夏邑县济阳初中九年级英语教学案 课 题：Unit 2Topic 2 All these problems are very serious. 2 Section C

夏邑县济阳初中九年级英语教学案
课 题：Unit 2 Topic 2 Section C
班级： 学生姓名：
自学——质疑——解疑
（一）学习目标：
1、进一步学习各种 污染对地球造成的危害和造成这些污染的原因。
（二） 自学方法：
1、预习P37___38页的生词和短语。
2、大声朗读1a，找出重点短语及句子。
自测——互查——互教
翻译下列短语
1.cut down | ______________ 2.more and more sorts of____________
3.温室效应___________ 4. 海平面 _____________________
5.When it rains or when the wind blows,,the earth is taken away___________________
6.more carbon dioxide __________________________
展示——反馈——导学
Some thing we’ve done are very good for the earth while some are bad.我们所做的一些事情对地球有益，然而另一些却对地球有着负面影响。（见课后注释110页）
2. When it rains or when the wind blows ,the earth is taken away .当刮风下雨的时候，土就被刮走或冲走。
Take away 拿走，取走 如：
I don’t like these books ,please take them away .我不喜欢这些书，请把他们拿走。
3.As a result ,many rivers and lakes are now dead .结果，现在许多河流湖泊已经没了生机。
be dead 死的 表示一种状态，这里指 “无生气的，死气沉沉的。”
4．阅读1a,完成1b,和2
自测——反馈——点拨
单项选择
( ) 1._____down trees harms the living conditions of human beings .
A. Cut B. Cuts C. Cutting D. To cut
( ) 2. .A terrible earthquake (地震)happened in wenchuan caused many people _____their lives and homes .
A .lose B. losing C . to lose D. lost
( ) 3. ______your hand if you know the answer . .
A .Rise B. Give C. Raise D .Put
( ) 4. There are ____students on the playground, and _____girls are in them .
A. hundred , hundreds of B. hundreds of , hundred C. hundred ,hundred D. hundreds of ,hundreds
( ) 5. As many factories have polluted the river ,you can find ______fish on the water here and there .
A die B. death C. dead D . died.
自测——反馈——点拨
完形填空 .
When Chinese people find out that someone comes from London ,they often say ,“London is a foggy city ,isn’t it ”British people who visit China often have to say that London is not a foggy city at all .But if London is not foggy ,______1 do so many people in China think it is In fact ,London used to be a foggy city ,2____it isn’t any more .
In London ,some of the pollution came from factories ,but a lot of it came from coal because people used it in their houses 3_____warm during the winter .By the 1950s,London’s air pollution had became so 4______that the government decided to do something to clean up the air .A new rule was made .It said that 5_______was allowed to burn coal in any British city .Just a few years 6_____,the air became much cleaner .
Now many Chinese cities meet the same kind of 7_____as London met forty or fifty years ago .However ,this problem is more difficult for Chinese cities to 8_____.First ,more of the pollution comes from big factories than from coal people use in their houses .If these factories are suddenly closed ,lots of people 9_____their jobs .Second ,cleaner fuels(燃料)are quite expensive .However ,the air in many cities is already slowly becoming cleaner ,because the government and ordinary (普通的)people are trying to make pollution become 10_____.I believe the air will be fresh again one day .
1 .A what B .when C which D. why 2.A .and B .but C .so D .or
3 .A to keep B keeping C .kept D .keep 4.A .well B .good C .badly D .bad
5. A .somebody B .anybody C .nobody D everybody
6 A .before B .ago C .later D .after 7.A .problem B .question C .accident D .discussion 8 .A .find . B .answer C .solve D .save
9.A,lost B .lose C .would lose D .will lose 10.A.little B.less C.much D.few
回顾——总结——反思