u2t3sd导学案.doc

Unit 2 Saving the earth Topic 3 What can we do at home to protect the environment Section D 班级 科目 组别 姓名 学习目标：1. Learn some new words: remove, replace, dry insect, bite, planter.学习重点：复习一些复合句子(1)The weather may be very hot and dry or it may be very cold and wet. (2)People produce power from coal, so it is very dirty and causes acid rain.学习难点：3. Learn how to be a greener person. 学习过程：一. 在文中找到并划出下面的短语,给出相应的翻译。1.remove carbon dioxide from the air 2.such as_3.cut down 4.provide sth.to do sth._5.全世界_6.面临许多困难 _7地球之肺 8.different types of trees 9.even though 10.植树 11.pick the litter up 12.ride a bike 13.关灯 14.pale green 15.medium green 16.bright green 二、Read through Section A-C and fill in the blanks with the correct words. Compound Sentence 1. Recycling can protect the environment, _ it can save money, too. 2. Some things we have done are good for the earth _ some are bad. 3. We should do everything to protect it, _ well be punished and lose our home. 4. People produce power from coal, _ it is very dirty and causes acid rain. Functions1. Would you like to be a _ person? 2. First, you ought to _ the electricity when you leave a room. 3. _ said than done. 4. Action speak _ than words. 5. The train can _ a top speed of 431 km per hour. 三、Read the passage and answer the questions on Page 50. 1. How do you understand “Forests are the lungs of the earth”? 2. What difficulties do tree planters face when they plant trees ? 3. Why do they plant different kinds of trees? 4. What will happen if we do not plant new forests? 5. Would you like to be a tree planter when you are older? Why or why not? 点拨: 1.plant 1）v.种植2）n.植物 Plant(原形）-plants(三单形式）-planting(现在分词）-planted(过去式，过去分词）；planter n.种植者。 2、They plant different types of trees so that birds and animals can live in the forests. so.that.引导目的状语从句，“目的是，为的是”,=in order that. e. g. They climbed higher so that they might see farther. so that还可以引导结果状语从句，“结果是.”e.g. He got up too late this morning, so that he was late for school. 3、Even though /even if 即使，尽管，虽然。E .g .Ill get there, even if I have to walk.四、自我检测题： .(A) 根据句意及汉语提示完成句子。1.We should reuse plastic bags _ (而不是) throwing them away.2.We can sort waste paper and soft cans _(以便) they can be recycled.3.Many poor people live in the houses without _ (用电的) light.4.There are many _ (毛巾) in the box.5.I dont know how to do it. Could you _(提供) me some useful advice?(B) 根据句意，用所给单词的适当形式填空。6. These tin bottles were collected for _ (recycle).7. In some countries such as India, shaking the head means _ (agree).8. In my hometown, we have _ (reuse) some waste things for producing energy again.9. _ (nod) your head if you agree with me.10.The earth is _ (shake), and there must be an earthquake (地震). .英汉互译 。（5分）11.你们是怎样处理塑料袋的？How do you deal with _ _?12.那个小女孩的父母决定待在家里而不出去了。 The girls parents have decided to stay home_ _ going out.13.当你离开教室的时候, 应该随手关灯。You _ _ turn off the lights when you leave the classroom.14.说比做更容易。_ said than_.15.行动胜于言辞。 _ speak louder than _. .单项选择( ) 1. Help others whenever you can _ youll make the world a nicer place to live in. A. or B. and C. but D. while( )2. Cross the road carefully, _ youll keep yourself safe . A. so B. or C. but D. and ( ) 3. Hurry up, _ youll be late for the concert . A. or B. so C. but D. and ( ) 4. -Tell us something about Canada, OK? - Im sorry. _ Jack _ I have ever been there. A. Either, or B. Not only, but also C. Both, and D. Neither, nor ( ) 5. I always enjoy visiting London, _ I wouldnt like to live there. A. because B. so C. but D. and .Summary:We learn: 1. Some words: remove, replace, dry , insect, bite, planter 2. Some phrases: provide sth . to do sth .; face difficulties; even though 3. Some sentences:(1)Without them, it cannot breathe.(2)They plant different types of trees so that birds and animals can live in the forests. We can: 1. Use the compound sentence correctly. 2. Realize the importance of the forest. V. Project: Finding the greenest person.1.Answer the following questions