仁爱版九年级英语上册 Unit 1 Topic 2 Section C 课件共29张

1、5,201,314,6,800,000,000,The population in developing countries is _ than,that in developed countries,Which country,has,the largest,population,Whats the population of,China,larger,1a 1. Before you read the passage, discuss the,questions with your partner,1,Why,does China carry out the one-child polic

2、y,2) What,social problems,do you think Chinas large,population has caused,1a Read and understand,2. Write the title of the passage,1b Read 1a and match the main idea with each paragraph,1. _ Paragraph 1 A. the measures to deal with the,problems,2. _ Paragraph 2 B. the worlds and Asias population,3.

3、_ Paragraph 3 C. the problems caused by large,population,Population Problems,B,C,A,1c Read 1a again and complete the table,Population of China,_,Social problem,less _,fewer _ opportunities,less _ and _,crowded _,heavy _,_ natural environments,Government,measure,_,1.3 billion,job,energy,water,cities,

4、traffic,worse,the one-child policy,living space,Asia has a population of _,Thats to say, almost _ of the people,in the world live in Asia now,more than 3 billion,half,Paragraph 1,The worlds and Asias population,0,1,2,3,4,5,6,7,the population,the world,Asia,3 billion,6.8,billion1,2,half,50 percent,50

5、,Almost,half,of the people in the world live in Asia,1.3 billion,6.8,billion1,5,20 percent (20,About,one fifth,of the people in the world live in China,one,0,1,2,3,4,5,6,7,the population,the world,China,What social problems has it caused,Paragraph 2,The problems caused by large population,fifth,Diff

6、icult points,Fractions,P110,1,英文分数表达方法,1,分子,上,用基数词，分母,下,用序数词,2,先读分子后读分母,3,当分子大于,1,时，分母的序数词用复数，直接在词尾加,s,4,分数前有整数，整数与分数间用,and,连接,简单口诀：母序子基，分子大于,1,分母加,s,one fifth,5,1,one sixth,one ninth,one twentieth,five sixth,s,two ninth,s,seven twentieth,s,ATTENTION,6,5,9,1,9,2,20,1,20,7,6,1,one / a,half,a,quarter,

7、three quarter,s,three,and,a half,2,1,3,4,1,4,3,2,1,three fourth,s,one fourth,2,分数作定语时，与所修饰的名词之间加,of,Difficult points,Fractions,P110,e.g,我们班三分之二的学生是男生,_ _ _ the students in our class are boys,Two thirds of,3,分数后面可接可数,n,也可接不可数,n,谓语动词的单,复数,和分数词后的,名词,保持一致,e.g,五分之三的学生已经通过了考试,Three fifths of the students

8、_ passed the exam. (have,has,Because of the large population,there is _ for each family,less living space,Because of the large population,it is difficult for lots of people _,to find jobs,Because of the large population,it is hard for China to supply _ and _,to,satisfy peoples daily needs,energy wat

9、er,Because of the large population,most cities are _ than before, and,the traffic is much _,more crowded,heavier,Because of the large population,natural environments are becoming _,_,worse,and worse,The one-child policy,Every,couple,can have only one child,So far, the one-child policy has,worked wel

10、l in,controlling Chinas population,We still have a long way to go,Paragraph 3,The measures to deal with the problems,past,now,so far,So far,I,have read,five English novels,so far,到目前为止，常与现在完成时连用,e.g,到目前为止，我们已经学了,2000,个单词了,So far, we _ _ 2000 words,Choose the best answer,1. About _ of the articles on

11、 education have been,published,出版,.(2009,广州,A.two thirds B.two third,C.seconds three D.seconds third,2. -There are sixty students in our class. And _ of us,are boys,Wow! Forty girls in your class.(2011,北京,A.one fourth B.one third,C.three quarters D.two thirds,3. The number of the students in our sch

12、ool is about nine,_. _ of them are boys.(2011,上海,A. hundred; Two thirds B. hundred; Two third,C. hundreds; Two thirds D. hundreds; two third,1. Read the fractions in English,2. Talk about population problems,1. Some words,social, supply, natural, worse, government,paragraph, opportunity, newborn, pe

13、rcent, offer,2. 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 to,3. Some sentences,We still have a long way to go,Every,minute,about,261,babies,are,born,in,the,world. That means people have to _ food for about,

14、375,840,newborn,babies,every,day,The,worlds,population,_,faster,and,faster,It,has,_ one of 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,p

15、opulation,and,these,policies,have,_,well,But,China still _ a serious population problem,2 Complete the following passage with the correct forms,of 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,3a,Work in

16、groups and search for the information,about the following questions. Then share your,idea with your 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

17、 it,4. The traffic in cities is much heavier than before,How can we solve the problem,3b Write a short 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

18、one-child policy,to control the increasing population, and practice the,reform and opening-up to develop our 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 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 three,2. The one,child policy has