仁愛英語九年級上冊UNIT1 TOPIC2 SECTION C課件

1、Topic 2 What has happened to the population?Section CNew words and phrasesdifficulty, energy, human being, trouble, less, offerUseful expressionsGo on studying the present perfect.Talk about the problem of overpopulation.Get students to know how serious the overpopulation problem is.芝麻開門1a Read and

2、understandPre read questions；1. How much do you know about Chinas one-child policy?2. What problems do you think Chinas large population will cause？3. What can we do about the large population in China? In 2oo5, the worlds population was about 6.5 billion. More than three billion people live in Asia

3、 now. Thats about half of the worlds population. China has the largest population in the world, and about one fifth of the people in the world live in China. A large population causes many difficulties, not only for every family, but also for the whole nation. It has become a serious problem. China

4、has done something to control the population. One is known as the one-child policy. It has worked well in controlling Chinas population. Thanks to the policy, China is developing quickly and peoples living conditions are improving rapidly. However, the population problem is still serious in China. W

5、e still have a way to go. 1b Work alone Describe the disadvantages of Chinas large population according to the following phrases in the box. You can begin like this: Because of the large population, we are short of energy and water 1.be short of energy and water2.heavy traffic3.more crowded4.fewer p

6、laces to live5.be difficult to find a job2a Work alone Listen to the tape and fill in the blanks Every minute about 261babies are born in the world. That means people food for about 376 303 new people every day. The worlds population faster and faster. It one of the greatest problems today.have to f

7、ind is growinghas become2a Work alone Listen to the tape and fill in the blanks China has the largest population the world. There about 1.3 billion people in China. It one fifth of the worlds population. China to control the population, and these policies well. But China still faces a serious popula

8、tion problems.arehas reachedhas triedhas worked2b Work aloneRead 2a again and then mark T for True or F for False+( ) 1.Human beings are in trouble because there are too many people in the world.( ) 2.Indian has a larger population than China.( ) 3.China has 25 percent of the worlds population.( ) 4

9、.China has tried to control the population.TTF F 3 Written workSearch for more information about the population problem in China, and then write something about it. The following questions may help you.1.Whats the population of China?2.How many people live in the countryside?3.Some parents in less d

10、eveloped areas prefer boys to girls, dont they?4.Call all Chinese families offer their children a good education?5.What is a comfortable life like? How can we make life more comfortable?1.and about one fifth of the people in the world live in China.【拓展】 one fifth 分?jǐn)?shù)表達(dá)法。英文分?jǐn)?shù)表達(dá)法，基數(shù)詞/序數(shù)詞，先讀分子再讀分母。當(dāng)分子大于 1 時，分母的序數(shù)詞變成復(fù)數(shù)，直接再詞尾+ “s。如： one fourth three fourths a half 5/7 five sevenths 指點(diǎn)迷津2.Because of our large population, we are short of energy and water.b