人教版英语八年级下册Unit1知识点知识讲解

1、Unit 1A1.advice n. 建议，忠告，劝告(1) advice 是不可数名词，表示“一条建议” “两条建议”“一些建议”可用： a piece of advice； two piece of advice； some advice(2) advice 作名词时的常用搭配： ask sb. for advice征询某人的建议 give sb. SOme advice= give SOme advice to S给某人提出一些建议 give advice OnSth在某方面给出建议 take (follow) On e'advice接受某人的建议e.g. He Often gi

2、ves us sOme advice.=He Often gives sOme advice tO us. 他经常给我们一些建议。例题： Your is very helpful. I guess I'll take it.A. secret B. advice C. promise D. purpose答案：B 秘密；建议；承诺；目标。由下句“我想我会采纳。”可知“你的建 议很有用”。2. What S the matter?怎么了 ？(1)该句用来询问对方所遇到的麻烦， 或医生及护士询问病人身体情况， 常与 with连用，后跟sb./sth.，意为“某人或某物怎么了 ？”e.g.W

3、hat' S the matter (With you)?你)怎么了 ？I lost my pen./I have a cold. 我把我的钢笔弄丢了。/我感冒了。(2)“(你)怎么了 ?”各种常见表达：What'Sthe matter (with you)?=What'Sthe trouble (with you)?=What'Sthe problem(with you)?=What'Swrong (with you)?=What'S up?=What happened?例题： Nick iS not at School. ?He haS a

4、cold.A. Who'S that B. What'S the matterC. How old iS he D. How much iS it 答案： B 句意： Nick 没来上学。怎么回事 ? 他感冒了。 此类句型中， matter， problem 前需加定冠词 the， trouble 前可加 the 或形容词 性物主代词； wrong 是形容词，其前不加任何修饰词。 此类句型中， what 即为句子主语，本身构成陈述语序，故当句子以宾语从句 身份出现时，不可将 be移至the matter/trouble/problem之后。3. have a StOmaChaC

5、he 胃疼(1)have +a( n)+名词，表示患某种病e.g. have a cold感冒have a toothache牙疼have a fever 发烧have a headache疼拓展：SOre与Pain也可用于表示疾病的短语e.g. have a sore throat(backknee)嗓子疼(背疼/膝盖疼 )have a Pain in the back(footk nee)背疼(脚疼 / 膝盖疼)StOmaChaChe可数名词，意为“胃疼；腹疼”，是由名词StOmaCh(W;腹部)加 ache疼痛)构成的复合名词。“身体部位+ache”构成疾病名称headache头疼too

6、thache 牙疼backache 背疼例题： Mom ， I . I 'm rSroy to hear that， dear. We muSt go to See the dentiSt right away.A. have a headache B. have a Stomachache C. have a toothache答案：C 由下文“dentist”可知孩子牙疼。4. foot n. 脚foot 作为可数名词用，其复数形式是 feet。e.g. ThiS kind of an imal has four feet 这种动物有四只脚。(1) 与foot变复数的变化形式相似的

7、词还有：tooth-teeth牙齿goose-geese鹅(2) on foot 步行，固定短语，相当于 walk。e.g. We Came here on foot.=We WaIked her我们走着来这儿的。5. fever n. 发烧e.g. Tom has a feve汤姆发烧了。(1) have a fever=have a temperature=r Un a feve发烧e.g. I had a temperature last ni gh 昨乍晚我发烧了。例题： Nancy took her temPerature and found she had a .A. cough

8、B. toothache C. cold D. fever答案:D 由上文“南希量了一下体温”可知发现她发烧了。(2) 拓展：have a high temperature/feve发高烧 6.lie v. 躺，平躺(1)lie 的各种含义： lie v.躺，位于，平放 lay-la in-Iyi nge.g. You should lie dow n 你应该躺下。HiS school lies in the north of the City 他的学校位于城北。 lie v.说谎 lied-lied-lyinge.g. He ofte n lies他经常说谎 lie n.谎言lies(复数)

9、e.g. He often tells lies 他经常说谎。例题： Look， there is a wallet on the playground.A. lieB. lyingC. layD. lain答案:B There bedoing sth.为固定句式，lie躺，位于，平放，其现在分词是 lying。(2)拓展： lay v. 下蛋，放置e.g. The hens Iay a IOt Of eggs every da母 鸡每天下很多蛋。PIeaSe lay the table before dinne饭前请摆好餐具。7. rest v. & n. 放松；休息(1) rest

10、作及物动词，意为“使休息”，作不及物动词，意为“休息”。e.g. You should rest your eyes after a lot of read in 在大量阅读之后，你应该休息一 下你的眼睛。I'm tired，and I Want to rest我累了，我想休息。(2) rest也可以作名词，have/take a rest=havetake a break意为“休息一下”。e.g. StUde nts have a rest/break after each less学生 们每节课后都休息一下。8. feel v. 摸起来(1) feel常用作系动词，其后跟形容词作表

11、语。其主要用法有： 表示某物摸起来给人的感觉，通常要以被摸之物作主语，不可用于进行时态。e.g. Your hand feels cold你的手摸起来很凉。Silk feels soft and smooth丝绸摸起来柔软平滑。 表示某人的感觉，以人作主语，可用于进行时态。e.g. I feel fine./l'm feeling fine.我感觉良好。/我现在感觉良好。(2) 归纳：常用的感官动词:feel摸起来，look看起来，sou nd听起来，taste尝起来， smell 闻起来。拓展：feel like +n.意为“摸起来像”e.g. ThiS wallet feels l

12、ike IeatherJ这个钱包摸起来像是皮的。例题： This bed soft and comfortable.A. sounds B. tastes C. feels D. smells答案： C 句意:这张床摸起来柔软而且舒服。9. without prep. 没有，缺乏(1)without 后接名词、代词宾格或 v.-ing 作宾语，其反义词为 with。e.g. We got there without any trouble.我们到了那儿，一路上没遇到任何麻烦。Can you finish your homework without him?没有他你能完成你的家庭作业吗 ?She

13、 left the room without saying a word.她一句话没有说就离开了房间。例题： The “ teacher-free exam” means that students take their exams teachers. Students must be more honest.A. withoutB. against C. through D. by答案： A 没有；反对；通过；被。由后句“学生们必须更加诚实” ，可知“ teacher-free exam”意思是没有老师监考的测试。拓展：WithOUt用于否定句，还可以表示条件，意为“如果没有”，相当于if

14、引导的否定条件句。e.g. We COuIdntliVe WithOUt air.=We couldn 'live if there Weren'tair.如果没有空气，我们就不能活。例题： Wyour help, I couldn'have PaSSed the exam.答案:WithOUt句意：如果没有你的帮助，我不能通过考试。10. hurt v.(使)疼痛；受伤(1) hurt-hurt(过去式)-hurt(过去分词)(2) hurt作及物动词，表示“使疼痛，受伤；使不快”，后接宾语。e.g. You hurt her feeli ngs because yo

15、u forgot her birthday.你伤了她的感情因为你忘记了她的生日。A boy hurt himself in P.E. class一个男孩在体育课上伤着自己了。(3) hurt作不及物动词，表示“感到疼痛”。e.g. My feet hurt.我脚疼。11. Whe n the driver SaW an old man IyingOn the Side of the road.，就在此时司机看到一位老人躺在路边。When引导时间状语从句，除常常有“当时”之意外，放在过去进行时构成的主句之后，还以为“就在此时 /那时； 突然” 相当于 at this/that time。e.g.

16、 He WaS just gett ing into the ShOWer Whe n the teleph Onerang.他正要去沐浴间，这时(突然)电话响了起来。例题： They Were playing SOCCer on the PIaygrOUndthe storm came.A. as soon as B. as long as C. Whe n D. while答案:C 句意：他们正在操场上踢足球，这时暴风雨来了。表示某一个动作正在 进行时，另一个动作突然发生，应用When,意为“在那时”。辨析： See sb. doing Sth看见某人正在做某事(看见动作正在进行)e.g.

17、 I SaW him playing the Piano in the music room just now. 我刚刚看见他正在音乐室弹钢琴。 See sb. do Sth看见某人做某事(看见动作全过程或经常性的动作)e.g. I ofte n See him play basketball after school.我经常看见他放学后打篮球。拓展：v. +sb. +doing/do的常见动词：一感(feel),二听(IiSten to, hear),四看(see, look at, watch, notice)例题 1: I See there two boys(PaSS) my hous

18、e every day.答案:PaSS句意：每天我都会看见这两个男孩经过我的房子。See sb. do Sthe为“看 见某人做某事”例题 2:1 tried to make Aliceher mind but I found it difficult.Well， I SaW youthat When I Went past.A. Changed; do B. Changes doing C. Change to doD.change； doing 答案 :D 句意：我尽力使艾丽斯改变她的主意，但我发现很难。哦，但我经过的时候，我看到你正在那样做。make sb. do Sth使某人做某事；S

19、ee sb. doing sth.看见某人正在做某事。12. get off 下车（1）get off的反义短语是get on “上车”。e.g. DOn'get on the No.8 bus不要上 8路公交车。He got off at Gua ngmi ng Road 他在光明路下车了。拓展：get的相关短语：get UP起床get on登上（公共汽车、火车等）get off下（公共汽车、火车、飞机）get in 进入（小汽车、出租车 ）get out of从（小汽车、出租车等）下来例题： Steven， we should the bus at the next stoP.A.

20、 get uPB. get offC. get toD. get in答案 :B 句意“斯蒂文，我们应该在下一站下车” 。13. to one's surPrise 让某人吃惊的是e.g. To his SUrPriSe the plan SuCCeedee让他吃惊的是，那个计划成功了。SUrPriSe及其派生词的相关用法： SUrPriSe 动词 SUrPriSe sb.e.g. I don 'twa nt to SUrPriSe her我 不想让她惊讶。 SUrPriSe 名词 to one'ssUrprise, give sb. a SUrPriSe in SUr

21、PriSee.g. Let's give Mom a SUrPriSe咱们给妈妈一个惊喜吧！ SUrPriSing形容词常修饰物e.g. What SUrPriSing news多么令人惊讶的消息呀！ SUrPriSed 形容词 常用人作主语，be SUrPriSed at sth. be SUrPriSed to do sth. be SUrPriSed that-e.g. I WaS SUrPriSed at the n ew我 对这个消息感到意外。 SUrPriS in gly 副词e.g. She looked SUrPriSi ngly wel I她看上去身体出奇地好。例题：

22、 How waS yoUr life in England?QUite different from here. , PeoPle there drink tea with milk.A. In my oPinionB. To my SUrPriSeC. At the beginning答案:B 在我看来；使我吃惊的是；at the begi nning （of）在（的）开始。由语 境可知，使我吃惊的是人们喝茶加牛奶。14. troUble n. 问题；苦恼troUble 常用作不可数名词，相当于 diffiCUlty ，意为“困难；苦恼” ，常用短语及 句式：（1）get （sb.） int

23、o troUble意为“（使某人）陷入困境”。e.g. If I don'tCloCk in before 9， I'll get into troUble！我要是9点前没有上班打卡，我就会遇到麻烦的。(2) be in trouble意为“陷入困境中”。e.g. NOW he is in trouble, We should go all Out to help him.现在他遇到了麻烦，我们应该全力以赴去帮助他。(3) have trouble/difficulty/problems With sth.=have trouble/difficulty/problems (i

24、 n)doing Sth表示“做某事有困难”。e.g. HiS son had trouble CIimbing UP the hill.他儿子爬这座山很困难。What'the trouble (With you)?(你)怎么了 ？例题：Sally is my best friend. She is alwaysthere Whenever I ' m.Yeah. A frie nd in n eed is a frie nd in deed.A. i n orderB. i n troubleC. i n PUbIiC答案:B按顺序；深陷困境；在公共场合。根据最后一句“患难中

25、的朋友才是真 正的朋友”可知每当“我”身陷困境时，朋友总是在帮助“我”。(5)拓展：trouble动词，表示“使烦恼，使忧虑；麻烦”。e.g. Could I trouble you to open the door能麻烦你开一下门吗？15. hit v.(用手或器具)击；打(1) hit-hit(过去式)-hit(过去分词)-hitting(现在分词)e.g. The boy hit the dog With a sto ne那男孩用一块石头打那只狗。(2) hit后接人或物的部位时，常用如下结构：hit sb./sth. on/in +咅E位e.g. She hit him on the

26、head With her UmbreIIa她用雨伞打他的头。注意：打在人体硬部位上用用介词on,软部位上用介词in ,且结构中的定冠词通常不可用物主代词代替。例题： Don't play near the Window. The broken glass may打到你的头).答案：hit you on the head.16. right away 立即；马上right away的同义词和同义短语分别是 immediately和right now/at once。e.g. He Set off right away heari ng the n ews听 至 U那个消息，他立即动身了

27、。例题： My father will leave for En gla nd at once.A. right away B. at times C. on time D. just now答案：A马上；有时；按时；刚才。句意：我父亲将马上离开去英国。1. taketo带去e.g. DOn 'worry. I Will take you to the bus stop.别担心，我将带你去公共汽车站。（1）辨析： bring带来（带到说话人的地方）e.g. Remember to bring your homework to school tomorrow. 记得明天把你的作业带到学校

28、来。 take拿走（拿到远离说话人的地方）e.g. Please take the books to the classroom.请把这些书拿到教室去。 Carry扛，搬（任何方向）e.g. Please carry the bag to my office. 请把这个袋子扛到我办公室。 fetch去取来，去拿来（往返取物）e.g. Don'tworry. I can fetch the key. 别着急，我能把钥匙拿来。例题： My parents usually me that park when I was young. Wealways enjoyed ourselves th

29、ere.A. took；toB. fetched；fromC. brought；toD. carried；from答案:A 从说话处带到别的地方；去 取；从别处带到说话人的地方； 从搬。（2）take的其他常用含义： take表示“乘坐某一交通工具”。 take表示“花费”，常用句型：It takes/took sb. some time to do Sth故某事花费某人多少时间。 take意为“买”，当决定要买某物品时，可以说“ I'll take it/them.”。 take表示“吃喝”时，与eat, drink，have意思相近；但表示“吃药”时，通 常只用 take。2. b

30、e USed to doing习惯于做 e.g. He is USed to gett ing UP earl他习惯于早起。辨析： be/get/become USed to doing“习惯于做”前者强调状态；后两者强调渐变的 过程，其中 to 为介词，后接动名词 doing。e.g. He has been Used to walking to school.他已经习惯于步行去上学。 USed to do “过去常常”，后接动词原形。e.g. He Used to go to work on foot.他过去常常步行上班。 be USed to do/for doing “被用于做 ”是被

31、动语态。e.g. He Used his knife to cUt off his arm.=His knife was Used to cUt off his arm. 他用刀子砍掉了他的胳膊。例题 1： I used to newspapers and watch TV after dinner. But now'Im usedto a walk.A. read；take B. read； takingC. reading； takingD. reading； take答案:BUSed to do Sth意为“过去经常做某事” ；be USed to doing Sth意为“习惯于

32、做某事”。句意：我过去晚饭后常常读报纸和看电视，但是现在我习惯散步。例题 2:Do you know What a Writing brush is?YeS. It'SUSed writing and drawing.A. withB. toC. forD. by答案:Cbe USed for被用来做，be USed by Sb被某人使用。3.run out 用尽；耗尽e.g. After a IOng walk，he ran OUtOf his Water长途跋涉后，他用尽了他的水。 辨析: run OUt是“动词+副词”型动词短语，主语通常是时间、食物、金钱等名词。e.g. HiS

33、 money soon ran OU他的钱很快花完了。 run OUtOf作及物动词用(=use up),后接宾语，主语通常是人。e.g. I have rUn oUt of my money before p ay d ay .在发工资的日子之前我已经用尽了 我的钱。注意：run out of 其愿意为“从中跑出”。e.g. LotS of StUdentS ran oUt of the claSSroom to See what had happened.很多学生从教室里跑出来看看发生了什么事。例题： I will go to buy Some paper. My paper haS .A

34、. gone out B. come out C. run out D. looked out答案:C出去；出版，出来；用完，耗尽；当心。句意：我要去买些纸，我的纸用完了。所以他用刀子将他的右臂切kni VeS。类似有:4.So he uSed hiS knife to cut off half hiS right arm. 去了一半。(1)knife 用作名词， wifewiveS 妻子 thief thieves 贼 lifeliveS 生命 leaf IeaVeS 树叶意为“小刀” ，其复数形式为wolf wolves 狼 shelf SheIVeS 架子 half halves 一半(

35、2) CUt off意为“切除，切断”，是由“动词+副词”构成的短语。后跟代词时，代 词应放于CUt和off之间。e.g. CUt off the Wire 切断电线CUt it/them off 把它 /它们切断(3) 拓展：与CUt有关的短语：CUt Up 切碎 CUt down 砍倒 CUt in line 插队 cutin two/half把切成两半cutinto PieCeS把切成碎片 5.so that 以便，为了(1)So that 引导目的状语从句，从句谓语动词常用情态动词 may/might/Can/CoUld 等。e.g. We Went early so that We

36、could get good Seat 为 了占到好座位，我们早早就去了。例题： I looked through my test paper again and again I wouldn't make anymistakes.A. so B. because C. so that答案 :C因此；因为；为了 句意：为了不会出现错误，我把试卷检查了一遍又一遍。(2) so that引导目的状语从句，当主句主语与从句主语一致时，可用“SO as to (inorder to)+动词原形”转化为简单句。e.g. He got up early so that he could catch

37、 the early bus.=He got up early in order to/so as to CatCh the early bu为 了赶早班公交车他起床很早。(3) so that还可以与 in order that 互换。e.g. He worked day and night so that/in order that he Could suCCeed. 他夜以继日地工作为的是成功。(4) sothat-表示“如此以至于”引导结果状语从句。e.g. The boy is so young that he Ca'ntgo to sChool. 这个男孩太小还不能去上学。

38、6. mean v. 意思是；打算；意欲(1) mean用作动词，意为“意思是”，后面可以跟that从句。e.g. Do you mean that ifsnone of my business你的意思是它与我无关吗 ？(2) 拓展： mean名词形式为 meaning,意为“含义；意思”，常用句型：What'sthe meaning of?。该句型可与 What doesdo mean?进行同义句转换。e.g. What's the meaning of the word?=What does the word mean? 这个单词是什么意思 ? mean to do打算做e

39、.g. I mean to go tomorrow， but my father will not allow me to. 我打算明天去，但我父亲不会允许我去。 mean doing 意味着做 e.g. Doing that means wasting time. 做那件事意味着浪费时间。7. deCision n. 决定；抉择decision 常用于短语 make a decision/decisionsS为“作决定”。make a decisi on to do sth.=decide to do sth.=make UP on Smi nd to do sth.决定做某 事。e.g.

40、He made a decisi on /decided to go to NeW York fin all最后他决定去纽约。 例题： It was very hard for me to make a , but I decided to leave my job.A. invitation B. decision C. Plan D. discussion答案 :B邀请；决定；计划；讨论。句意 :对于我来说做出决定很难，但我决定辞职8.control n.& v. 限制；约束；管理(1)be in control of 为固定短语，意为“管理；掌管” 。e.g. A teacher

41、 must be in COn trol Of his CIaS老师必须掌控好自己的课堂。WhO'in control of the PrOjeCt?谁是这个项目的负责人？拓展:control的其他相关短语：Under control在控制之下out of control失去控制Ue.g. EVerythi ng is Un der con trol 一切在控制之下。例题： The car was out of and hit a tree by the road.A. danger B. breath C. control D. Practice答案:C out of dan ger

42、脱离危险；out of breath上气不接下气；out of cont失控; out of PraCtiCe 疏于练习。9.keep on doing继续、重复做 e.g. Don 'keep on in terrupt ing me.另 S 老是跟我打岔。(1)句型： keep doing Sth一 直做某事e.g. KeeP smili ng.保持微笑。 keep sb. doi ng Sth让某人一直做某事e.g. I'm sorry to keep you Waiti ng对不起让你久等了。 keep on doi ng Sth继续/重复做某事e.g. He kept

43、 on Sitt ing dow n and Sta nding UP他重复坐下又站起来。(2)英语中后接 doing 作宾语的词 (组)：完成练习值得忙 finish，practice，be worth，be busy 继续习惯放弃 keep on，be used to，give up考虑建议不禁想 consider，sugges，t can'thelp，feel like 喜欢思念要介意 enjoy，miss，mind10. because of 由于（1）辨析： because接从句e.g. He is abse nt because he is ill toda他今天缺席，因为

44、他病了。 because o接名词，代词或动名词e.g. He is abse nt today because of his ill nes他今天缺席，因为他病了。例题： We didn'thave a sports meeting yesterday the heavy rain.A. because B. unless C. because of D. across from答案:C句意：因为下大雨，昨天我们没有开运动会。介词 of之后应跟名词。 because因为）和so（所以）不能同时出现在一个英语句子中，只用其一，类似的 词还有although（虽然）和but（但是）。e.

45、g. Although he was tired， he still worked hard.=He WaS tired，but he still WOrked hard.虽然他很累了，但他仍然努力工作。11. give up 放弃(1) 后接名词、代词或动词-ing形式。e.g. YOu ShOuIdntgiVe UP running.你不应该放弃跑步。例题： YOU shouldsmoking. IfS really bad for your health.A. PUt UP B. give UP C. get UP D. Set UP答案:B搭建；放弃；起床；建立。句意:你应该放弃吸烟 吸烟真的有害身体健康。(2) up在此短语中是副词，故give UP与代词连用时，代词需放中间。e.g. I find it too difficult to learn English well. I Want to give it up.我发现学好英语很难。我想放弃它。(3) 拓展:give其他相关短语：give away赠送give back归还； 恢复 give in 屈服give off发出；放出 give out分发12. 情态动词should的用法(1)