初中英语仁爱科普版九年级上册Topic 1 Pollution has causes too many problems.优秀ppt课件

这是一份初中英语仁爱科普版九年级上册Topic 1 Pollution has causes too many problems.优秀ppt课件，共32页。PPT课件主要包含了free talk，Predict，Word bank，fresh air，Work on 1a，Work on 1c，Para1，pollution，However，Para2等内容，欢迎下载使用。

Learning bjectives
1. Sme wrds: deaf, print, hearing, lss, recently, disturb,srt, uncmfrtable, unpleasant, sentence, meaning2. Sme phrases: g deaf, lse ne’s hearing, hearing lss, n better than, d harm t3. Sme sentences:Hwever, nt all peple knw nise is als a kind f pllutin is harmful t human’s health.
4. Find ut the tpic sentence t understand the cntent f a paragraph.5. Write a passage accrding t the tpic sentences.
Let’s chant
`sil p`llutin`water p`llutin`nise p`llutin
`air p`llutin`litter`light p`llutin
nise pllutin
What kind f pllutin is in this vedi？
Let’s talk abut the things that can make nises.
What is this passage mainly talking abut？
Give a prper title t this passage.
Nise Pllutin
Underline the tpic sentence f the passage in 1a.
Read para.1 and fill in the blanks.
In tday's wrld, almst everyne knws air (1) is harmful t peple's health. (2) , nt all peple knw nise is als a kind f pllutin and (3) humans' health.
is harmful t
Read para.2 and answer the fllwing questins.
2.Which sentence shws that many teenagers’ hearing in America is nt gd?
3.Why is the hearing f many yung Americans nt gd?
Many teenagers in America can hear n better than 65-year-ld peple d.
Because they always listen t lud pp music.
1.Which sentence is the main idea?
Peple wh wrk and live in nisy cnditins ften g deaf.
Read para.3 and answer the fllwing questins.
2.Which phrase has the same meaning as “is harmful t”?
“d harm t”.
Making a lud nise in public is als a kind f pllutin.
Hw des nise harm peple’s health?
Peple ften ____ ______.
Peple ften feel ______ ______ and __________.
Peple may becme _____ r _____.
uncmfrtable
Read 1a and circle the language pints.
In tday's wrld, almst everyne knws air pllutin is harmful t peple's health. Hwever, nt all peple knw nise is als a kind f pllutin and is harmful t humans' health. Peple wh wrk and live in nisy cnditins ften g deaf. Fr example, many f the wrkers wh print newspapers and bks lse their hearing. Quite a few peple living near airprts als have hearing lss. Recently, it was reprted that many teenagers in
Language pints
d harm t=be harmful t 对...有害
不是所有都，表部分否定
lse ne’s hearing=have hearing lss 丧失听力
同...（几乎）一样差
adj. 六十五岁的 有连字符不加s
V-ing 作主语，谓语动词用单数
make sb. d sth.让某人做某事
America can hear n better than 65-year-ld peple d,because these yung peple always listen t lud pp music. Making a lud nise in public is als a kind f pllutin. It nt nly disturbs thers but als des great harm t peple's hearing. Cars and machines als prduce t much nise. Such pllutin makes peple feel uncmfrtable and unpleasant, and it can even cause them t becme sick r deaf. Nwadays, many cuntries are trying t slve all srts f envirnmental prblems,including nise pllutin.
try t d sth.努力做某事
them t becme sick r deaf. Nwadays, many cuntries are trying t slve all srts f envirnmental prblems,including nise pllutin.
Read and remember
air pllutin 空气污染
nt all 不是所有都
Fr example 例如
It’s reprted that 据报道
n better than 同...（几乎）一样差
lud pp music 劲爆流行音乐
nt nly als 不但...而且
make sb. d sth. 让某人做某事
human’s health
nisy cnditins
feel uncmfrtable and unpleasant
becme sick r deaf
Read 1a and match the wrds with their meanings.
1. prduce 2. deaf 3. print 4. harm 5. srt
A. t hurt smeneB. a type r a kindC. nt be able t hearD. t grw r make smethingE. t put wrds r pictures nt paper using a machine
Cmplete the fllwing passage with the crrect frm f each wrd.
Nise is a kind f _________ (pllute). Cars and machines prduce t much nise. It makes peple feel ___________ (cmfrtable) and __________ (pleasant). It als des great ______ (harm) t peple’s _________ (hear). Nise is very ________ (harm) t human’s _______ (healthy).
Has nise pllutin caused yu any prblems? If yes, share yur feelings with yur classmates.
What abut ther kinds f pllutin?
3 Chse ne kind f pllutin and discuss it in grups. The fllwing questins may help yu.1. What is … pllutin?2. What makes the … pllutin?3. What prblems des it cause?4. In what way is it harmful t peple’s life?5. What has been dne t slve these prblems?
Write a shrt reprt abut a kind f pllutin based n 2 and 3. The tpic sentence f each paragraph is given belw.
… pllutin is…… pllutin is harmful t peple’s health…The gvernment has tried many ways t slve the prblem…
Air pllutin is becming mre and mre serius in tday’s wrld. Sme chemical factries prduce terrible gas and make the air bad. Buses and cars als prduce waste gas. In ur daily life, burning gas, il and cal als creates air pllutin. The air pllutin may cause a lt f prblems. It is harmful t peple’s health. It can cause breathing prblems, sre eyes and even cancer. It can als harm the plants, and the farmers will get less harvest. Luckily, the gvernment has tried many ways t slve the prblem, such as making laws t prevent the factry frm plluting the air.
1. —The little girl was brn____, and she can’t hear anything. —Oh, I’m srry t hear that. A. lazy B. blind C. deaf D. lvely
2. — What happened? — There is a girl_____ n the street. She culdn’t find her mther. A. crying B. cry C. t cry D. cries
3. The ______ by tried t climb up the tree, but he failed. A. 5-year-ld B. 5-years-ld C. 5 year ld D. 5 years ld