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1、Unit 2 Saving the earth.Topic 2 All these problems are very serious.Section D【学习目标】1.总结不定代词和不定副词的用法；2.认识垃圾污染的危害，让学生意识到环境保护的重要性。【预习案】一、读1a，完成1b.二、 在文中找到并划出下面的短语 1.占用,占据_ 2.同时_ 3.处理废品_4.在所有的垃圾中_5.需要占用太多的空间_6.做某事有困难_7.花费太高_8.循环使用7/20的垃圾_ 【探究案】 在文中划出下面的句子并分析 点拨：deal with sb./sth. - 对付，应付，对待某人或某事 同义词组: d
2、o with比较：deal with (多和how 连用) / do with (多和what 连用)点拨：花费大盘点 1.) It takes sb. 时间 to do sth. - 做某事花费某人.时间 2.) 人 spend 钱或时间 (in) doing sth. - 某人花费钱或时间做某事 on sth. - 某人在某物上花费钱或时间3.) 人 pay 钱 for 物 - 某人为某物付钱 4.) 物 cost 钱 - 某物价值多少钱【练习】. 单项选择( ) 1._down trees harms the living conditions of human beings .A. C
3、ut 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 a
4、re 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. 完形填空 . When Chinese people find out that someone comes from Lo
5、ndon ,they often say ,“London is a foggy city ,isnt 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 isnt any more . In London ,some of th
6、e 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,Londons 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
7、 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 p
8、eople 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
9、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
