初中英语仁爱科普版九年级上册Topic 2 All these problems are very serious.教课ppt课件

这是一份初中英语仁爱科普版九年级上册Topic 2 All these problems are very serious.教课ppt课件，共60页。PPT课件主要包含了Review，Grammar，Functions等内容，欢迎下载使用。

2. All these prblems are very serius.
1.________垃圾;废弃物　　2. ________野生的 　　　　　3. ________状况,形势　　　4. ________可能,大概5. 洞,坑
Let’s review wds
6.__________避免7. __________口渴的8. __________(使)出现;(使)形成9. __________几乎,将近10. 虽然,尽管
1._____________ [ˈpʌnɪʃ] v.处罚→ _____________ n.惩罚 2. _____________[raɪz] v.上升;起床→ _____________ (过去式) → _____________ (过去分词) 
3. _____________ [dɪˈskʌvə(r)] v.发现→ _____________ n.发现 　　 4_____________ [lɔː] n.法律→ _____________ n.律师  
根据提示填上适当的单词完成句子。 1. Human beings shuldn’t kill_____(野生的) animals. 2. If a man breaks the law, he shuld be p________. 3. The dustmen haven’t cllected the r_________ yet. 4. The questin is s difficult that n_______ can answer it. 5. This accident is the ______ (最糟糕的) fr years.
变成到处 拿走避免做某事结果阻止..做某事公开地吹走关爱 最坏的是
change inthere and theretake awayavid ding sth.as a resultstp/keep/prevent…frmin publicblw awaycare frwrst f all
Let’s review phrases
根据中文提示，将下列句子补充完整。 --大家都到了吗？ --没有，小美没来。 --____ _________here? --N, Xia Mei is absent.2. 别在公共场合随地吐痰。 Dn’t spit _____ _____ ______ ____ ______.3. 医生们竭尽全力救治那个男孩。 The dctrs d ________ they can ___ ____ the by.4. 没什么能阻止他停下工作。 _________ can _______him _____ wrking.5. 我尽量避免遇到他，因为他总是让我觉得很烦。 I tried t _______ __________ him because he always bred me.
Is everyne
everything t save
Nthing stp frm
avid meeting
here and there in public
Let’s review sentences
没有人喜欢污染。 Nne f us likes pllutin.2. 不要在公众场合到处吐痰。 Dn’t spit anywhere in public.3. 人人都应该关心野生动物并多种树。 Everyne shuld care fr wild animals and plant mre trees.4. 我们应该做我们所能做的一切来保护环境。 We shuld d everything we can t prtect the envirnment.5. 结果，大量的良田变成了沙漠。 As a result, a lt f rich land has changed int desert.
6. 树可以阻止风把土壤吹走。 Trees can stp the wind frm blwing the earth away.7. 我们不应该到处扔垃圾。 We shuldn’t leave rubbish here and there.8. 所有的问题都很严重，所以我们现在必须要做些什么了。 All these prblems are very serius, s we must d smething nw.
Read and answer the questins
1.What’s the weather like tday ? It’s bad. The wind is s strng . And the sand really hurts causes these sandstrms ? Peple have cut dwn t many trees. As a result, a lt f rich land has changed int desert. 3.D we still need t d smething t prtect the envirnment ? Yes, we d. Althugh we have built “The Green Great Wall”, we still need t d smething t prtect the envirnment .
cnj. 虽然，尽管，即使
Let's g t class
(1)________ f us knws hw t stp the bad behavir.(2) I kncked n the dr but ___________ answered.(3) Sme f these bks are better than__________.(4) She was driving the car with ne hand and wiping the windw with the _______.(5) They are beautiful but I am lking fr ___________ useful.(6) Is there ___________ yu can d t help her?(7) There’re 5 000 peple living here and almst _________has his/her wn car.(8) He’s cleverer than ____________ I knw.(9) I’ve lked __________ but I can’t find it.
Fill in the blanks using smething, anything, thers, nbdy, everyne, anybdy, everywhere, nne, ther.
What can we d t prtect ur envirnment ?
Give a speech
In ur daily life, we shuld face mre envirnmental prblems. Can yu say smething abut them?
cities, pllute, health prblems
factries, the land and the air, dead
In ur daily life, we shuld face mre envirnmental prblems. Can yu say smething abut them?
cut dwn, millins f, take away the earth, becme desert
a special kind f xygen called “zne” (O3)
a very big hle in the zne layer, t much harmful radiatin frm the sun
n.洞，坑
v.出现，形成n.种类，形式
CO2 carbn dixide increase a lt, frm a “blanket”, the heat frm the sun can’t escape
cause the level f the sea t rise called “the greenhuse effect” r “glbal warming”
fewer trees
factry pllutin
traffic pllutin
the zne layer
mre carbn dixide
Can yu match them?
1a Read and understand.Lk at the fllwing pictures and predict the main idea f the passage.
Chse suitable titles fr Paragraphs 2-6. Then write it dwn in frnt f each paragraph.
The earth is 4.6 billin years ld. We humans have lived n the earth fr nly 35 000 years, but during this perid, we have changed ur planet a lt in many ways. Sme things we’ve dne are very gd fr the earth while sme are bad._________ All ver the wrld, peple have cut dwn millins f trees. When it rains r when the wind blws, the earth is taken away. Frests have becme deserts, s many kinds f animals and plants are disappearing.
Fewer Trees
A. Traffic pllutin B. Factry pllutin C. Fewer trees D. The zne hle E. Mre carbn dixide
____________ In big cities, cars and buses have plluted the air. Nw many peple in cities have health prblems.
_____________Factries have als plluted the land and the water. As a result, many rivers and lakes are nw dead._____________ Arund the earth, there’s a special kind f xygen called “zne”(O3). It is imprtant t the earth. But nw air pllutin is destrying it and making a very big hle in the zne layer. T much harmful radiatin frm the sun passes thrugh the hle and reaches the earth directly. This is very dangerus because this kind f radiatin can cause cancer.
Traffic Pllutin
Factry Pllutin
The Ozne Layer
________________ Carbn dixide (CO2) in the air has increased a lt. It mainly cmes frm burning il, cal and wd. This has frmed a blanket arund the earth. The heat frm the sun can’t escape s the temperature is rising. This is called “the greenhuse effect”. It causes the level f the ceans t rise and the climate f the earth t change. All these prblems are very serius, s we must d smething nw.
Mre Carbn Dixide
1b Read 1a and cmplete the fllwing tasks.
2.What des ur planet mean here? A. The sun. B. Mars. C. The mn. D. The earth.
3.In the passage, blanket refers t ____. A. carbn dixide arund the earth B. the zne layer in the sky C. the frests arund the wrld D. pllutin all ver the wrld
4.The wrd it in Paragraph5 refers t ____. A. CO2 B. O3 C. O2 D. H2O
5. What is the best title fr this passage ? Envirnment Prblems B. Pllutin n the Earth C. Hpe fr the Future D. The Greenhuse Effect
Write dwn nly the key wrds when taking ntes.
1c Cmplete the ntes accrding t 1a.
cars and buses pllute air, health prblems
pllute land and water, rivers and lakes dead
harmful radiatin reaches the earth, cause cancer
factry pllutin
2 Surf the Internet t cllect mre infrmatin abut envirnmental prblems and effects. Then discuss the infrmatin in grups and take ntes.
______ a result（结果）, a lt f rich land has changed _________ （变为）desert. Trees can stp the wind frm ______ the earth _____(吹走）.We shuldn’t leave rubbish ___________(到处).All these prblems are very serius,_____(所以) we must d smething nw.
here and there
1.Trees can stp the wind frm blwing the earth away. They can als prevent the water frm washing the earth away. “树木可以防风固土， 也可以防止水土流失。”固定词组： stp/prevent sb./sth.(frm) ding sth.＝keep sb./sth. frm ding sth. “阻止(防止)某人或某物做某事”。
Let's review the pints
The Chinese gvernment has successfully stpped the virus frm spreading in China. “中国政府已经成功地阻止了病毒在中国传播。” (改编自2020·贵州黔东南)2.Althugh we have built “The Green Great Wall”， we still need t d smething t prtect the envirnment. “尽管我们已经建起了‘绿色长城’，但是我们仍需要采取措施保护环境。”
even thugh/even if/thugh/althugh 意为 “虽然”，不能与but连用。Even thugh I was smetimes punished, I think it has made me a better persn. “尽管我有时会受到惩罚， 但我认为这让我成为了一个更好的人。” (2021·浙江杭州)(　C　)—I heard a yung fireman lst his life in the big fire. —What a pity! I dn’t knw wh he is, I knw wh he is fr. He is ur her frever.(2020·湖北黄石) A．But　　　　　　　　B．S　　　　　　　　 C．Althugh　　　　　 D．Because
3.Peple have cut dwn such a large number f trees that the land has changed int desert. “人们砍伐了大量的树， 结果土地变成了沙漠。”
【辨析】the number f, a number f, a lt f和plenty f
(1)Reducing single－use plastic, including plastic bags and plastic bttles, has been an imprtant theme fr Wrld Oceans Day fr a number f years . “减少一次性塑料，包括塑料袋和塑料瓶，多年来一直是世界海洋日的一个重要主题。” (改编自2020·湖南永州)(2)(　　)Hwever, the number f these clrful butterflies drpped in recent years. (改编自2021·湖南湘潭)A．is　　　　B．have　　　　C．has
(3)He hurried utside and saw a lt f/lts f smke frm next dr. “他急忙出去，看见隔壁冒出很多烟。” (改编自2020·湖南永州)(4)This Chinese art gives me plenty f tls s I can use them when I perfrm ther shws in the USA. “这项中国艺术教给了我大量的技巧，我在美国表演其他节目时都可以用到。” (改编自2021·安徽)
4.Nne f us likes pllutin. “没有人喜欢污染。”
【辨析】nne和n ne
(1)He has read nne f these bks . “这些书他一本都没看过。”
(2)It’s time t say gdbye, but nne f us want t leave. “是时候说再见了，但他们没人想离开。” (改编自2021·湖北随州)(3)—Hw many students cme t schl by bike? “有多少学生骑自行车来上学？”— . “一个也没有。”
(4)(　D　)—All the vlunteers were very tired, but f them had a rest.—They were busy helping the firemen. (2020·四川凉山)A．bth　　　B．neither　　　C．all　　　D．nne(5)—Wh is in the classrm? “谁在教室里？” — . “没有人在这。”
5.The heat frm the sun can’t escape s the temperature is rising. “来自太阳的热量不能散发， 所以温度不断升高。
【辨析】rise, raise和lift
(1)By 18 mnths, mst children have learned abut 50 wrds.By tw, the ttal has risen t arund 200. “到了18个月，大多数孩子已经学会了大约50个单词，到两岁时，学会的单词总数已经上升到200个左右。” (改编自2021·浙江杭州)(2)Peter raises his vice and says, “What? Yu mean I’m t ld t wear the shirt again？” “基思提高嗓门儿说：‘什么？你是说我年龄太大了，不能再穿这件衬衫了？’”(改编自2021·湖北宜昌)
(3)China tries t educate peple and gives them the tls they need t lift themselves ut f pverty. “中国努力教育人民， 并为他们提供脱贫所需的工具。” (改编自2021·山东菏泽)(4)Each cuntry r culture raises sme animals fr fd. “每个国家或文化都饲养一些动物作为食物。” (改编自2021·浙江金华)
6.The sea seems t have the best answer. “海洋似乎有最好的答案。”
Jan seemed always silent and didn’t have any friend. 琼似乎总是沉默，没有朋友。” (改编自2021·浙江宁波)
It seems that he knws ur secret. ＝ He seems t knw ur secret. “他似乎知道我们的秘密。”
7.Hw can we avid a serius water shrtage? “我们怎样才能避免严重的水资源短缺呢？”avid的用法：avidavid ding sth. “避免做某事”(avid sth. “避免某事”)

e.g. He avided answering my questins.
The draft law als asks schls t teach their students t . “该草案还要求学校教育学生避免食物浪费。” (改编自2021·云南)(　 　)During ur hlidays, we shuld avid up at night and versleeping in the mrning. (改编自2021·江苏苏州)A．stay　　　B．t stay　　　C．stayed　　　D．staying
8.Pass laws against water pllutin. “通过水污染防治法。”against 是介词，意为“反对；违背；倚靠”。The students will put n a new play abut COVID－19 this Saturday. “这周六学生们将上演一出关于抗击新冠肺炎疫情的新剧。” (改编自2021·山东泰安)
9. Everyne shuld care fr wild animals and plant mre trees .每一个人都应该爱护野生动物，种更多的树。
拓展：care fr=take care f=lk aftereg.Jim has t lk after his brther because his mther is nt at hme.
4.But the gvernment is ding smething useful t prtect the envirnment. 政府正在做一些有益的事情来保护环境。 不定代词+形容词拓展：1）一般现在时中，不定代词做主语，谓语用第三人称单数形式。2） 形容词放在不定代词或副词的后面。
10.While nearly ¾ f the earth is cvered with water , we are still shrt f drinking water. 尽管地球差不多四分之三都被水覆盖，我们仍然缺少饮用水。
拓展：nearly 与almst 区别 ： almst 多表示时间、程度、距离、进度， 且almst 可以修饰mre than, t, nthing, nbdy, nwhere, n ne, nne, never 等词，nearly 则不行。nearly只与nt连用。 e.g. I have almst never seen him. I nearly didn’t hear what the teacher said in class.
表达欢喜、悲伤、惊讶等感情的句子称为感叹句。一般以疑问词what或hw起始，而以惊叹号终结。感叹句通常有以下形式：一、Hw+形容词〔或副词〕+S+V…! 二、What a [an] +形容词+名词+S+V…! 若名词为不可数或复数的话，就不能用不定冠词。例如：What bad weather we’re having! 多讨厌的天气!三、Hw+形容词+ a [an] +名词+S+V…!
11.感叹句what bad weather！多么糟糕的天气啊！
不定代词和不定副词【要点1】　常见的复合不定代词、不定副词:smebdy,smething,smewhere用于肯定句;anybdy,anyne,anything,anywhere 用于否定句或疑问句。如:I have smething t tell yu.Des anybdy live n the island?【要点2】　形容词修饰复合不定代词时,要放在所修饰词的后面,作后置定语。如:There is nthing serius.Is there anything interesting in tday’s newspaper?
Let's g ver the grammar
【要点3】　复合不定式作主语时,谓语动词常用单数。如:Everyne likes English.Everything ges well.【要点4】　不定代词nne,neither的用法。nne指 “三者或三者以上都不”,作主语时谓语动词用单数或复数均可,常和f 连用构成nne f...结构;neither 指“两个人或物中一个也不,两者都不”。如:Nne f the bks are/is interesting.I knw neither f the tw men.
在用法上容易混淆的不定代词1．【辨析】anther, ther, the ther, thers和the thers
5．【辨析】bth, either和neither与f搭配： bth/either/neither f＋特指的复数可数名词/them/us/yu等。
1．（2022·江苏宿迁·中考真题）________ clever girl Kitty is! She can cme up with sme creative ways t finish the prject.A．WhatB．Hw aC．HwD．What a【答案】D【解析】句意：基蒂是一个多么聪明的女孩啊！她可以想出一些有创意的方法来完成这个项目。考查感叹句。句子是感叹句，中心词是单数可数名词girl，符合结构“What+a/an+adj+单数名词+主谓!”。故选D。
Let's practice
2.（2022·四川达州·中考真题）—Gu Ailing ________ her dream and wn tw gld medals in Beijing 2022 Winter Olympics. —___________excellent girl!A．achieved; HwB．came true; HwC．achieved; What anD．came true; What an【答案】C【解析】句意：——谷爱凌实现了她的梦想，在2022年冬奥会上赢得了两枚金牌。——多么棒的女孩！考查动词和感叹句。achieved实现，主语是人；came true成真，主语是物（梦想）。“what”引导感叹句结构是“what +a/an 形容词+名词+主语+谓语动词”。“hw” 引导感叹句结构是“hw +形容词/副词+主语+谓语动词”。根据“Gu Ailing”可知主语是人，第一空表达实现梦想，用动词“achieved”。根据“girl”可知是可数名词，“excellent”是元音音素开始的单词，用“what an”引导感叹句。故选C。
3．（2022·云南昆明·中考真题）—Shenzhu XIV carried three Chinese astrnauts int space successfully.—Ww, ________ exciting news! We are s prud.A．whatB．what aC．what anD．hw【答案】A【解析】句意：——神舟十四号成功地将三名中国宇航员送入太空。——哇，多么令人兴奋的消息！我们非常自豪。考查感叹句。感叹句中心词是不可数名词news，符合“What+adj+不可数名词+主谓”的结构，故选A。
4．（2022·重庆A卷·中考真题）_________ a fresh spring mrning it is!A．WhB．WhyC．WhatD．Hw【答案】C【解析】句意：这是一个多么清新的春天的早晨啊！考查感叹句。wh谁；why为什么；what多么；hw多么。根据“a fresh spring mrning it is!”可知，这是一个感叹句，此处用what引导的感叹句结构：what+a+形容词+可数名词单数形式+主谓，故选C。
5．（2022·四川广元·中考真题）—Have yu watched Wang Yaping’s science lecture (讲座) frm China’s space statin?—Yes. ______ interesting it is!A．HwB．Hw aC．WhatD．What a【答案】A【解析】句意：——你看过王亚平在中国空间站的科学演讲吗？——是的。多么有趣啊！考查感叹句。根据题干可知，本句是感叹句，且中心词“interesting”是形容词，需用hw来引导，构成“Hw+形容词+主谓”结构。故选A。
6．（2022年湖南省株洲市·中考真题） lvely Bing Dwendwen is!Everyne wants t have ne.（　　）A．WhatB．What aC．Hw【答案】C【解析】句意：冰敦敦真可爱！每个人都想拥有一个。在感叹句中，what修饰名词，hw修饰形容词/副词，语境中lvely是形容词；主语和谓语是Dwendwen is ，其句型结构是：Hw+形容词/副词+主语+谓语！故选：C。
7.（2022年湖北省黄冈市·中考真题）- Dad,hw abut planting sme trees in ur yard？- Gd idea!Trees can       the water frm washing the earth away.A. acceptB. preventC. discverD. chse【答案】B【解析】句意：--爸爸，在我们的院子里种些树怎么样？ --好主意!树木可以防止水把土壤冲走。accept接受；prevent阻止；discver发现；chse选择。根据Dad,hw abut planting sme trees in ur yard？可知是建议在院子里种些树Trees  water frm washing the earth away.以及常识，可知树木可以防止水把土壤冲走，用prevent。 故选：B。
8.（2022年安徽省·中考真题）I have      but praise fr the plice because they ften help peple ut f truble.Yes,they're well wrth praising.（　　）A. everythingB. nthingC. anythingD. smething【答案】B【解析】句意：我对警察只有赞扬，因为他们经常帮助人们摆脱困境。 --是的，他们值得称赞。everything每件事情；nthing没有什么；anything任何事情；smething某事；根据"because they ften help peple ut f truble."因为他们经常帮助人们摆脱困境，可知，我对警察只有赞扬，因此选nthing,nthing but意为"只有"。 故选：B。
Ⅰ.用nne,n ne 的适当形式填空。1.　　　　　　 f my friends has been there. 2.　　　　　　 else knws the answer. 【答案】　1.Nne　2.N ne【解析】　nne 可指人,也可指物,n ne 只能指人;nne后常接f短语构成“nne f+名词/代词”,n ne不接f短语;n ne可与else 连用,而nne则不行。
Ⅱ.用smething,anything或nthing填空。1.I think there is 　　　 wrng with my watch.It desn’t wrk. 2.There is 　　　 t eat in the refrigeratr.Culd yu please buy sme fd? 3.Is there 　　　 else I can d? 【答案】　1.smething　2.nthing　3.anything【解析】　smething “某些事物”,常用于肯定句;anything “任何事物”,常用于否定句或一般疑问句;nthing “没有事情”,除句首作主语外,其余可用 代替。
Ⅲ.用rise,raise的适当形式填空。1.　　　 yur hands if yu have any questin. 2.The mn has nt yet 　　　. 【答案】　1.Raise　2.risen【解析】　rise “上升,升起了”,不及物动词;raise “举起,抬起”,及物动词,其主语常是人。
Ⅳ.用if,althugh的适当形式填空。1.　　　 I live near the sea,I’m nt a gd swimmer. 2.　　　 it desn’t rain,we’ll g t the park. 【答案】　1.Althugh　2.If【解析】　if “如果”,表示条件;althugh “虽然”,引导让步状语从句,句中用了althugh就不能再用but。
Ⅴ.用 nearly,almst 填空。1.She 　　　 never watches TV. 2.The building is 　　　 twenty meters high. 【答案】　1.almst　2.nearly【解析】　nearly 和 almst 意思相近,表示“几乎”,大多数情况下可换用。almst 所表达的程度比nearly更接近些。almst可与否定词n,nne,nthing等连用,nearly不可;在具体数字前常用nearly。
根据下列提示写90词左右的短文，说明树对人类的重要性. 提示： 1. 树可以美化(beautify)环境，有益于身心健康； 2. 它可以放出氧气(give ff xygen),吸收二氧化碳 (take in carbn dixide)； 3. 木材不但可以用于建筑，造纸，还可以制成许多其它 的东西； 4. 保护树木，多种树，严禁乱砍滥伐。
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It' well-knwn that trees are very imprtant t human beings.
As we knw, trees can beautify envirnment, .
放出氧气，吸收二氧化碳。
they are gd fr ur health and mds.
On the ther hand, trees can give ff xygen and take in carbn dixide.
Peple can't live withut xygen .
拓展一下氧气很重要。