仁爱版九年级英语上册 Unit 1 Topic 2 Section C 课件(共25张PPT).ppt

1、Teaching aims1.Master the new words and phrases:social,natural,worse,government,offer,supply,paragraph,opportunity,newborn,percent,one fifth of,because of/thanks to,take measures to do sth.,work well in(doing)sth.2.Grammar:Present Perfect:have/has+done3.Learn how to read the fractions in English.4.T

2、alk about population problems.The population in developing countries is _ than that in developed countries.Which country has the largest population?Whats the population of China?larger1a 1.Before you read the passage,discuss the questions with your partner.1)Why does China carry out the one-child po

3、licy?2)What social problems do you think Chinas large population has caused?Asia has a population of _.Thats to say,almost _ of the people in the world live in Asia now.more than 3 billionhalfParagraph 1 The worlds and Asias population.3 billion 6.8 billion12(half)50 percent(50%)Almost half of the p

4、eople in the world live in Asia.1.3 billion6.8 billion1 520 percent(20%)About one fifth of the people in the world live in China.oneWhat social problems has it causedParagraph 2The problems caused by large population.fifthone sixthone ninthone twentiethfive sixthstwo ninthsseven twentiethsATTENTIONo

5、ne/a halfa quarterthree quarters three and a halfBecause of the large population,there is _ for each family.less living spaceBecause of the large population,it is difficult for lots of people _.to find jobsBecause of the large population,it is hard for China to supply _ and _ to satisfy peoples dail

6、y needs.energy waterBecause of the large population,most cities are _ than before,and the traffic is much _.more crowdedheavierBecause of the large population,natural environments are becoming _.worse and worsepastnowso farSo far,I have read five English novels.The one-child policy Every couple can

7、have only one child.So far,the one-child policy has worked well incontrolling Chinas population.We still have a long way to go.Paragraph 3The measures to deal with the problems.1a Read and understand.2.Write the title of the passage.1b Read 1a and match the main idea with each paragraph.1._ Paragrap

8、h 1 A.the measures to deal with the problems2._ Paragraph 2 B.the worlds and Asias population3._ Paragraph 3 C.the problems caused by large populationPopulation ProblemsBCA1c Read 1a again and complete the table.Population of China_Social problemless _fewer _ opportunitiesless _ and _crowded _heavy

9、_ natural environmentsGovernment measure_1.3 billionjobenergywatercitiestrafficworsethe one-child policyliving spaceEvery 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 o

10、f the biggest social problems today.China _ the largest population 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

11、 Complete the following passage with the correct forms of the given words or phrases.findgrows/is growingbecomecarried out reachedgrow reach have find work become face carry out hasworkedfaces3a Work in groups and search for the information about the following questions.Then share your idea with you

12、r group members.1.How do you think we can get more living space?2.What should the government do to offer more job opportunities?3.The energy and water is less and less.What should we do to deal with it?4.The traffic in cities is much heavier than before.How can we solve the problem?3b Write a short

13、passage of three paragraphs based on 3a.China has the largest population in the world.It has caused many problems.Everyone should do something to solve them.First,the government should keep the one-child policy to control the increasing population,and practice the reform and opening-up to develop ou

14、r economy.Only in this way can we get more jobs and improve our living conditions.Second,the energy and water is becoming less and less.Wed better save them as much as possible,and try to find more new energy.In order to solve the problem of heavy traffic,we call on everyone to take a bus or walk as

15、 often as possible.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 _ controlling 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

16、 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 forCDBB根据汉语提示完成句子：1.My friend Jenny has _（主动提出）to help me with my English.2.China _ _ _（已采取措施）to control the population.3.Yao Ming plays basketball well,so he _ _ _（被熟知）one of the most famous bask

17、etball stars.4._ _（三分之二）of the students in our class are boys.offeredhas taken measuresis knownasTwo thirds1.Read the fractions in English.2.Talk about population problems.1.Some words:social,supply,natural,worse,government,paragraph,opportunity,newborn,percent,offer2.Some phrases:half of,one fifth,because of,satisfy peoples daily needs,so far,take measures to do,be known as,work well in,thanks to3.Some sentences:We still have a long way to go.Homework2.Write the composition in 3b.1.Read 1a aloud.3.Finish Section C in your workbook.4.Preview Section D.