九年级英语上册 Unit 1 The changing world.Topic 2 Which country has the largest population Section C

Unit 1 The changing world.Topic 2 Which country has the largestpopulation Section C【学习目标】1.继续学习现在完成时；2.继续讨论有关人口增长的问题；3.引导学生树立正确的人口观念。

【预习案】一、先试着回答1a的两个问题再读1a二、读1a，完成1b （中国人口过多引发的问题）三、在文中找到并划出下面的短语1.三十多亿人口_________________________________2.几乎世界人口的一半___________________________3.大约五分之一的人_____________________________4.更少的生活空间_______________________________5.带来很多其它的困难___________________________6.整个国家(民族)_______________________________7.能源短缺_____________________________________8.更加拥挤_____________________________________9.到目前为止___________________________________10.采取很多措施________________________________11.控制人口数量________________________________12.be known as…________________________________13.work well in doing … ________________________14.多亏了这个政策______________________________15.一条很长的路要走____________________________16.add your own opinions_________________________17.新生婴儿____________________________________18.成为最严重的问题之一________________________19.达到世界人口的百分之…______________________20.面临严峻的人口问题__________________________21.增长得越来越慢______________________________22.五分之二的…________________________________23.成功地解决…________________________________24.处理这些问题________________________________【探究案】在文中划出下面的句子并分析1.What problem do you think China’s large population has caused?点拨：cause --- 带来，引起，导致同义词组：bring about练习：a. Air pollution can cause many diseases.译：__________________________________________b. The bad weather is causing trouble for many farmers.译：________________________________________点拨：do you think在句中做插入语练习：I think Tom is on duty today.(划线提问)_____________________________________________2.…and about one fifth of the people in the world live in China.译：________________________________________点拨：one fifth --- 五分之一分数表达口诀：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… --- 分数 + of …练习：a. Two fifths of the students ____________ (be) from Europe.b. Two fifths of water ____________ (be) from the river.3.For example, we are short of energ y and water.译：_______________________________________________点拨：be short of --- 缺乏…拓展：be short for…--- 是…的缩写练习：a. 他总是缺朋友而不是钱。

He ______ always _________ ______ friends __________ ______ money.b. TV is short for television. 译：__________________________4.Most cities are more crowded than before, and the traffic is much heavier. 译：_______________________________点拨：crowded --- 拥挤的 heavier --- 更繁重的思考：句中more __________比较级; much___________比较级练习：近年来过多的人口造成了拥挤的城市和繁重的交通。

译：_______________________________________________________5.So far, our government has taken many measures to control the population. 译：__________________________________________________点拨：so far ---到目前为止, 常与现在完成时一起使用练习：a. So far, I _________________ (make) several good friends in my school.b. So far, China __________________ (have) the largest p opulation in the world.6. It h as worked well in controlling China’s population.译：__________________________________________点拨：work well in (doing) sth.--- 在做某事方面很有成效拓展：do well in…=be good at…练习：a. Reciting texts everyday works well in learning English.译：______________________________________b.每天跑步对预防(prevent)流感很有成效。

_____________________________________________【归纳】I. 选择短语并用其适当的形式填空get up, take place, check in, check out, thanks to, draw up, divide into, develop into, learn from1. He often ____ at six in the morning and goes to the park to do morning exercises.2. You must ____ him, he is really a good student in our school.3. The meeting will ____ tomorrow. Don’t miss it.4. Shanghai ____ one of the greatest ports in the world.5. They ____ at the hotel in less than an hour after their arrival at the station.6. We ____ of the hotel yesterday in London and left for Beijing.7. That river ____ the city ____ two parts.8. I ____ a plan just now for the environment.9. _____ your advice, I have finished my work.10. ______ his help, I can do it now.II. 汉译英1. 我们从这个故事中学到很多东西。

We have learned a lot ______ the story.2 世界上的人口增长越来越快。

The world’s population is growing ______ ______ ________.4. 好像谁也不了解这件事。

____ ______ _______ nobody knew anything about the matter.5. 农村发生了很大的变化。

Great changes have _____ ______ in the countryside.6. 因为下雨，足球赛延期了。

The football match was put off ______ _______ the rain.III. 用所给单词的适当形式填空1. I have been to an English ____ (train) school to improve my English.2. Tell me the latest _________(develop) in the education of this area.3. Do you have any ______ (difficult) in English?4. There are many _________(different) between living in a big city and living in the countryside.5. China has developed _______ (rapid) in recent years.Ⅳ. 根据汉语提示完成句子1. In 1919, the May 4th Movement ______（发生）in China.2. In the story ______（人类）were replaced by robots.3. They are ______（在困境中）. We should help them.4. They have _______（采取措施）to do with it.5. About _______（五分之一）of the people are teachers.6. _________（人人都知道）the one-child policy.7. I have had _______（两张）tickets. You r eally must come.8. I ______ heard from your brother ______（还没有）.9. None of us likes “_________（小皇帝）”.10. How can we make our lives _________（更舒适）。