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1、Section C,Unit 1 The Changing World,Topic 2 The population in developing countries is growing faster.,8,88,888,8,888,88,888,888,888,8,888,888,88,888,888,888,888,888,8,888,888,888,88,888,888,888,888,888,888,888,Tongue twister,1c Read 1a again and complete the table.,1.3 billion,job,energy,water,citie
2、s,traffic,worse,the one-child policy,living space,1 What problems do you think Chinas large population has caused?你觉得中国的庞大的人口数目引起了什么问题？此句中do you think是插入语，what problems 作cause的宾语,所以do you think之后接陈述句语序。2 one fifth 五分之一要表示“几分之几的”时，采用“分数+of+.”形式。e.g.two thirds of the students 三分之二的学生。,英语中分数表示法为：分子采用基数
3、词，分母采用序数词且有单/复数形式。(子基母序，分子大于1，分母加S。e.g.one seventh two sevenths 七分之一，七分之二。注：四分之一亦作a quarter，百分数读作“基数词+percent（无复数）”。e.g.30%读作thirty percent。half意为“一半，二分之一”，相当于one second或50%。,3 because of+n./v.-ing因为。eg.Now most families have only one child because of our countrys one-child policy.=Because our count
4、ry has the one-child policy,now most families have only one child.由于我国实施独生子女政策，现在大多数家庭只有一个孩子。,whole着眼于整体，接可数名词单数形式。谓语动词用第三人称单数形式。e.g.The whole family likes watching TV.全家人都喜爱看电视。all着重于全体中的各个部分，接不可数名词或名词复数。e.g.All the people in the ship lost their lives.轮船上所有人都遇难了。,5 supply:n.供应量，供给量，储备eg.The water s
5、upply is not enough.水的供给不足。v.（尤其大量）供应，供给，提供，常用句型：supply sth.to sb./supply sb.with sth.eg.Our country supplies free textbooks to children.=Our country supplies children with free textbooks.我国给孩子们提供免费的教科书。,provide,offer与supply意思相近，但用法不同。比较：provide sth.for sb./provide sb.with sth offer sth.to sb./offer
6、 sb.sth.6 worse and worse 越来越糟糕比较级+and+比较级 意为“越来越”eg.The weather is getting colder and colder.天气变得越来越冷了。Our school is becoming more and more beautiful.我们的校园变得越来越漂亮了。,7 be known as.be famous as.以而闻名。Edison was famous/known as a great scientist.爱迪生以一位伟大的科学家而闻名/著称。8 It worked well in controlling Chinas
7、 population.它在控制中国的人口方面很有成效。work/do well in doing sth.在做某事方面很有成效。eg.Reciting texts every day has worked well in learning English.每天背诵课文在学习英语方面很有成效。,thanks to多亏了，由于的帮助，相当于because of.或with the help of.，在此短语中，to是一个介词，后接名词或代词。eg.Thanks to the doctor,I am well again.多亏这位医生，我身体又康复了。thanks for 为感谢。强调感谢的原因，
8、后跟名词、代词、动词-ing形式。eg.Thanks for your invitation.谢谢你的邀请。,执行,Every minute,about 261 babies are born in the world.That means people have to _ food for about 375 840 newborn babies every day.The worlds population _ faster and faster.It has _ one of the biggest social problems today.China _ the largest po
9、pulation in the world.There are about 1.3 billion people in China.It has _ 20 percent of the worlds population.China has _ some policies to control the population,and these policies have _ well.But China still _ a serious population problem.,2 Complete the following passage with the correct forms of
10、 the given words or phrases.,find,grows/is growing,become,carried out,reached,grow reach have find work become face carry out,has,worked,faces,Choose the best answer.1._ of the students are boys in our school.A.Two third B.Two threes C.Two thirds D.Second three2.The one-child policy has _ controllin
11、g Chinas population.A.been good at B.done well in C.taken care of D.worked well in3.Edison is known _ a great inventor.A.for B.as C.in D.on 4._ your help,I made great progress in math.A.Thanks for B.Thanks to C.Thank to D.Thank for,C,D,B,B,Exercises,one sixthone ninthone twentieth,five sixthstwo nin
12、thsseven twentieths,ATTENTION,one/a half a quarterthree quarters three and a half,past,now,so far,So far,I have read five English novels.,()7.Have you found your lost book_?No,I havent.A.alreadyB.yetC.stillD.once()8.Our government should_ measures to control the population.A.give B.takeC.putD.get()9
13、.How much is the white coat?Its_yuan.A.one thousand,six hundred,eighty-eightB.one thousand six hundred eighty-eightC.one thousand,six hundred and eighty-eightD.one thousand and six hundred and eighty-eight()10.I have never visited a paper factory._A.So have I.B.So I have.C.Neither have I.D.I havent now.,B,B,C,C,
