lng time. If peple wrk in nisy cnditins fr a lng time they may have ______________.3. Nise pllutin can make peple deaf. Peple may ______ deaf _____________ nise pllutin.
1b Read and understand the first sentence. Then cmplete the secnd ne.
hearing lss
d harm
because f
/ are harmful
There are many __________ f pllutin arund us. They are ______ fr ur health in many ways. Air pllutin causes _____ eyes and __________ prblems. ______ makes ur envirnment dirty. Sil pllutin ________ the sil and _______ unhealthy fd. Nise pllutin makes peple ______ and causes high bld pressure. Light pllutin is bad fr _____ and causes sme kinds f __________. With less pllutin, ur planet will becme _______ and ur health will be better. Let’s be greener peple.
Cmplete the passage accrding t 1a.
kinds/srts
1.Lk, there are several chemical factries puring waste water int the stream. “看， 有几家化工厂正在向河里排放废水。”(1)There be＋sb./sth.＋ding sth. “有某人/某物正在做某事”
Let's review the pints
There are many peple giving (give) hands withut telling their names. “有很多人帮忙不留名。” (改编自2020·贵州遵义)(2)pur sth.int sp. “把某物倒入某地方”The super rich Richard Bransn, Jeff Bezs and Eln Musk are all business space flying machines. “超级富豪理查德·布兰森、杰夫·贝佐斯和埃隆·马斯克都在投入巨资开发商业太空飞行器。” (改编自2021·浙江绍兴)
(3)waste的用法：wasteadj.“废弃的， 无用的”(v.“浪费”)①When lking at a pair f ld chpsticks, mst peple wuld see nthing . “当看到一双旧筷子，大多数人只会把它当作垃圾。” (改编自2021·山西)
②It’s nearly ne third f the in the wrld. “这将近是世界上食物浪费的三分之一。” (改编自2021·湖南岳阳)③There is a new rule t make sure that yu dn’t . “有一条新规定， 确保你不浪费食物。” (改编自2021·四川乐山)④Plastic bags d nt turn int sil as easily as ther . “塑料袋不像其他废料那么容易转化成土壤。”
2.I’m always in a bad md because I can’t bear the envirnment here. “我一直心情不好， 因为我无法容忍这儿的环境。”bear “容忍， 忍受”
后接名词、 代词及动名词作宾语。
can’t bear (ding) sth. “无法容忍(做)某事”
I _________________ s late. “我无法忍受熬夜到这么迟。”I dn’t feel very well. I can’t bear this weather . “我感到不太舒服。我受不了这天气。”
3.Hwever,nt all peple knw nise is als a kind f pllutin and is harmful t human's health.然而,并非所有人都知道噪音亦是一种污染是一个对人体有害的健康。
nt 表示部分否定，译为不是所有的都。nt 与bth, all,every以及every 的派生词连用时表示部分否定。 everybby likes watching TV.并非每个人都喜欢看电视的。
neither ,nne ,nthing,nbdy,n ne等表示全部否定。 f the students like running.两个学生都不喜欢跑步。I think nthing is difficult fr me .我觉得对我来说没什么难的。
【辨析】pllute和pllutin
Fr example, because f verfishing and water _______ ， the river’s Chinese paddlefish(中国白鲟) has died ut there. (改编自2021·湖北荆州)Sme rubbish will pllute the grundwater. (改编自2021·四川德阳)
4.Recently, it is reprted that many teenagers in America can hear n better than 65－year－ld peple d. “据报道， 近年来美国很多青少年的听力几乎与65岁的老人一样差。”(1)It is reprted that＋句子 “据报道”类似句型： It is said that＋句子 “据说” n better than 意为同 （几乎）一样；和 （几乎）一样坏。
It is said that fans were first used t cl the air during the Shang Dynasty. “据说，扇子最早是在商朝时用来冷却空气的。” (2020·四川凉山)(2)n better than …＝as weak/bad(ly) as … “几乎和……一样差/坏”The train’s average speed was n better than that f ur bicycles. “这趟火车的平均速度比我们骑自行车的速度快不了多少。”
Nt better than与n better than的区别：1.“nt +比较级+than ” “不比…好（或坏）”，即两者在某方面不相上下。eg：Jhn is nt better than Tm. 约翰并不比汤姆好。He is nt healthier than his friend. 他并不比他的朋友更健康。 2.“n+比较级+than ”结构表示该形容词或副词的相反含义，意思是“与…一样不…”如：n better than意义上相当于as bad as,
eg：In thse days, the laburing peple lived n better than beasts f burden.在那些日子里，劳动人民过着牛马般(牛马不如)的生活。
5.Many cuntries are trying t slve all srts f envirnmental prblems, including nise pllutin. “很多国家都在尽力解决各种环境问题，包括噪声污染。”(1)try t d sth. “尽力做某事”； try ding sth. “尝试做某事” (2)including prep. “包括，包含”；include v. “包含”Wlng is a large nature reserve, which includes several panda bases fr breeding and research. “卧龙是一个大型自然保护区， 包括几个大熊猫繁殖和研究基地。” (改编自2021·四川成都)
6.It nt nly disturbs thers but als des great harm t peple’s hearing. 。”
Smking des harm t yur health.＝ Smking is harmful t yur health. 。”Yur mean rumrs have spread and harmed the gd reputatin f yur neighbr. “2021·四川乐山)
7.T much nise can cause high bld pressure as well. “太多的噪声还可能引发高血压。”(1)t much意为 “太多的”， 其后加不可数名词。如： t much water “太多水”much t意为“太，非常”，后加形容词或副词。如： much t cld “太冷”
t many + 可数名词复数e.g. There are t many peple in the supermarket. I dn’t want t g there any mre.
：1).much + 不可数名词e.g. I am busy. I have t much wrk t d.
2).much t + adj./ adv.It’s much t cld tday. Many peple stay at hme instead f ging ut.
(2)as well是副词短语，意为“也”，相当于t,一般放在句末，有n词ad或but 搭配。D sme leg exercises every week as well, because this makes yu strnger and helps yu run better. “每周也做一些腿部运动，因为这会让你强壮，帮助你跑得更好。” (2021·四川乐山)
8. T much nise can cause high bld pressure as well.噪声太大也可能导致高血压。 high bld pressure 高血压
as well 也, 还e.g. We’re ging t the party tnight. Why dn’t yu cme alng as well?
拓展：als，t，as well与either 的区别als，as well，t，用于肯定句，als常用于be动词，情态动词，助动词之后，行为动词之前；as well，t用于句末；either用于否定句中，置于句末。
9.It’s difficult fr me t breathe. 我呼吸很困难。
拓展：breathe v. 呼吸 e.g. He culd hardly breathe because f the lung cancer.breath n . 呼吸 eeee.ge. She tk a lng slw breath t calm dwn.
It’s + adj. + fr sb. t d It’s imprtant fr us t learn English well. It’s easy fr him t slve this prblem.
smebdy, smene, smething, smewhere anybdy, anyne, anything, anywhere nne, nbdy, nthing, nwhere everybdy, everyne, everything, everywhere
一般情况下用于否定句和疑问句
1).I have ____ t tell yu.A. imprtant smethingB. smething imprtant
解析：形容词修饰不定代词和不定副词时，要放在不定代词/不定副词之后
2).Everybdy ___ ready fr the match.A. is B. are C be
解析：不定代词作主语时，谓语动词要用单数。
11.A:---Hw lng have yu been like this?B:----I've been like this since last week.扩展：hw lng意为多久，多长时间，用来询问或谈论某段时间，答语通常用fr,since等引导的时间状语，谓语动词必须为延续性动词。如：——Hw lng have yu learned English?------I have learned English fr three years.
12 .Peple wh wrk and live in nisy cnditins ften g deaf.
在嘈杂的环境中工作和生活的人容易变聋。
e.g. Beethven was deaf.
e.g. He _____ _____ because f the traffic accident.
went deaf
13…many f the wrkers wh print newspapers and bks lse their hearing.
很多印刷报纸和书籍的工人丧失听力。
e.g. Lk! The man is printing smething.
lse ne’s hearing 丧失听力
14. Burning gas, il, cal creates air pllutin.燃烧气体、石油和煤都会造成空气污染。 拓展： create v. 造成，创造 creative adj. 创造性的 creatin n. 创造；创造物
In the fields, farmers use t many chemicals which destry the sil. 在地里，农民使用了太多对土壤起破坏作用的化肥和农药。
15. With the increase in ppulatin and the develpment f industry, litter is everywhere. 随着人口的增加和工业的发展，垃圾到处都是。
拓展：With less pllutin, ur planet will becme greener and ur health will be better. 随着污染的减少，我们的地球将变得更加环 保，我们也会更健康。
16.What has been dne t slve these prblems? 为解决这些问题做了哪些工作？has been dne 是现在完成时的被动语态。
语法一：一般过去时与现在完成时的辨析【要点】 一般过去时表示过去某时发生的动作或单纯叙述过去的事情,强调过去的动作与现在没有联系,只是说明某个动作发生的时间是在过去;现在完成时为过去发生的,强调过去的事情对现在的影响。一般过去时的谓语动词用过去式,而现在完成时的谓语基本构成是“have/has+动词的过去分词”。如:I have visited a museum.(说明现在对博物馆有所了解)I visited a museum last week.(只说明上周参观博物馆这个动作)
Let's g ver the grammar
【 1】一般过去时通常与表示过去的时间状语如yesterday,last week,ag,just nw,in 2009 等连用;而现在完成时则常与just,already,ever,never 等副词或since,fr等表示一段时间的状语连用。如: He has lived in Beijing fr 10 years.He lived in Beijing fr 10 years.【 2】现在完成时表示的动作或状态延续到现在并可能延续下去,而一般过去时则单纯表示过去某段时间内的经历。如:I have reviewed tw lessns this mrning.I reviewed tw lessns this mrning.
语法二：五种时态的被动语态及带有情态动词的被动语态。(1) 一般现在时被动语态的构成：助动词be + 动词的过去分词English is spken in many cuntries.(2) 一般过去时被动语态的构成：助动词was/were + 动词的过去分词Was this nvel written by his father?(3) 一般将来时被动语态的构成：will/be ging t d + be + 动词的过去分词The baby will be taken gd care f in the hspital.
(4) 现在完成时被动语态的构成：助动词have/has + been + 动词的过去分词Has his wrk been finished?(5) 现在进行时被动语态的构成：be + being + 动词的过去分词The prblem is being discussed by the students.(6)带有情态动词的被动语态的 构成：情态动词 + be + 动词的过去分词Yur cmpsitin must be handed in tmrrw.
1.（2022·湖北武汉·中考真题）—Cngratulatins! Yu ________ big prgress in the last three years. —Thank yu, Mr. Li. I’ll never frget the gd times in Junir High.A．makeB．madeC．have madeD．will make【答案】C【解析】句意：——祝贺你！你在过去的三年里取得了很大的进步。——谢谢你，李先生。我永远不会忘记初中的美好时光。考查动词时态。根据时间状语“in the last three years”可知，本句时态是现在完成时(have/has dne)。故选C。
Let's practice
2.（2022·湖南怀化·中考真题）We _______ each ther since I came t Changsha, but we ften send emails.A．haven’t seenB．didn’t seeC．dn’t see【答案】A【解析】句意：自从我来到长沙我们就没见过面，但我们经常发邮件。考查现在完成时。根据“since I came t Changsha”可知，句子时态为现在完成时，其构成为：have/has+动词的过去分词，故选A。
3.（2022·江苏扬州·中考真题）—May I speak t Wang Li?—Srry, she is nt at hme. She ________ since last mnth.A．leftB．has leftC．has been awayD．went away【答案】C【解析】句意：——我可以和王丽说话吗？——对不起，她不在家。从上个月开始，她就离开了。考查时态。根据“since last mnth”可知句子应使用现在完成时have/has dne，排除AD；且此处应用延续性动词，而left“离开”是非延续动词，排除B。故选C。
4．（2022·四川达州·中考真题）— Bruce ________ s much in the past tw years. — Yeah, he ________ be shy, but nw he is cnfident and active.A．has changed; used tB．changed; is used tC．changed; used tD．has changed; is used t【答案】A【解析】句意：——布鲁斯在过去的两年中变化很大。——是的，他以前很害羞，但现在他很自信和积极。 考查时态。第一处根据“in the past tw years”可知，用现在完成时，排除BC；第二处根据“but nw he is cnfident and active”可知，强调与现在的对比，用used t be结构，是一般过去时。be used t d sth“被用来做某事”，不符合语境。故选A。
5．（2022·四川遂宁·中考真题）—Yu dance s well, Alice.—Thanks. I ________ Chinese dance since I was 5 years ld.A．learnB．learntC．am learningD．have learnt【答案】D【解析】句意：——Alice，你跳舞跳得真好。——谢谢。我从5岁开始学习中国舞。考查时态。根据“since I was 5 years ld”可知句子使用现在完成时have/has dne。故选D。
6．（2022·河北·中考真题）Srry, I ________ a mistake. Let me crrect it.A．will makeB．am makingC．was makingD．have made【答案】D【解析】句意：对不起，我弄错了。我来纠正一下。考查现在完成时。根据“Srry, mistake. Let me crrect it.”可知，因为已经犯了错误，所以现在要去纠正，故选D。
7．（2022·湖北十堰·中考真题）Since he was a little by, he ________ in lve with music.A．isB．wasC．has beenD．had been【答案】C【解析】句意：他从小就爱上了音乐。 考查现在完成时。根据“Since he was a little by, lve with music.”可知，此处是“since+一般过去时，现在完成时”结构，故选C。
8.（2020年湖北省宜昌）—Hw abut the third seasn f dcumentary Aerial China（航拍中国）?—Great. I____________ it twice.A. watchedB. watchC. will watchD. have watched【答案】D【解析】句意：——纪录片《航拍中国》第三季怎么样？——太好了。我已经看了两遍了。watched观看，过去式；watch观看，动词原形；will watch观看，一般将来时；have watched观看，现在完成时；根据句意理解及空格后的twice可知，这里表达的是“已经看过两遍了”，所以应用现在完成时，故选D。考查时态。
看图写话。 1. pur, waste The factry is puring waste water int the river. 2. pain He felt a pain in his chest./The by has (gt) a pain in his chest.
情景交际。1. 你想邀请朋友这周末和你一起去放风筝, 可以这样说: Hw abut flying kites/a kite with me this weekend ? 2. 你去看病, 医生想知道你这样多久了, 他会这样问: Hw lng have yu been like this ? 3. 弟弟经常听大声的音乐, 你可以这样劝他:Dn’t listen t lud music .
4. 你最近心情不好, 可以这样向朋友倾诉: I’m in a bad md these days. 5. 你想告诉朋友这条河以前很干净, 可以这样说: The river used t be very clean./The river was very clean in the past. .
Ⅰ.用pllute,pllutin 的适当形式填空。1.The men were clearing all the ff the beach. 2.The river has been by waste prducts frm the factry. 【答案】 1.pllutin 2.plluted【解析】 pllute动词,意为“污染,弄脏”;pllutin 名词,意为“污染,污染物”。
Ⅱ.用pain,ache 的适当形式填空。1.I have all ver. 2.I have a(n) in my leg. 【答案】 1.pains 2.ache/pain【解析】 pain “疼,痛苦”,常指身体或精神的痛苦;ache “痛”,指(人)身体的疼痛,往往用于持续的疼痛,或因一些小病引起的感觉,常是局部的;ache也可和表示痛的部位名词组合形成新词,如headache,stmachache,而pain不行。
Ⅲ.用bear的适当形式填空。1.All the can be dangerus. 2.Her mther fur children. 3.I can the ld man. 4his daughter in 2004【答案】 1.bears 2.bre 3.bear 4was brn【解析】 bear 作名词,意为“熊”; bear 作动词,意为“承受,忍受”,与stand 同义,be brn 出生。
Ⅳ.用 harm,hurt,wund 的适当形式填空。1.My feelings were when he didn’t ask me t the party. 2.Did the strm d any t the crps? 3.He had a knife in the arm. 【答案】 1.hurt 2.harm 3.wund【解析】 harm指对人或事物造成危害,这种危害不一定是直接的,也不一定有痛楚;harm用于肉体或精神上的伤害均可,有时可指引起不安或不便,还可用于抽象事物,尤其是指不道德的事情。hurt常指精神上、肉体上或感情上的伤害,含有强烈的疼痛。wund通常指外界暴力造成创伤,多指刀枪伤害。
如何保护环境已经成为世界上最大的难题之一。请根据提示词，围绕地球上的各种污染造成的影响，并提出保护环境的倡议，写一篇80词左右的短文。提示词： prblem，kinds f pllutin， such as, harm, pur, prtect
Let's write a cmpsitin
Hw t prtect ur envirnment has becme ne f the biggestprblems.
There are miny kinds f pllutin arund us.
再分析污染对我们环境和健康都有害。
Such as, rubbish, air pllutin and water pllutin.
接着罗列几种具体的污染。
They d great harm t ur envirnment and ur health.
先写出第二段的中心句。
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