仁爱科普版九年级上册Unit 2 Saving the earth.Topic 1 Pollution has causes too many problems.精品课件ppt

这是一份仁爱科普版九年级上册Unit 2 Saving the earth.Topic 1 Pollution has causes too many problems.精品课件ppt，共23页。PPT课件主要包含了piano，bus，cat，wind，go deaf，sick，unpleasant，deaf，定语从句，go deaf 变聋等内容，欢迎下载使用。

Learn sme new wrds and phrases.Learn sme useful expressins.Knw abut nise pllutin.Learn t write a passage abut pllutin.
What d yu knw abut nise?
Nise is a srt/kind f pllutin.
It's harmful t peple's health. It makes us uncmfrtable and unpleasant.
What d yu think f nise?
What kinds f nise pllutin have yu met?
Let’s write dwn the things that can make nises.
1a Read and understand.
1b Read 1a and match the wrds with their meanings.
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
1. Underline the tpic sentence f the passage in 1a.
Give a prper title t this passage.
Nise is als a kind f pllutin and is harmful t human’s health.
Nise Pllutin
1c Read 1a again and cmplete the fllwing tasks.
2.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?
“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.
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
…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
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.
Nt everyne
/Sme peple
as weak as
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).
2 Cmplete the fllwing passage with the crrect frm f each wrd.
nise pllutin
What is nise pllutin?
Why is it a kind f pllutin?
Hw t deal with it?
Wh is it harmful t?
What des it cause?
Has nise pllutin caused yu any prblems? If yes, share yur feelings with yur classmates.
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?…
4 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…
1. Find ut the tpic sentence t understand the cntent f a paragraph.2. Write a passage accrding t the tpic sentences.
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.
单项选择( ) 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. cry B. crying 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
用所给单词的正确形式填空。1. They are ding their hmewrk carefully. Yu’d better nt ________(disturb) them.2. It is knwn that smking des great _______(harm) t us.3. They had all ______ (srt) f juice t drink at the party last night.4. Our gvernment has slved sme _____________ (envirnment) prblems.
envirnmental
改为同义句。1. The by had hearing lss when he was brn. The by _____ _____ _________ when he was brn.2. Sme students g t schl n Saturdays. ____ _____ students g t schl n Saturdays.
lst his hearing