仁爱科普版九年级上册Topic 2 The population in developing countries is growing faster.示范课ppt课件

这是一份仁爱科普版九年级上册Topic 2 The population in developing countries is growing faster.示范课ppt课件，共24页。PPT课件主要包含了发展中国家，发达国家，so far，幸亏由于，被所环绕，中国的首都，billion，million，thousand， million等内容，欢迎下载使用。

Phrase cllectin
给某人打电话 ___________________lse ne’s way ___________________增加了…… ___________________develping cuntries ___________________develped cuntries ___________________carry ut ___________________到目前为止 ___________________采取措施做某事 ___________________thanks t sb./sth. ___________________be surrunded by ___________________the capital f China ___________________
call sb. up
increase by
take measures t d sth.
numbers in ur lives
ne hundred and fifty yuan
thusands f peple
tw pint tw six (2.26) meters tall
tw thusand and eight Olympic Games
1,000,000,000 ne billin
1,000,000 ne millin
1,000 ne thusand
3.14three pint ne fur
100 ne hundred
Lk,read and learn
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.
Hw t read numbers?
1 , 0 0 0 , 0 0 0 , 0 0 0
1 0 0 0 0 0 0 0 0 0
2 Listen and read the numbers, paying special attentin t the intnatin. Then read the ther numbers with yur partner.
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
973nine hundred and seventy-three3 980three thusand , nine hundred and eighty98 721ninety-eight thusand , seven hundred and twenty-ne768 540seven hundred and sixty-eight thusand , five hundred and frty
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
The ppulatin is increasing by 80 millin every year.
= The wrld has a ppulatin f 6.8 billin.
What a large ppulatin!
1b Listen t 1a and match the infrmatin.
Make similar cnversatins after the example.
Example:A.: What’s the ppulatin f the wrld?B: It’s abut 6.8 billin.
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 the ___________ plicy t cntrl the ppulatin.
1a Listen，lk and say.
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.
2. s + 主语+be/助动词/情态动词: “确实是…” neither/nr +主语+ be/助动词/情态动词: “确实不是…”
1.--- Lucy can dance very well. ---___________________. She has wn many prizes s far.2. --- Water has already been plluted. ---___________________. There is nt much fresh water fr drinking nw.3. --- They haven’t finished their hmewrk. --- ___________________. S they can’t g ut.
Nr they have
A：What a large ppulatin ! The wrld … 6.8 billin. … 80 millin every year.B：Which cuntry …?A：China … reach…, and India …with ….B：… the USA?A：309 millin.B：It shws … develping cuntries … develped cuntries.A：…is grwing faster …B：S it is. The ppulatin prblem … develping cuntriesA：China … carry ut … cntrl the ppulatin.
Act ut the dialg
3 Wrk in grups and discuss the ppulatin f the wrld. The fllwing chart and questins may help yu.
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 cntrl the ppulatin?
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.The ppulatin in develping cuntries is larger than that in develped cuntries.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. larger B. mre C. fewer D. less
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.
The supermarket is very crwded.
S +主语+ be/情态动词/助动词
Lucy dances very well.
She has cleaned the rm.
S it is.
Language pints
e.g. The ppulatin f this city is nearly 300 000. 这个城市的人口将近三十万。 e.g. 80% f the ppulatin in China are farmers. 中国百分之八十的人口是农民。
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。
强调人口的具体分布或构成 (作复数）
集合名词 某地整体人口的数量(作单数）
通常用large/ big/ small 来修饰。