初中英语仁爱科普版（2024）九年级上册Topic 2 The population in developing countries is growing faster.精品教学课件ppt

这是一份初中英语仁爱科普版（2024）九年级上册Topic 2 The population in developing countries is growing faster.精品教学课件ppt，共30页。PPT课件主要包含了NEWS，Work on 1b，Read aloud，Review等内容，欢迎下载使用。

Learning bjectives
1. Sme wrds: ppulatin, billin, increase, reach, luckily, plicy, Russia, measure2. Sme phrases: increase by, develping cuntries, develped cuntries, carry ut3. Sme sentences: What a large ppulatin! The wrld has a ppulatin f 7.2 billin. S it is.
Pre-listening
ppulatin [ˌpɒpjʊˈleɪʃən] n.人口
billin['bɪljən]num．十亿
increase[ɪn'kriːs]v.(使)增加
Russia[ˈrʌʃə]n.俄罗斯
reach [riːtʃ] v.实现；达到；
luckily ['lʌkɪli]adv.幸运地
measure[ˈmeʒə]n.措施，方法
The wrld has a ppulatin f 7.2 billin.And it is increasing by 82 millin every year.Russia has reached 143 millin.Luckily,it has taken sme measures t slve the prblem.
Lk and guess
While-listening
What’s the main idea f this passage?A.The ppulatin f ppulatin f the ppulatin f the wrld.
Listen t 1a and match the infrmatin.
1. the wrld 2. China 3. India 4. the USA
A. 323 millin B.7.2 billin C. 1.36 billin D. 1.27billin
Pst-listening
Make similar cnversatins after the example.
A. 323 millin B.7.2 billin C. 1.36 billin D. 1.27 billin
Example:A.: What’s the ppulatin f the wrld?B: It’s abut 7.2 billin.
What’s the ppulatin f
listen and fllw
(Kangkang is reading a reprt n ppulatin in the newspaper) Maria: Hi,Kangkang,what are yu reading? Kangkang:I am reading a reprt abut wrld ppulatin. Maria: What des it say? Kangkang:It says the wrld has a ppulatin f 7.2 billin in 2014.And it is increasing by 82 millin every year. Maria:Mmm,that's really a lt. Kangkang:Yes.China's ppulatin has already reached 1.36 billin,and India has a ppulatin f 1.27 billin.
Maria: What's the ppulatin f the USA? Kangkang:323 millin. Maria: Oh,I see.What else des it say? Kangkang:It als says that as the ppulatin increases,there will be mre pllutin and ther serius prblems. Maria: S,what shuld we d with theprblems? Kangkang:There are a lt f things we shuld d.We shuld find new ways t prtect the envirnment,fr example,making new rules and plicies. Maria: That's great!Only by wrking tgether can we create a better future.
Language pints
increase by 增加了 increase t 增加到
e.g. The ppulatin f China is very large. 中国人口众多。 The ppulatin in this area is becming smaller and smaller. 这个地区的人口越来越少。
② 提问“人口有多少”常用what, 也可以用Hw large/Hw big 提问。
What’s ppulatin
Hw large/big ppulatin
increase by + 数字 / 倍数 / 百分数 增加了……e.g. The price f the huse has increased by three times.
increase t +数字 增加到……e.g. The price f the huse has increased t 500 000.
Maria: What's the ppulatin f the USA? Kangkang:323 millin. Maria: Oh,I see.What else des it say? Kangkang:It als says that as the ppulatin increases,there will be mre pllutin and ther serius prblems. Maria: S,what shuld we d with the prblems? Kangkang:There are a lt f things we shuld d.We shuld find new ways t prtect the envirnment,fr example,making new rules and plicies. Maria: That's great!Only by wrking tgether can we create a better future.
What’s the ppulatin f.. ...的人口是
lts f=a lt f+可数名词复数/不可数名词 许多
Play a game
Wrk n 1c Read 1a and fill in the blanks.
The wrld has a ppulatin f 7.2 billin in 2014 and it is increasing by __________ every year. China’s ppulatin has already reached __________ and India has ________________ __ f 1.27 billin. As the ppulatin _____ __, there will be mre pllutin and ther serius prblems. We shuld find new ways t ______ _ the envirnment, fr example, making new rules and plicies.
a large ppulatin
1.36 billin
(Kangkang is reading a reprt n ppulatin in the newspaper)
Kangkang: Ww! What a large ppulatin!
Maria: What?
Kangkang: Lk, it says the wrld has a ppulatin f 7.2 billin.
And it is increasing by 82millin every year.
Maria:Mmm, that’s really a lt.
Which cuntry has the largest ppulatin?
Kangkang: China has the largest ppulatin.
It has already reached 1.36 billin, and India is secnd with 1.27 billin.
Maria: What’s the ppulatin f the USA?
Kangkang: 323 millin.
Maria:Oh, I see.
It shws that the ppulatin in develping cuntries is larger than that in develped cuntries, desn’t it?
Kangkang: Yes. What’s mre, the ppulatin in develping cuntries is grwing faster.
Maria: S it is.
The ppulatin prblem has becme mre serius in develping cuntries.
Kangkang: Luckily. China has already carried ut sme plicies t slve the prblem.
Read 1a and answer questins.
1,000,000,000 ne billin
1,000,000 ne millin
1,000 ne thusand
3.14three pint ne fur
100 ne hundred
Listen and read the numbers, paying special attentin t the intnatin. Then read the ther numbers with yur partner.
1 0 0 0 0 0 0 0 0 0
1 , 0 0 0 , 0 0 0 , 0 0 0
543.7five hundred and frty-three pint seven 1 562ne thusand, five hundred and sixty-tw6 004 001six millin, fur thusand and ne7 198 764 502seven billin, ne hundred and ninety-eight millin, seven hundred and sixty-fur thusand, five hundred and tw
2 346 780tw millin, three hundred and frty-six thusand, seven hundred and eighty82 346 580eighty-tw millin, three hundred and frty-six thusand, five hundred and eighty405 000 000fur hundred and five millin5 555 555 555five billin, five hundred and fifty-five millin, five hundred and fifty-five thusand, five hundred and fifty-five
Watch a vedi abut the ppulatin f the wrld
3 Wrk in grups and discuss the ppulatin f the wrld. The fllwing chart and questins may help yu.
Listen carefully
Express yurself
Ask questins
Nte smething imprtant
Evaluate yurselves
English leader
Leader assistant
Grup member 1
Grup member 2