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1、Topic 2 The population in developing countries is growing faster.Section C一、Aims and demands：1、New words：social, supply, natural, worse, so far government, take measures to do sth, thanks to sb/ sth, paragraph, opportunity, newborn, percent, offer.2、Key sentences： and about one fifth of the people i
2、n the world live in China.our government has taken many measures to control the population.Thanks to the policy, China is developing quickly and peoples living conditions are improving rapidly.3、重点及难点：强化练习现在完成时的用法和高位数的表达法。二、自主预习：英汉互译：1、大约五分之一的人2、更少的生活空间3、同时4、带来很多其它的困难5、整个国家6、提供能源和水7、满足人们的日常需要8、越来越糟糕
3、9、到目前为止10、采取很多措施11、be known as12、work well in doing13、多亏了这个政策14、一条很长的路要走15、成为最严重的社会问题之一16、面临严峻的人口问题17、增长得越来越慢18、五分之二的19、实施20、达到世界人口的20%21、处理三、合作探究探究一：What problem do you think Chinas large population has caused?1、cause意思为_同义词组_2、do you think在句中作_，后接_语序。探究二：and about one fifth of the people in the wo
4、rld live in China.one fifth意为_分数表达口诀：分子基数词，分母序数词，分子大于一，分母用复数试一试：1/2_ 1/3_ 2/3_ 3/4_特殊情况：(a) half_ a quarter_拓展：几分之几的_练习：a. Two fifths of the students _(be) from Europe.b. Two fifths of water _(be) from the river.探究三：Most cities are more crowded them before, and the traffic is much heavier.Crowded意为_
5、，heavier意为_思考：句中move_比较级，much_比较级探究四：So far, our government has taken many measures to control the population.so far意为_，常与_时态一起使用。练习：a. So far, I _(make) several good friends in my school.b. So far, China _(have) the largest population in the world.探究五：It has worked well in controlling Chins populat
6、ion.work wen in(doing) sth意为_区别：do well in意为_=_四、当堂评价：（一）单项选择( )1.What has _ the worlds population.A、happening toB、taking placeC、happened toD、taken place( )2.Hi, Li Hong, Xiao Gang has _ called you, where have you been?A、just nowB、nowC、justD、never( )3.Do you know _ the population of China was in 200
7、5.I have to idea.A、thatB、how muchC、whatD、how many( )4.In our class _ of the students are girls.A、three fifthsB、three fifthC、third threeD、third fifths( )5.The population of the two villages _ less than two million in 1999.A、areB、isC、wereD、was（二）根据汉语提示，完成句子：1、迄今为止，没人打破他的记录。_ _, no one has broken his r
8、ecord.2、我们班有三分之二的学生来自农村。_ _ of the students in our class come from countryside.3、这项新政策对改善环境起到很好的作用。This new policy has _ _ _ improving our environment.4、多亏了这位好心人，我找到了丢失的自行车。_ _ this kind man, I found my lost bike.5、你将怎样处理你生活和工作上的问题。How will you _ _ your life and you work?五、拓展提升：1、Retell 1a.2、完成2。六、课后检测：1、完成Section C的练习。2、以3a为基础，分三段写一篇短文。
