Unit 7 Protect the Earth知识点梳理.doc

Unit 7 Protect the Earth知识点梳理一、单词useful有用的much很多oil石油save节约other其他的glass玻璃drive开车，驾驶collect收集二、词组1.保护我们的地球protect our Earth2.再利用和节约水reuse and save water3.有用的水useful water4.浪费水waste water5.用水清洗东西use water to clean things6.在许多地方in many places7.太多水too much water8.应该知道这个should know this9.许多煤炭和石油much coal and oil10.节约能源save energy11.我们的大部分能源most of our energy12.开那么多车drive so much13.来自石油和煤炭come from coal and oil14.挽救树木save trees15.使用很多能源use a lot of energy16.来自树木come from trees17.砍伐太多的树cut down too many trees18.对地球有害be bad for the Earth19.太多塑料too much plastic20.使用木头做椅子use wood to make tables21.太多塑料袋too many plastic bags22.许多别的东西many other things23.使用纸袋和玻璃杯use paper bags and glass bottles24.收集塑料瓶子collect plastic bottles25.再利用这些东西reuse these things26.再利用塑料瓶做个玩具reuse a plastic bottle to make a toy27.使用塑料制作袋子和瓶子use plastic to make bags and bottles28.世界环境World Environment Day29.实在是酷really cool30.制作一张海报make a poster31.做一个课题do a project32.怎样保护地球how to protect the Earth33.地球日Earth Day34.告诉他们关于它（的事）tell them about it35.开始画start drawing36.先画地球draw the Earth first37.把它放在学校门口put it at the school gate37.蓝色和棕色blue and brown38.树和花trees and flowers39.在树上画些水果draw some fruit on the trees三、句子1. To protect the Earth, what should we do? What should we not do?为了保护地球，我们应该做什么？我们不应该做什么？2. We drink water and use water to clean things every day.每天我们喝水，用水清洗东西。3. In many places, there isnt much water.在许多地方没有很多水。4. The earth is our home.地球是我们的家园。5. We should reuse and save the water.我们应该再利用和节约水。6. Most of our energy comes from coal and oil.我们大部分的能源来自煤炭和石油。7. There is not much coal or oil on Earth.地球上没有很多煤炭和石油。8. Wood comes from trees.木材来自于树木。9. We use wood to make tables, chairs and many other things.我们使用木材制作桌椅和许多其他的东西。10. We shouldnt cut down too many trees because trees help keep the air clean.我们不应该砍伐太多的树木，因为树木帮助净化空气。11. Dont use too much plastic.不要使用太多的塑料。12. The poster is ready. They put it at the school gate.海报准备好了。他们把它放在学校大门口。13. Too much plastic is bad for the Earth.太多的塑料对地球有害。14. All (the) students should know this.所有的学生都应该知道这点。15. Lets make a poster and tell them about it.让我们做一张海报来告诉他们这点。16. Let me draw the Earth first.让我先画地球。四、语法点1. to后面加动词原形（1）use to ，使用某物做某事use water to clean things使用水清洗东西use chopsticks to eat noodles用筷子吃面条use the nose to smell用鼻子闻(2) reuse sth to do sth再利用某物做某事reuse a plastic bottle to make a toy用塑料瓶做一个玩具(3) need sth to do sth需要某物做某事We need oil to drive cars.2.情态动词should/shouldnt后面加动词原形We should save trees.我们应该挽救树木。We shouldnt cut down too many trees.我们不应该砍伐太多树木。3.本课不可数名词：water水, energy能源, oil石油, coal煤炭, wood木材, plastic塑料, paper纸a lot of（很多）和some（一些）可修饰可数名词和修饰不可数名词a lot of people可数, a lot of water不可数, some trees可数, some wood不可数many（很多）修饰可数名词many books, many plastic bagsmuch（很多）修饰不可数名词much coal and oil, much plastic4. use（1）使用，作动词，s发/z/use the fork to have lunch用叉子吃午餐（2）使用，作名词，s发/s/make a good use of time好好利用时间（3）有用的，useful，s发/s/useful things有用的东西5.日期的表达：在4月22日on the 22nd of April / on April the 22nd在6月5日on the 5thof June / on June the 5th6. tell（1）讲述tell stories讲故事（2）告诉I told her how to cook fish.我告诉了她怎么烧鱼。告诉关于的事Lets tell them about it.让我们告诉他们这件事。（3）叫，吩咐My mother tells me to do homework first.我妈妈叫我先做作业。7. start+动名词开始做某事start drawing开始画画start swimming开始游泳8.be ready准备好了(1) Everything is ready.一切都准备好了。Are you ready?你们准备好了么？/Ready？准备好了么？(省略句)（2）be ready to do sth.随时可(乐意,即将)Im ready to have the English test.我准备好了随时参加英语考试。（3）be ready fo