初中英语仁爱科普版九年级上册Unit 1 The Changing WorldTopic 2 The population in developing countries is growing fas

这是一份初中英语仁爱科普版九年级上册Unit 1 The Changing WorldTopic 2 The population in developing countries is growing faster.评优课课件ppt，共29页。PPT课件主要包含了Brainstorm，Word bank，Work on 1a，Work on 1b，Work on 1c，job，water，energy，cities，traffic等内容，欢迎下载使用。

1. Sme wrds: scial, supply, natural, wrse, gvernment, paragraph, pprtunity, newbrn, percent, ffer2. Sme phrases: half f, ne fifth, because f, satisfy peple’s daily needs, s far, take measures t d, be knwn as, wrk well in, thanks t3. Sme sentences: We still have a lng way t g.
Lk and think
There is less living space fr each family.
It’s hard t find jbs.
Mst cities are crwded than befre.
Natural envirnments are becming wrse and wrse.
It’s difficult t supply water and energy t satisfy peple’s needs.
The traffic is much heavier.
What scial prblems d yu think the large ppulatin has caused?
scial[ˈsəʊʃ(ə)l]adj.社会的；社交的
supply[səˈplaɪ]v.提供n.供应量
natural['nætʃərəl] adj.天然的；天生的
wrse[wɜːs]adj.更差的adv.更差
s far 到目前为止
gvernment[ˈɡʌvənmənt]n.政府
take measures t d sth. 采取措施做某事
thanks t 幸亏，由于
paragraph [ˈpærəɡrɑːf] n.段
pprtunity [ /ˌɒpəˈtjuːnɪti ]n.机会
newbrn[ˈnjuːˌbɔː(r)n] adj.新生的
percent[pəˈsent] n.百分之······
ffer ['ɔːfə] v.提供
play a game
Write the title f the passage.
Ppulatin Prblems
Read 1a and match the main idea with each paragraph.
1. _____ Paragraph 1 2. _____ Paragraph 2 3. _____ Paragraph 3
A. the measures t deal with the prblemsB. the wrld’s and Asia’s ppulatinC. the prblems caused by large ppulatin
Read 1a again and cmplete the table.
1.37 billin
the ne-child plicy and thers
living space
Paragraph 1
Read Paragraph 1 and fill in the blanks.
Asia has a f ____________4 billin. That’s t say, mre than ______ f the peple in the wrld live in nw.
In 2010，the wrld ’s ppulatin was abut 7.2 billin. Mre than fur billin peple live in Asia nw. That's mre than half f the wrld's ppulatin.
Language pints
4 billin÷ 7.2 billin>1／2 (half) 50 percent (50%)
mre than half f the peple in the wrld live in Asia.
Paragraph 2
1.37 billin÷7.2 billin≈1 ／ 5 20 percent (20%)
Abut ne fifth f the peple in the wrld live in China.
What scial prblems has it caused？
It’s difficult t find jbs.
It’s hard t supply water and energy t satisfy peple’s needs.
ppulatin prblems
Finish the mind map.
Language pints
China has the largest ppulatin in the wrld,and abut ne fifth f the peple in the wrld live in China. Because f the large ppulatin,there is less living space fr each family. And it is difficult fr lts f peple t find jbs. At thesame time, the large ppulatin has caused many ther difficulties fr the whle natin. Fr example, it is hard fr China t supply energy and water t satisfy peple’s daily needs. Mst cities are mre crwded than befre, and the traffic is much heavier. Natural envirnments are becming wrse and wrse.The large ppulatin has been a serius prblem.
It’s +adj. fr sb. t d sth.对某人来说做某事怎么样
ne sixthne ninthne twentieth
five sixthstw ninthsseven twentieths
ne / a half a quarter
three quarters three and a half
Listen and read
Paragraph 3 Language pints
S far, ur gvernment has taken many measures t cntrl the ppulatin.One is knwn as the ne-child plicy. It has wrked well in cntrlling China's ppulatin. Thanks t the plicy, China is develping quickly and peple’s living cnditins are imprving rapidly. Hwever, the ppulatin prblem is still serius in China.We still have a lng way t g.
take measures t d sth.采取措施做某事
be knwn as 作为...而出名
— Every cuple can have nly ne child.
Cmplete the fllwing passage with the crrect frms f the given wrds r phrases.
grw reach have find wrk becme face carry ut
Every minute, abut 261 babies are brn in the wrld. That means peple have t _____ fd fr abut 375 840 newbrn babies every day. The wrld’s ppulatin _______________ very fast. It has _______ ne f the biggest scial prblems tday. China ______ the largest ppulatin in the wrld. There are abut 1.37 billin peple in China. It has ________ 20 percent f the wrld’s ppulatin. China has ____________ sme plicies t slve the ppulatin prblem, and these plicies have _______ well. But China still _______ a serius ppulatin prblem.
grws/ is grwing
Wrk in grups and search fr the infrmatin abut the fllwing questins. Then share yur idea with yur grup members.
1. Hw d yu think we can get mre living space?2. What shuld the gvernment d t ffer mre jb pprtunities?3. Water and energy are less and less. What shuld we d t deal with it?4. The traffic in cities is much heavier than befre. Hw can we slve the prblem?
Write a shrt passage f three paragraphs based n 3a.
China has the largest ppulatin in the wrld. It has caused many prblems. Everyne shuld d smething t slve them. First, the gvernment shuld take many meaures t slve the ppulatin prblem, and practice the refrm and pening-up t develp ur ecnmy. Only in this way can we get mre jbs and imprve ur living cnditins. Secnd, the energy and water is becming less and less. We’d better save them as much as pssible, and try t find mre new energy. In rder t slve the prblem f heavy traffic, we call n everyne t take a bus r walk as ften as pssible.
Let’s check!
1. _____ f the students are bys in ur schl. A. Tw third B. Tw threes C. Tw thirds D. Secnd three
2. The ne-child plicy has _____ cntrlling China’s ppulatin. A. been gd at B. dne well in C. taken care f D. wrked well in
3. Edisn is knwn _____ a great inventr. A. fr B. as C. in D. n
4 ._____ yur help, I made great prgress in math. A. Thanks fr B. Thanks t C. Thank t D. Thank fr