初中英语Topic 2 The population in developing countries is growing faster.精品ppt课件

这是一份初中英语Topic 2 The population in developing countries is growing faster.精品ppt课件，文件包含Unit1Topic2TheChangingWorldTopicSectionB课件pptx、Unit1Topic2TheChangingWorldTopicSectionB教案doc、Unit1Topic2TheChangingWorldTopicSectionB练习doc、G9U1T2SB-CHINAHASSCRAPPEDITSNOTORIOUSONE-CHILDPOLICYmp4、G9U1T2SB-Iftheworldwere100peoplemp4、G9U1T2SB-THEBIGNUMBERSONGmp4等6份课件配套教学资源，其中PPT共20页， 欢迎下载使用。
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视频《G9U1T2SB-IF THE WORLD WERE 100 PEOPLE》
Wrds and phrases: ppulatinbillinincreasereachRussialuckilyplicymeasurein develped/ develping cuntrieshave a ppulatin f…increase bycarry utSentences：It says the wrld has a ppulatin f 7.2 billin.It is increasing by 90 millin every year.Which cuntry has the largest ppulatin?—What’s the ppulatin f the USA.? —It’s…S it is. The ppulatin prblem is mre serius in develping cuntries.Grammar: Present Perfect
视频《G9U1T2SB-THE BIG NUMBER SONG》
Hw t read a large number?
First, try t separate the number in grups f three frm right t left. Then read it in rder frm billin t millin and thusand.
1 , 0 0 0 , 0 0 0 , 0 0 0
1 0 0 0 0 0 0 0 0 0
2. Listen and Read.
2. Read the fllwing numbers.
973 nine hundred and seventy-three3 980 three thusand , nine hundred and eighty98 721 ninety-eight thusand , seven hundred and twenty-ne768 540 seven hundred and sixty-eight thusand , five hundred and frty
2 346 780 tw millin, three hundred and frty-six thusand, seven hundred and eighty82 346 580 eighty-tw millin, three hundred and frty-six thusand, five hundred and eighty405 000 000 fur hundred and five millin5 555 555 555 five billin, five hundred and fifty-five millin, five hundred and fifty-five thusand, five hundred and fifty-five
2,000,000,000
7.2 thusand
65.2 billin
The ppulatin is increasing by 90 millin every year.
= The wrld has a ppulatin f 7.2 billin.
What a large ppulatin!
1b. Listen and Match the infrmatin.
1c. Read 1a and Fill in the blanks.
The wrld has a ppulatin f 7.2 billin and it is increasing by __________ every year. _______ has the largest ppulatin. It has already reached __________ and India is _________ with 1.1 billin. The ppulatin in develping cuntries is ______ and is grwing ________ than that in develped cuntries. Luckily, ur cuntry has carried ut sme plicies t ______the ppulatin.
1.37 billin
(Kangkang is reading a reprt n ppulatin in the newspaper.)K: Ww! What a large ppulatin! M: What? K: Lk, it says the wrld has a ppulatin f 7.2 billin. And it is increasing by 90 millin every year.M: Mmm, that's really a lt. Which cuntry has the largest ppulatin?K: China has the largest ppulatin. It has already reached 1.3 billin, and India is secnd with 1.1 billin. M: What's the ppulatin f the USA?K: 321 millin.M: Oh, I see. It shws that the ppulatin in develping cuntries is larger than that in develped cuntries, desn't it? K: Yes. What's mre, the ppulatin in develping cuntries is grwing faster.M: S it is. The ppulatin prblem has becme mre serius in develping cuntries.K: Luckily, China has already carried ut sme plicies t slve the prblem.
1a. Read 1a and underline the key pints.
3. Wrk in grups and Discuss.
1. Which f these 5 cuntries has the largest/smallest ppulatin? What’s the ppulatin f it?2. What can yu tell frm the ppulatin in develping cuntries and in develped cuntries?3. What prblems des the large ppulatin cause?4. What measures d yu think shuld be taken t slve the ppulatin prblem?
1. China has the largest ppulatin. The ppulatin f China is 1.37 billin. Canada has the smallest ppulatin. The ppulatin f Canada is 35 millin.2. The ppulatin in develping cuntries is larger than that in develped cuntries.3. The large ppulatin may cause less living space, mre pllutin and s n.
Chse the best answer.1. — ______ is the ppulatin f Russia? — 143 millin. A. Hw much B. Hw many C. What D. Hw2. There are ______ students in ur schl. A. three thusands B. three thusands f C. three thusand f D. three thusand 3. — Jenny always helps thers. — ______. A. S is she B. S she is C. S des she D. S she des4. The ppulatin f China is ______ than that f Japan. A. largerB. mre C. fewer D. less
Cmplete the fllwing cnversatins.
A: Hell, Amy. 1.__________________________B: I have been t Chngqing.A: Wnderful. 2.___________________________B: I think it’s a beautiful city with the unique scenery f muntains, rivers, frests, waterfalls and s n. But there’s a prblem?A: 3. ___________________B: It’s very crwded there. It’s a city with a large ppulatin.A: 4. ________________________________________B: Abut 31 millin.A: The ppulatin in Chngqing is larger than that in mst cities in China.B: 5. ___________________________________________
What d yu think f it? / Hw d yu like it?
What’s the ppulatin f Chngqing?
S it is. / Yu’re right. / I agree with yu.
Where have yu been?
1. Read numbers in English.2. Talk abut ppulatin prblems.
1. Sme wrds: ppulatin, billin, increase, reach, luckily, plicy, Russia, measure2. Sme phrases: increase by, develping cuntries, develped cuntries, carry ut, the ne-child plicy3. Sme sentences: What a large ppulatin! The wrld has a ppulatin f 6.8 billin. S it is.
2. Read the numbers in Part 2 n P12.
1. Read 1a alud.
3. Finish Sectin B in yur wrkbk.
4. Preview Sectin C.
“Numbers Dn't Lie, and neither des science.” — Basimah Rasha