1、Unit 7 Protect the Earth 知识点梳理一、词组1.保护我们的地球 protect our Earth 2. 再利用和节约水 reuse and save water3. 有用的水 useful water 4. 浪费水 waste water5. 用水清洗东西 use water to clean things 6. 在许多地方 in many places7. 太多水 too much water 8. 应该知道这个 should know this9. 许多煤炭和石油 much coal and oil 10.节约能源 save energy11.我们的大部分能源 m
2、ost of our energy 12.开那么多车 drive so much13.来自石油和煤炭 come from coal and oil 14.挽救树木 save trees15.使用很多能源 use a lot of energy 16.来自树木 come from trees17.砍伐太多的树 cut down too many trees 18. 对地球有害 be bad for the Earth19.太多塑料 too much plastic 20.使用木头做椅子 use wood to make tables21.太多塑料袋 too many plastic bags 2
3、2.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 bottles 25.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 Day 29.实在是酷 really cool 30. 制作一张海报 make
4、a poster 31.做一个课题 do a project 32.怎样保护地球 how to protect the Earth 33.地球日 Earth Day34.告诉他们关于它（的事）tell them about it 35.开始画 start drawing36.先画地球 draw the Earth first 37.把它放在学校门口 put it at the school gate37.蓝色和棕色 blue and brown 38.树和花 trees and flowers39.在树上画些水果 draw some fruit on the trees二、句子1. To pr
5、otect 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. Mos
6、t 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 c
7、lean.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.
8、 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。三、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 n
9、eed 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
10、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 5th of 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
