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1、Section D,Unit 1 The Changing World Topic 2 Which country has the largest population?,2b Useful expressions,So do I. Neither do my parents. It says that the world has a population of 6.8 billion. Whats the population of the U.S.A.?,So it is. one fifth be short of Thanks to the policy ,综合填空,The world
2、 has a large population of 6.8 billion. And it is growing fast. _is that of China. China has the largest population of the world. About _ _of the people in the world live in China. The large population causes many problems today. For example, we _ _ _ energy and water. Most of the cities are crowded
3、 than before, and the traffic is much heavier. Some parents in less developed areas prefer boys to girls. So they cant _ girls a good education . China has _ _ _ to control the population. One _ _ _ one-child policy. _ _ the policy, China is developing quickly, and the peoples living conditions are
4、improving rapidly. Our lives are becoming more and more comfortable.,one,So,are short of,offer,taken some measures,is known as,Thanks to,fifth,现在完成时,have cleaned the clothes,past,now,*表示过去发生的某一动作对现在造成的影响或结果。 I have just cleaned my clothes. 我刚洗过衣服。（“洗衣服”是发生在过去的动作，对现在造成的结果是“衣服干净了”。） I have just had my
5、 breakfast. 我刚吃过早饭。 (对现在的影响是“不饿”。),cleaned the clothes,*通常与表示包括现在在内的时间副词 just（刚刚）, already（已经）, before, yet（一般疑问句：已 经；否定句：还），never, ever等状语连用。 I have never heard of that before. Have you ever ridden a horse? She has already finished the work. Have you milked the cow yet? Yes, I have done that alread
6、y. Ive just finished my homework. He has not come yet.,试比较： The plane has arrived. 飞机已经来了。（说明现在的情况：飞机在这儿。） The plane arrived a quarter ago. 飞机是一刻钟以前来的。（强调动作发生的时间在过去。） 【注】现在完成时不能和明确表示过去的时间状语连用。如: yesterday, last week, in 1980, 3 days ago 等。,语法闯关,The train （leave. It （leave） just now.,She is doing her
7、 homework. She (not finish) her homework yet.,has left,left,hasnt finished,A: _ you (care) for the old before? B: Yes. We often take social activities in holidays.,I know the Great Wall very well. Because I (be) there before.,Has cared,have been,Free talk,Do you want to live in a small town or a big
8、 city? * Environment * Living condition * Peoples relations 人们的关系 * Transportation 交通,1.Where do Sue and Li Ming live? 2.What are the differences between their lives?,Watch 1a and answer the questions,Then underline the descriptive words.,（视频p15-1a）,Fill in the blanks using the information about Fai
9、rmont.,Fairmont,population,the environment,transportation 交通,shopping,peoples relations 人们的关系,fewer than 600 people,tall, green tress, clean, fresh air,like one big family,It takes a couple of hours to go shopping.,difficult to see friends far away,1b Work alone,（录音p15-1a）,Then make a similar one ab
10、out Beijing.,Beijing 北京,Places of interest: the Great Wall, the Ming Tombs, the Summer Palace, the Forbidden City,History: a long history,Shopping: big shopping centers and huge markets, easy and pleasant,Public transportation: buses, taxis and subways to go to any parts of the city, excellent,Peopl
11、es life: not always easy, work and study hard,Project,* You belong to * Advantages * Disadvantages * Like best. Why?,Different kinds of families,Write down your conclusion,Exercises,1. Have you seen this film _? Yes, I saw it two years _. A. ago, before B. before, ago C. ago, ago D. before, before 2
12、. I wont go to the party _ Im invited. A. unless B. though C. if D. but,B,A,3. Ill be back in a _ of days. A. couple B. pair C. two D. couples 4. I like to sing English songs. What about you? _ A. So I do. B. So do I. C. Either is OK. D. You decide.,A,B,5. Have you improved your spoken English _? Yes, I have. Ive _ improved it. A. already; already B. already; yet C. yet; already D. yet; yet 6.Two sixths of the students _ girls in our class. A. be B. are C. is D. am,C,B,Goodbye!,