仁爱英语九年级上Unit1Topic2SectionC.ppt

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1、8888888,888888,000888,000,888888,000,888,000hundredthousandmillionbillion 具体数后百，千，百万，十亿不加具体数后百，千，百万，十亿不加s十千五百万六十亿不具体的数，百，千，百万，十亿后加不具体的数，百，千，百万，十亿后加s成百上千的成千上万的成百万上亿的ten thousandfive millionsix billionhundreds ofmillions ofmillions of starsthousands of6,800,000,000What a large population!Whats the pop

2、ulation of the world?A:Whats the population of China?B:Its about 1.3 billion.Pair workTalk about the chartA:Whats the population of India?B:Its about 1.1 billion.Pair workTalk about the chartAsia had a population of _ in 2005.Thats to say,_ of the worlds population live in Asia.more than 3 billionha

3、lf3 billion 6.8 billion12 (half)50 percent(50%)Almost half of the people in the world live in Asia.1.3 billion6.8 billion1 5 (one 20 percent(20%)One fifth of the people in the world live in China.fifth)morefirst第一第一f:stsecond第二seknd third第三:d fourth第四f:fifth第五fifsixth第六seventh第七 eighth第八eit,ei ninth

4、第九nain twelfth第十二twelf twentieth第二十twentii 分数表达，分数表达，分子分子用用基数词基数词,分母分母用用序数词序数词，one sixthone ninthone twentiethfive sixthstwo ninthsseven twentieths分数表达，分数表达，分子分子用用基数词基数词,分母分母用用序数词序数词th，分子分子超过一超过一，分母要，分母要加加sone(a)half a quarterthree quarters three and a halfback1.3 billion6.5 billion1 5 (one 20 perce

5、nt(20%)China has the largest population,and about one fifth of the people in the world live in China.fifth)Because of the large population,there is_(more less)living space.Because of the large population,its _(difficult easy)for many people to find jobs.Because of the large population,we are _ _ ene

6、rgy and water.Because of the large population,the cities are _ _ than before.Because of the large population,the traffic is _ _.more crowded.much heavier.short of less difficult the one-child policy.So far,our government has taken many measures to control the population.One is known asit has worked

7、well in controlling Chinas population.pastnowso far=until nowSo far，we have read four English books.backin recent years=recentlyListen and read 1aWhat problems does a large population cause？China has the largest population in the world(1.3 billion)Because of the large population,there is less living

8、 space for each family.And its difficult for lots of people to find jobs.(job opportunities)The large population also causes many other difficulties for the whole nation.For example.It is hard for china to supply energy and water to satisfy peoples daily needs.Most cities are more crowded than befor

9、e.the traffic is much heavier.Worse and worse natural EnvironmentsCarry out the one-child policyListen to 2a and fill in the blanks Every minute,about 261 babies are born in the world.That means people have to for about 375 840 newborn babies every day.The worlds population is growing .It has become

10、 one of the biggest social problems today.China has the largest population in the world.There are about 1.3 billion people in China.It has reached percent of the worlds population.China some policies to control the population,and these policies well.But China still faces a serious population problem

11、.find foodfaster and faster20has carried outhave worked录音Read 2a and mark T or F in 2b()1.Every minute,about 261 babies are born in China.()2.The worlds population is growing more and more slowly.()3.India has a smaller population than China.()4.China has two fifths of the worlds population.()5.The

12、Chinese government has solved the population problem successfully.F F T F F 1.I have some _ in learning English.(difficult)2.我们将采取措施帮助你的英语。Well _ help you with your English.3.他以一个伟大的科学家而著名。He _ a great scientist.3.长城在控制沙尘暴上有成效。The Great Green Wall has _ controlling sandstorms(沙尘暴).幸亏政府的支持，这些孩子才能上大学。

13、_ the governments efforts,these children can go to college.difficulties take measures to is known as worked well in Thanks to()4._ of the teachers are women in our school.A.Two third B.Two threes C.Two thirds D.Second threeC 重点单词、词组Page13:Title:China has the largest populationParagraph 2:1、about one

14、 fifth of the people(大约五分之一的人）2、because of（由于）3、less living space (更少的生活空间）4、it is difficult for lots of people to find jobs(有很多人都很难找到工作）It is difficult to do sth=It is hard to do sth5、at the same time （同时）6、has caused many other difficulties（带来了很多其它的问题）7、satisfy peoples daily needs(满足人们的日常需求）8、most

15、 cities are more crowded than before（很多城市比以前更拥挤）9、the traffic is much heavier（交通压力更大）Paragraph 3:1、So far:(until now)到目前为止，迄今为止常与现在完成时连用Eg:We have learnt over 2000 words so far.(到目前为止，我们已经学了2000多个单词了）2、take measures to do sth:采取措施做某事It is necessary for you to take some measures to work it out.(对于你来说

16、，想办法把它弄明白是必要的）3、be known as(=be famous as)作为而出名eg:she was well known as an excellent writer=She was famous as an excellent writer.）be known for=be famous for 因.著名for后加人或物之所以闻名的原因，常接表示特点、特长的名词The flim star is known for her fine acting=The film is famous for her fine acting(那位电影明星以精湛的演技而著称）4、work well

17、 in sth doing sth 在某方面起明显的作用Doing eye exercises works well in protecting our eyesight.(做眼保健操在保护我们的视力方面起到了明显的作用）Work at 在.方面下工夫 work out 计算，算出 work on 从事，致力于5、thanks to the policy(多亏了这项政策）6、peoples living conditions are improving rapidly（人们的生活水平正在快速提高）rapidly(adv 迅速地、很快地)7、we still have a long way to

18、 go(我们仍有很长的路要走)Page14:2:Paragraph 3:face a serious population problem 面临着一个严重的人口问题 3a:1、offer more job opportunities 提供更多的工作机会2、deal with the problem 处理问题 solve the problem(解决问题）Sum uphow to read the fractions(分数)in English.so fartake measures to work well in一半的一半的_四分之一四分之一_五分之一五分之一_五分之二五分之二_因为因为_更少

19、的居住面积更少的居住面积_对对-来说困难来说困难_整个国家整个国家_更拥挤更拥挤_.交通更堵塞交通更堵塞_迄今为止，迄今为止，_=until now.现在完成时时间标志词现在完成时时间标志词采取许多措施采取许多措施_以以-而闻名而闻名_在做什么方面很有成效在做什么方面很有成效_幸亏，由于幸亏，由于_有很长的路要走有很长的路要走_Key pointshalf of=one second ofa quarter=one fourthone fifthtwo fifthsbecause ofless living spaceIts difficult forthe whole nationmore crowdedmuch heavier.so fartake many measures to do sth be known as=be famous aswork well in doing sththanks tohave a long way to goHomework完成同步练习册完成同步练习册15-17页。页。抄写抄写page13(1a)单词每个写一行（单词每个写一行（注意：第一遍要写注意：第一遍要写音标、汉语意思音标、汉语意思）Write a composition about The Population in China。