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1、人教版八年级下册英语第四单元知识点Unit 4 Why don t you talk to your parents?一、重点短语1. offer to do sth.主动提出做某事2. so that以便3. hang out with sb,与某人闲逛 4. cut out 删除5. get into a fight with sb.与某人吵架/打架 6. until midnight直到半夜7. mind sb doing sth介意某人做某事8. too many太多9. get enough sleep 有足够的睡眠 10. study too much 学得过多11. write
2、sb. a letter给某人写信12. call sb. up打电话给某人13. surprise sb.令某人惊讶 14. look through 翻看15. be angry with sb.生某人的气 16. a big deal 重要的事17. work out成功地发展;解决18. get onwith相处不睦19. fight a lot经常吵架/打架20.hang over 笼罩21. refuse to do sth.拒绝做某事 22. have free time 有空闲时间23. allow sb. to do sth.允许某人做某事24. talk to sb.与某人
3、交谈25. give one s opinion 提出某人的观点 26. in future 今后27. make sb. angry 使某人生气 28. worry about sth 担心某事29. after-school classes 课外活动课 30. be oneself 做自己31. family members 家庭成员 32.spend time alone独自消磨时光33. give sb. pressure 给某人施压 34. have a fight with sb.与某人吵架35. compete with sb.与某人竞争 36. free time activi
4、ties 业余活动37. get better grades 取得更好的成绩 38. all the time一直39. learn exam skills 学习应试技巧 40. practice sports 体育训练41. copy one s homework 抄某人的作业 42. cause stress造成压力二、知识点解析1. allow sb. to do sth.“允许某人做某事”，也可以是allow sb. sth. 其被动语态是“主语+be allowed to do sth. ，“某人被允许做某事” 例题：My parents didn t allow me to the
5、 party.A. go B.to goC. Goes D.went2. What s wrong (with sb.)?二What s the matter?询问“某人怎么了” eg. :What s wrong withyou?1 don t feel well.wrong作形容词，意为“有毛病的，错误的”。近义词：false错误的incorrect 不正确的。反义词：right正确的correct正确的eg. :There s something wrong with my bike.3. till, until用于肯定句时，主句的动词用延续性动词， 它所表示的动作一直持续到till或u
6、ntil表示的时间为止，意为“直 到为止”We 11 waituntil the rain stops.用于否定句时，主句的动词一般是非延续性 动词，它所表示的动作直到till或until所表示的时间才发生，意为直到（才）”They did not return home until it began to rain.例题：Julie didn t leave her office thepolice arrived.A. However B.wheneverC. while D.until4. why not do sth. ?=why don t you do sth. ? “为什么不做某
7、事呢？例题：We can invite Nick and Norato Shanghai Disneyland with us.pI 11 give them a call right now. 5. look的短语小结 look through翻阅,浏览look over仔细检查look for寻找 look after 照顾 lookaround环顾，往四下看look down向下看lookup向上看，查阅look up to仰慕，看得起lookout小心look down on 看不起 look forwardto 期待 look at 看例题：1 found my sister myt
8、hings and took my new magazines. What should I do?1 guess you shouldtell her it s not right.A.lookingthrough B.looking up C.looking forfindsb. doing sth.意为“发现某人正在做某事”I found mysister with her friends in the garden.A. plays B.playingC. played D.to play6 .辨析so that意为“以便；以使”，引导目的状语从句Sothat表示“如此. .以至于”，
9、so后跟形容词或副词，that 后引出结果状语从句Suchthat意思和so.that相同，但such后跟名词，so后跟形容词或例题：Where is Tom?He ispracticing English he can win the speechcompetition.A.to speak;in order to B. speaking;so that C.speaking;in order to D. to speak;so that 7. although, though, even though都可以用来引导让步状语从句，它们都不能和 but同时使用。例题： Mike didn t
10、win the race, he was still wearing a smile on his face.A. If B.SinceC. Although D. Because8. out的短语小结point out 指出 goout出去run out用完find out发现，查明take out取出，掏出turn out结果是work out解决（问题），改善（状况）例题：1 believe that you canthis problem by yourself.Thank youfor your encouragement.A. work out B.take outC. turn
11、out D. run out9. get on with=get along with 和睦相处，关系良好geton/along well with sb.和某人相处得很好 例题：We should think more of others if we want to them.A.get on well with B. hear ofC. get ready for D. hear from10. argue with sb.和某人争吵，和某人争论Don t try to him until he s cooled down.11. whatever二no matter what 无论什么，
12、不管什么 eg. :Whatever you say, I won t believe you.12. offer 的搭配:offer sth. to sb. =offer sb. Sth,给某人提供某物、 Theyoffered us some tent （帐篷）.二They offered some tents to us. offerto do sth.主动提出做某事 He offered to take me to the museum. 例题：How s Bob now?I hear the company him a very good job, but he turned it
13、down.A. Donated B. servedC. offered D.Introduced13. communicate with sb.和某人交流,和某人沟通名词形式:communication 例题：After you argue with your parentsyou must （交流）with them and explain why you did that.14. mind sb. doing sth.介意某人做某事 minddoing sth.介意做某事例题：The movie is so interesting. I don t seeing it again tomo
14、rrow.A. enjoy B. mind C. keep D. Finishpete with和竞争 competeV.比赛，竞争 competition n.比赛，竞争 competitive adj.比赛的，竞争的 16. cut的短语小结 cut out删除，删去cut up切碎cut down砍倒 cut off 切掉 cut in打断，插嘴例题：You can the unimportantdetails.17. quick adj.快的,快速的quickly adv.快速地 近义词：fast adj.快的rapid adj.迅速的 反义词:slow adj.慢的slowly ad
15、j.缓慢地 例题：Excuse me, would you please speak a little more?Sorry, I thought you could follow me.A. sadly B. quicklyC. politely D.slowly18. continue to do sth. =continue doing sth.继续做某事（者意义相同，没有区别）19. comparewith把与相比例题：When youyourself withothers, you miss the wonder of who you are.A. compare B. commun
16、icateC. contact D.Connect20.重点难点全解 until,so that和although引导的状语从句 until意为直到为止，到时”。 Continuein this direction until you see a sign. 一直朝着这个方向走直到你看到一个指示牌。Ididn t wake upuntil I heard the alarm clock.直到听到闹钟的铃声我才醒来。 例题：Dad, when did you come back from the farmland yesterday?Well, I didn t come back the ra
17、instopped.A. while B.until C. Becausesothat引导的目的状语从句SOthat意为“为的是，以便”，引导目的状语从句。 注意so that, in order that和in order to在用法上的区别。Letme take down your telephone number so that I can call you later.（同义 句）例题：My mother gets up at five everyday she can prepare breakfast for us.A. in order to B.so that C. ifalt
18、hough引导让步状语从句，意为“虽然，尽管”.例题：I live in a safecommunity, I still feel worried when I go out at night.A. Although B.Since C. Until21.易错易混全解elder, olderelder指“年长的”，常修饰人，用来表示出生顺序的先后和年龄的长幼，常作 定语，不可用于than引导的比较状语从句。older指“年纪较大的，较老的，较旧的”，修饰人或物都行。既可作定语，也 可作表语，可用于than引导的比较状语从句。例题：Do you know that China is one of countriesin the world?Yes, I do. It s much than the US.A. Oldest, older B.The oldest, olderC. The oldest,elder D.The older,elder