unit2lovingourplanet(已修改)
2024-11-02 21:54 本頁面
【正文】 Unit 2 Loving Our Pla ? Topic 1 section A In the past(過去） At present（現(xiàn)在） Reason（原因） There were flowers and grass . The air was fresh. The water was clean. All the flowers,grass And fish have gone ! The water is so dirty . It smells terrible. There are several chemical factories , pouring waste water Into the streams. Topic 1 section A ? 3B Work alone Sometimes people use chemichals too much in their fields, so soil pollution is difficult to stop. 2 、 Each year people pour waste water into rivers, lakes and so on, so water pollution is everywhere in China. 3 、 Air pollution makes people sick. It causes breathing problems and even cancer. 4 、 In some cities there?s too much noise pollution caused by many cars. The government has done something useful to stop it. 5 、 Light pollution is harmful to our eyes . 6 、 Litter influences the look of our cities. Topic 1 section B ? 1b Work alone When did Kangkang meet the old lady? In the morning . What was wrong with the old lady ? It was difficult for her to breathe . How long had the old lady been like this ? She has been like this since last month . What made the old lady?s chest hurt ? The bad air made her chest hurt . Could the old lady sleep well at night ? No, she couldn?t . Were there any other problems made that the old lady feel unfortable . Yes, there were some. What did Kangkang plan to do ? Kangkang plans to write to the newspaper about these problems . Topic 1 section B ? 3 Work alone has been in , one year, last year 2 、 has kept, several days ,several days ago 3 、 have been, last year , one year 4 、 has had , since , one day 5 、 has been dead for, two days ago 現(xiàn)在完成時的用法：表示過去已經(jīng)開始，一直延續(xù)到現(xiàn)在的動作或狀態(tài)．常和 for , since, how long ,these days 等連用． （１） since+過去某時間點 （２） since+一段時間 +ago （ 3） since+一段過去時從句 Topic 1 section B ? 課堂練習 現(xiàn)在完成時的用法：表示過去已經(jīng)開始，一直延續(xù)到現(xiàn)在的動作或狀態(tài)．常和 for , since, how long ,these days 等連用． （１） since+過去某時間點 （１） for+時間段（數(shù)詞 +量詞） （２） since+一段時間 +ago （２） for 短語用 how long 來提問 （ 3） since+一般過去時從句 用 since和 for填空 １、 He has lived in Nanjing_________1998. I?ve known him_______we were children. Our teacher has studied Japanese ______three years . She has been away from the city ______about ten years . It?s about ten years___________she left the city . Topic 1 section C ? Read and undersdand 思考題 （ ） （１） p
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