新8BUnit 8 A green world导学案（5课时）

Unit8 A Green World 第1课时 Comic strip & Welcome to the unit 备课：2014-5-11 上课： 月 日 主备：胡源明 审核：备课组 八（ ）班 姓名： 【点拨导学】 Ⅰ.学习目标：Read and say a bout the comic and learn sth about how to live a green life. Ⅱ. 学习重难点: Learn and use some new words ,phrases and sentences. 【任务探究】 一、根据预习完成下列英汉互译 1.喜欢挖_____ 2. 对...有好处_____ 3.被种植_____ 4.通过关灯_____ 5.乘地铁_____ 6. 如何过绿色的生活_____ 7.记得关灯_____ 8. 导致严重的空气污染_____ 9. 节约用水_____ 10. 减少空气污染_____ 11. Own cars_____ 12. Take shorter showers_____ 13. leave a room_ _____ 14. by riding bicycles_____ 15. Discuss what you can do_____ 16. by recycling waste_____ 二、Ⅰ Self-learning before class 1.多吃蔬菜有益于健康. _____ 2. 人们过去经常骑自行车而不是开车 People _____ 选择公共交通对人们来说是明智的 _____ 我们可以通过循环使用废品来保护环境 _____ 更多的树应该被种植 More trees should _____ 骑自行车可以减少空气污染 _____ 越来越多的汽车会导致严重的空气污染 More and more cars _____ 记得把灯关了当你离开房间时 _____ 三I. 用所给单词的适当形式填空 1. We can protect the environment by _____ (recycle) things. 2. The box _____ (use) as a table by the poor child. 3. _____ (plant) trees is good for our environment. 4. I have a good friend _____ (call) Alice. 5. She was _____ (serious) hurt in an accident in order to save one of her students. 6. My grandfather likes _____ (dig) in the garden everyday. 7. You should s pend as much time as you can _____ (practice) your English. 四. 单项选择 ( ) 1. It is gene rous _____ you to donate for the charities. A. for B. of C. to D. from ( ) 2. Most of the cases can _____ in the beginning. A. prevent B. be prevented C. preventing D. prevented ( ) 3. It _____ that the haze (雾霾) in Beijing caused many problems last week. A. reports B. reported C. is reported D. was reported ( ) 4. Nobod y told us _____ . A. what to do it B. how to do C. where to do D. when to do ( ) 5. -- Would you like _____ the environment -- I don/t know. What can I do A. help save B. helping save C. to help saving D. to help save ( ) 6. _____ ene rgy, turn off the hot water after you take a shower. A. Save B. Saving C. Saved D. To save ( ) 7. Remember _____ the letter for me on your way home. A. to post B. post C. posted D. posting 五、完形填空 The water and the lan d are thought part of the earth surface (表面). The air is 1 thought a kind of blanket 2 the earth. But it is 3 than that. Maybe you have been in a cave (洞穴) 4 in the earth. Did you think about the air that was in the cave The land has some air mixed in it. Air is even mixed 5 the water in the sea. These examples show that some air is 6 the earth’s surface as well as above it. Men once 7 th at there were four basic things from which everything else was made. They 8 these things—earth, fire, air, and water the four elements（元素）. 9 man made more observations, they 10 that fire was not an element. 11 they concluded (得出结论) that land, air and water were not ... ...