新牛津深圳版英语七年级下册第4单元知识要点.docx

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1、新牛津深圳版英语七年级下册第4单元学问要点一、单词：1. disease 疾病( illness ) 2. convenient 便利的(= easier; convenience n. )3. branch 树枝( branches pl. ) 4. discuss 探讨(= talk about; discussion n.)5. against 反对( again ) 6. container 7. example 例子( exam; simple ) 8. harmful 有害的( harm n.; harmless )9. oxygen 氧气 10. produce 消费(= mak

2、e; product; production )11. gas 气体 12. pine 松树( fine; line; mine; nine; wine )13. hole 洞;孔( whole 完全的 ) 14. furniture 家具( 不行数名词; future )15. save 挽救( safe adj. ) 16. imagine 想象( imagination n. imagine doing )17. dig 挖( dug; digging ） 18. major 主要的(= big and important = main )19. carry 搬运；携带(marry结婚)

3、 20. root 根( foot; boot; room; roof )21. fight 与作斗争( fighter n. fought; eight; light; might; night; right; sight )二、词组：1. take in=absorb 汲取 2. know/ learn about 理解；学到3. for example 例如 4. in fact=as a matter of fact 准确的说；事实上5. look around 环顾四周 6. millions of 大量的，数以百万计的7. be made of 由制成 8. in our dail

4、y lives 在我们日常生活中9. come/ be from 来自 10. air pollution 空气污染 11. writedown 写下；登记 12. with the help of 在的扶植下 13. cut down 砍倒 14. be good for 对有利/好处15. as a result 结果是 16. living things 生物；有生命事物17. fight against 与作斗争 18. be good at = do well in 擅长于；在某方面好19. be in danger 处于危急中 20. a lot of = lots of = ma

5、ny / much 很多21. discuss = talk about = talkover 探讨；商讨22. be bad for = be harmful to = do harm to 对有害23. have fun = have a good time = enjoy oneself 过得开心；玩得快乐24. provide sb with sth = provide sth for sb = offer sth to sb 给某人供应某物三、句型构造：1. stop doing sth 停顿做某事 2. stop to do sth 停下来去做另件事 3. imagine doin

6、g sth 想象做某事 4. imagine sb to do sth 想象某人做某事5. help sb do sth 扶植某人做某事 6. plan to do sth 安排准备做某事7. want to do sth = would like to do sth = feel like doing sth 想要做某事8. want sb to do sth = would like sb to do sth 想要某人做某事9. keep / make adj. 使 keep clean make the room beautiful 辨析：1. carry 搬运；携带（无方向性）; ta

7、ke 拿走；带走; bring 拿来；带来; fecth 去拿来 = go and bring 2. be made of 由.制成; be made from 由.制成; be made up of 由.组/构成 The table is made of wood. 桌子是用木头制成的。(看得见原材料。) The wine is made from grapes. 酒是用葡萄酿造的。 (看不见原材料。) China is made up of over thirty provices. 中国是由三十多个省组成的。四、语法：如今进展时态1. 定义：如今进展时表示如今正在发生的动作或存在的状态。

8、也可表示现阶段在进展的动作。2. 标记(时间): now= at the moment 提示词: Look Listen Its 8:00 now. 对这些时间状语提问时用疑问词 when例: Look! They are playing football. Listen! The girl is singing in the room.Its 12:00 now. Mr.Smith is having lunch3、如今进展时态构成： 主语+ be动词如今式（am、is、are）+动词ing 4、如今进展时的几种句型：（一）陈述句（确定句、否认句）确定句：主语 be(am, is, are)

9、 + 如今分词 Jim is singing.否认句：主语 be(am, is, are) + not + 如今分词 He isnt reading English.（二）一般疑问句；（变疑问句将be动词移到句首主语前）Be(Am, Is, Are) + 主语 如今分词 Is Tom working Yes, he is. No, he isnt.（三）特别疑问句疑问词 be (am, is, are) 主语 如今分词例: They are playing football on the playground now. 否认句: They arent playing football on t

10、he playground now. 一般问句: Are they playing football on the playground now 特别问句: What are they doing on the playground now确定式否认式单数I am working.You are working.He/ She is working.I am not working.You are not working.He/ She is not working.复数We/ You/ They are working.We/ You/ They are not working. 附:动词的

11、如今分词的构成规则(v.-ing)1、一般状况下，干脆加ing，如：cookcooking、readreading、looklooking2、以不发音的e结尾，去e加ing，如：makemaking, havehaving、writewriting3、以一个元音字母 + 一个辅音字母结尾的重读闭音节动词,双写该辅音字母,再加- ing:runrunning, stopstopping、swimswimming、sitsitting、beginbeginning4、 以y或w结尾的动词,干脆加-ing: playplaying flyflying throwthrowing5、 但 die (死

12、) dying lie(躺;说谎) lying tie(系;捆) tying fixfixing五、写作指导 作文范文：（一） Save the trees Trees are our best friends on Earth. They produce oxygen for us to breathe, and they take in waste gas from cars and other harmful gases from the air. Trees also make our lives more comfortable and convenient. Look around

13、 and you will find that a lot of products are made of wood.However, trees are now in danger. People cut down millions of trees every year. Can you imagine the world without trees In fact, if we dont start protecting them from now on, well soon lose our friends, the trees.（二） Trees are our good frien

14、dsTrees are very important in our daily life. They are our good friends.Trees keep the air cool and clean, they take in harmful gases from the air and produce oxygen for us to breathe. They are major fighters against air pollution and make cities beautiful.Trees make our lives more convenient. They

15、provide a lot of useful things for people, such us paper, food and oil. Trees also stop water and soil from going away.In a word, we cant live without trees. We should stop cutting down millions of trees every year. We should plant more trees and take care of them. Tree Planting DayYesterday it was

16、March 12 - Tree Planting Day. We went to the hill to plant tress with our teachers. There we learned how to plant trees. We also learned a lot about plants. For example, trees can help clean the air. They give us food, such as apples, oranges, grapes, peached and pears. People and other animals need

17、 them to live. We planted a lot of trees yesterday. We were very tired, but we felt very happy.I、写出下列动词的如今分词形式：1. sing 2.live 3.ski 4.run 5.carry 6. get 7.stop 8.die 9.throw 10.write 11.dig 12.dance 13.know 14.begin 15.clean II、词语释义：1. Air pollution is a major pollution. A. big and important B. smal

18、l C. easy D. not important 2. Trees produce oxygen for us to breathe. A. get B. make C. go D. take 3. We talked about the problem in our class meeting yesterday afternoon. A. discuss B. discussed C. think D. thought 4. Do you come from Australia A. Are.from B. Do.from C. Do. e D. Are. e from 5. I re

19、ally did my homework by myself this time. A. along B. of oneself C. alone D. have no time 6. People rescued the sleeping baby from the fire. A. took B. carried C. saved D. dug 7. Do you think one pill (药丸) can cure all kinds of disease in the future A. cancer B. illness C. stomachache(胃病) D. cold 8.

20、 Mr Green is a blind man. He always goes everywhere with a guide dog. A. cant hear B. cant smell C. cant see D. cant walk 9. Trees are important because they can take in harmful gases. A. make B. absorb C. stop D. put 10. Life is more convenient than before. A. easier B. harder C. the easiest D. the

21、 hardestIII、依据句意，用所给词的正确形式填空：1. Eating too much junk food is ( harm ) for our health.2. The camel(骆驼) is a ( use ) animal when you travel in the desert. 3. Jack, can you help me ( carry ) this heavy box4. Look! Mary and Lucy ( play ) badminton on the playground.5. Look! She ( lie ) under the tree, l

22、ooking into the sky.6. A: Where are the students B: They ( have ) a music class.7. Ma Yun is a ( success ) man.8. I cant speak ( France ) thought I have lived in France for several years.9. It is ( help ) for us to learn another foreign language.10. Lets go ( ski ) on the weekend.11. Children are all ( cheer ) on Childrens Day.12. We need water in our ( day ) lives.13. Tim has been a fire ( fight ) for five years.14. We should stop ( pollute ) the earth.15. There are many ( leaf ) on the playground in autumn.