2022年初二英语上册知识归纳 .pdf

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1、初二英语上册第七单元知识归纳第 1 页 共 27 页Unit7 Will people have robots? 知识归纳：1.People won t use money . Everything will be free. 一切都将免费的。【解析 1】everything pron. 每件事物 Everything is possible. 一切皆有可能【注】不定代词的用法：(1) 不定代词做主语，谓语动词用单数_ everything OK, Lucy? No, my English is not as good as Chinese. A. Is B. Does C. Are D. D

2、o I m leaving for the exam.Bye-bye,Mum. Well,make sure youve got _(everything/nothing)ready. Our mother earth gives us _ we need in our daily life. A. nobody B. nothing C. everybody D. everything (2) 形容词修饰不定代词时，放在不定代词之后There is nothing serious 没什么要紧的。.-Tom, supper is ready. -I dont want to eat_ ,Mum

3、. Im not feeling well. A. everything B. nothing C. something D. anything 【解析 2】free adj. (1) 免费的 Children under five are free on buses. (2) 自由的 be free = have time ( ) Will you _ tomorrow night? A. be free B. for free C. free for D. free 2. Books will only be on computer , not on paper.书将只会在电脑上出现，而不

4、是在纸上。【解析】 paper n 纸张（不可数名词）a piece of paper 一张张 two pieces of paper 两张纸 “试卷；论文；报纸(newspaper) 时， 是可数名词a test paper 一张试卷 a newspaper 一张报纸paper money 纸币 paper tiger 纸老虎( ) He had something to write down and asked me for _. A. a paper B. some papers C. some pieces of papers D. a piece of paper3. There w

5、ill be less free time. 将会有更少的时间。【解析】 littleless least adj. 少的（修饰不可数名词 less than 少于. _exercise you take, _youll be.A. The fewer, the fatter B. The less, the fatter C. The less, the more fatter 4. Will there be fewer trees? 树木会更少吗？【解析】 few fewer fewest adj.较少的（修饰可数名词复数）名师资料总结 - - -精品资料欢迎下载 - - - - - -

6、 - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 27 页 - - - - - - - - - 初二英语上册第七单元知识归纳第 2 页 共 27 页【 辨析】 ：more，less 和 fewer 原级many/much few little 比较级more fewer less 词义较多的，更多的较少的，更少的较少的，更少的用法修饰可数和不可数名词仅修饰可数名词仅修饰不可数名词例词more cars; more water fewer men; fewer books less milk ; less money 【小结】 more

7、是 some、many 、much的比较级，所以 more后可以接可数名词复数和不可数名词； fewer 是 a few 的比较级，所以fewer 后只能接可数名词复数；less 是 a little 的比较级，所以 less 后只能接不可数名词。There will be more robots in the future. 未来将会有更多的机器人。There will be more pollution in the future.未来污染会更多。There will be fewer jobs for people because more robots will do the same

8、 jobs as people. 人们将会有更少的工作，因为将会有更多的机器人做和人类同样的工作。In 50 years, people will have less free time because there will be more things to do. 50 年后，人们将会有更少的空闲时间，因为要做的事情会更多。To live a green life, we should try to save _ energy and produce _ pollution. A. more; less B. less; more C. more; fewer D. most least

9、If there is _ pollution, the air in our city will be _dirtier. Aless; more Bmore; much Cless; less Dmore; more Many people eat_ meat than they did before. Yes, that s why they re getting fatter and fatter.A. more B. less C. fewer D. much Remember this , children. _careful you are , _mistakes you wil

10、l make . We know , Mr. Li . A. The more; the more B. The fewer; the more C. The more; the fewer D. The less; the less 5. There will be fewer trees and the environment will be in great danger.树更少，而且环境处于极大危险中。基本用法in danger指的是 “ 处于危险中 ” ，如果要表达 “ 处于.的危险中 ” ，可以用 in danger of. More and more wild animals a

11、re in danger because they have lost their living places. 越来越多的动物处于危险中，因为他们失去了生存的地方。He was in danger of making a mess of this. 他很可能把事情弄得一团糟。6.alone adj. &adv. 与 lonely 1. =by oneself 独自的 /地；孤独的 /地； 独立的 /地He likes living alone. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - -

12、- - 第 2 页，共 27 页 - - - - - - - - - 初二英语上册第七单元知识归纳第 3 页 共 27 页I mended the bike alone. 2. and no other 只有。唯有(跟在名词或代词后面 ) Mr Smith alone knows what happened. You alone can help me in the work. 注意： alone 强调客观上 独自，单独一人 。lonely adv. 1. 作表语。其意思为孤单 He feels lonely. (作表语 ) 2. 作定语，修饰表示处所的名词。The old man lives

13、 in a lonely mountain village. 注意： alone 强调客观上的独自。单独一人 , 而 lonely 除表示单独外，还带有感情色彩，形容失去朋友，缺乏友爱和帮助，感到寂寞、甚至悲哀，它只能做形容词，在句中做表语，也可做前置定语，用于地点时，意为荒凉的，偏僻的 Though the old man is alone, he doesnt feel lonely 7.There will be more pollution . 将会有更多的污染。【解析】 pollute v. 污染，玷污，亵渎（过去式：polluted 过去分词： polluted 现在分词：poll

14、uting 第三人称单数：pollutes）pollution n 污染（不可数名词）air pollution 空气污染noise pollution 噪音污染water pollution 水污染white pollution 白色污染Look! The _(pollute) is becoming worse and worse in this city. Air pollution has become_ than ever before. We must do something to stop it. A.serious B.more serious C.most seriousD

15、. the most serious 8. Will people use money in 100 years?一百年以后人们用钱吗？【解析】 “ in+ 一段时间 ” “在 以后” 用于一般将来时对“in+ 一段时间 ” 提问，用 how soon (多久以后 ) 提问( ) My mother has gone to Hong Kong. She will be back _ a week.A. after B. for C. in D. from ( ) How soon will you come back? _ a week. A. After B. In C. Before D.

16、 For _will Eric s aunt be back? In half an hour. A. How soon B. How often C. How l ong in 100 years 100 年以后in 与 after 的区别in 是指以现在时间为起点的“在一段时间以后”。也可以表示“在将来多少时间之内” ， 句子中的谓语动词要用一般将来时态；after 常指以过去时间为起点的 “一段时间之后”，所以它与过去时态连用。当after指某个特定的未来时刻或日期之后，或指以将来某一时间为起点的若干时间之后时，它可以与将来时态连用。例句： Ill be back in half an

17、hour. 我半小时后就回来 . 本句中的 in 作以后解，不能用 after 代替。after 和 in 都可以表示 以后的意思，其区别是：1）after 以过去为起点，表示过去一段时间以后，常用于过去时态的句子。例如：They started working after lunch. 他们是午餐后开始工作的。The film was shown after the meeting. 电影是会议结束以后放的。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 27 页 -

18、- - - - - - - - 初二英语上册第七单元知识归纳第 4 页 共 27 页2）in 以现在为起点，表示将来一段时间以后，常用于将来时态的句子。如：They will start working in half an hour. 他们将在半小时后开始工作。The film will be shown in 2 or 3 days. 这部电影将在两三天后上映。3）在某个特定的时间以后，after也可用于将来时态的句子。例如：They will start working after 10 am. 他们将在上午 10 点以后开始工作。The film will be shown after

19、 5 oclock. 这部电影将于 4 点以后上映。4) “after+一段时间 ” 或“ 一段时间 +later”表示 “ （在过去某个时间看来） 一段时间之后” 。He went home after two days. 他两天后回家了。Three years later ，she had a baby. 三年后，她生了一个婴儿。Later 是副词，表示 一段时间之后 ，构成 一段时间 +later 短语，用于过去时；如果单独使用，可与将来时或过去时连用。例句： Nine months later they were discovered. 九个月之后，他们被发现了。9. I think

20、there will be more tall buildings. 我认为将会有更多的高楼大厦。【解析】 build built built v building n 建筑( ) We have been planning _ a bridge. A. build B. to build C. building D. to building 10. There will be（ more / less/ fewer） pollution. 将会有更多 /更少的污染【解析】 There be句型的将来时态：(1)There is going to be (2)There will be肯定句T

21、here will be否定句There will not/ won t be 一般疑问句及回答Will there be?Yes, there will/ No, there wont be特殊疑问句特殊疑问词 + will there be?There _a sports meet in our school next week. A. is B. will have C. are D. will be Mike，you look so excited！Yeah! There _ a tennis game played by Li Na this evening. A. will hav

22、e B. is going to be C. is going to have D. are going to be . Mike，you look so excited！Yeah! There _ a tennis game played by Li Na this evening. A. will have B. is going to be C. is going to have D. are going to be There _ be a fashion show in our town tomorrow. A. are going to B. will have C. has D.

23、 is going to 11. Do you think there will be robotsin peoples home.你认为人们的家里会有机器人吗？【解析】 in people s home在家里12. There will be fewer trees and the environment will be in great danger. 将会有更少的树木，环境将会处于非常危险的状态。【解析】 danger n 危险 dangerous adj. 危险的in danger “ 处于危险中 ”【反义词】 out of danger“脱离危险 ”名师资料总结 - - -精品资料欢

24、迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 27 页 - - - - - - - - - 初二英语上册第七单元知识归纳第 5 页 共 27 页. Don t get close to the big dog. Its_ (危险的 ). Though many of the young people has realized _ , they dont want to give up smoking. (吸烟的危害 ) 【拓展】 in need 急需；in trouble 处于困境in fact 事实上

25、in fear 害怕Though many children get Mr. Guos help, _（事实上） ，his family is not rich enough. .That is a monkey on his back.Lets help him. A.He has a monkey B.He likes playing with the monkey C.He is in trouble D.He is good at studying 13. Will we have tomove to other planets? 我们将不得不搬到其他星球吗？【解析 1】have to

26、 “必须” ，后接动词原形，强调被迫性，有人称和数的变化。否定形式：dont have to /didnt have to = needntDad, must we wait until the light becomes green? Yes, Im afraid we_ .Thats the traffic rul e. A. can B. may C. have to D. need 【解析 2】move to + 地点搬到某地（如果接地点副词， to 要省略）He moved there last year. .be like 像. 样子What the weather will be

27、 like tomorrow? move to 搬到某地He is going to move to shanghai in the future. move 移动He saw a strange thing moving in the sky 14.Books will only be on computer. not on the paper. 书籍将只（存储）在电脑上，而不是（印刷）在纸上。【解析】 on computer 用计算机，通过计算机on 的用法：on +电器或媒介on TV 通过电视on the phone 在电话中on the radio 通过无线电on the Inter

28、net 在网上 Maybe you should call him up. But I dont want to talk with him_ the phone.A. on B. at C. in D. with 15.People will live to be 200 years old? 人们将会活到 200 岁吗？【解析】 v. live 活，生活（过去式：lived 过去分词： lived 现在分词： living 第三人称单数 : lives）He lived to see the first talking pictures. 他在有生之年看到了最早的有声电影。相关句型 /结构

29、(1) live to be + 基数词 + years old “ 活到 岁”People will live to be 200 years old. 人们将能活到200 岁。( ) He is sure to live _ ninety years old. A. to B. to be C. in D. A and B (2) live on sth. “靠 为生 ” live on sb. 靠某人生活Most of Asians live on rice. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理

30、- - - - - - - 第 5 页，共 27 页 - - - - - - - - - 初二英语上册第七单元知识归纳第 6 页 共 27 页多数亚洲人以大米为主食。(3) live by 靠(手段 ) 谋生( ) The old man lives _ teaching. A. in B. on C. by D. with (4) live in + 地点居住在某地(5) live on + 具体某一层He lives on the eighteenth floor. ( ) Where do you live? I live _ the tenth floor _ the tall bui

31、lding. A. in; in B. in; on C. on; in D. in ;by 16. But I want to live on the earth. 但是我想住在地球上。【解析】 on the earth 在地球上【注】世界上独一无二的事物前必须加定冠词the on earth 究竟，到底( ) The teacher said _ earth moves around _ the sun. A. an; a B. an; the C. the; the D. a; a on the earth “ 在地球上 ” ，作地点状语，位于句首或句末。on earth 作“ 到底；究

32、竟 ” 讲时，常放在 what，when 等疑问词之后，以加强问句的语气。17. We can use less water and plant more trees. Everyone should play a part in saving the earth. 我们可以节约用水，多种树。每个人都应加入到拯救地球的行动中【解析 1】plant trees 植树A lot of trees _around here every year ，and we can enjoy fresher air now Awere planted Bare planted Cwill plant Dare

33、planting 【解析 2】play a part in sth / doing sth 参与做某事基本用法play a part in表示“参加， 参与” ，常用于参加讨论、 旅行、比赛、战斗、庆祝等群众性的活动，其用法等同于 take part in。如：Its the first time to play a/take part in the activity. 这是第一次参加这个活动。play a part in 还表示”起 .作用“。Internet plays a very important part in peoples life now. 因特网在人们现在的生活中起着很重要

34、的作用。18. I sometimes see blue skies in my city, but in the future.我有时在我们的城市看到我们的蓝天，但是在未来. 【解析】 future n “ 将来，未来 ” 。He was making plans for the future. 他正在为将来制订计划。future 经常用于短语 in the future 中，表示：在未来。用于将来时态No one can tell what will happen in the future. 谁也无法预见到将来会发生什么事。in the future 在将来 ，用于将来时态in futu

35、re = from now on 从今以后in the future 在将来；在未来指距离现在时间较长的某一时间I think I will be a lawyer in the future. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页，共 27 页 - - - - - - - - - 初二英语上册第七单元知识归纳第 7 页 共 27 页in future 今后；以后指距离现在时间较短的将来的某一时间，相当于from now on I will work hard in

36、 future. 【记】长（ in the future）的长（距离现在时间长）短（in future） 的短（距离现在时间短）( ) What do you want to be _ when you grow up ? An actor, I think. A. in future B. in the future C. at the future D. on the future 19. Families usually spend time together on weekends, but maybe in 200 years家庭成员通常在周末共度时光，但或许在200 年后【解析】

37、in + 时间段 “ 在之后” ，常用于一般将来时对“in + 时间段 ” 提问用 how soon, “多久以后 ”_ can you finish this English exam? In about one and a half hours. A. How far B. How often C. How soon D. How long 20.辨析： some times sometime some time sometimes some times 几次（倍） He has been to shanghai some times sometime 某时Maybe we can tal

38、k about it sometime next week sometimes 有时候Sometimes he goes to school by bus. some time 一段时You can watch TV for some time after finishing homework. Section B &Self Check 21. on a space station. 在太空站n. space 空间，太空，一般情况下不与冠词连用，但如果space前有表示太空状况的形容词（如 dark,cold, airless等）修饰，则可与冠词连用。如：The earth travels

39、around the sun in space. 地球在太空中围绕太阳旋转。(1) space 作 太空 讲时，是不可数名词； 作 空间，空地 讲时，可与 room 互换。in space 在天空(2) room 作 房间 讲时是可数名词；作 空间，地方 讲时是不可数名词，指可以容纳东西或其他目的而可占据、使用的空间。 make room for. 为.腾出空间There isnt enough _ for us in the lift.No hurry. Lets wait for the next .A. ground B. floor C. place D. room (3) place

40、 可数名词，指某一具体 “ 地方，地点 ”( ) Is there any _ for me? I want a good_. This way, please A. space; room B. room; space C. place; room D. room ; place 22. Today there are already robots working in factories. 现在已经有机器人在工厂工作了。 already 基本用法adv. already 已经，常位于句中，在实意动词之前，be动词、助动词之后。如：He already knows it. 他已经知道了这件事

41、。I have already decided to do the job. 我已经决定做这份工作。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 7 页，共 27 页 - - - - - - - - - 初二英语上册第七单元知识归纳第 8 页 共 27 页23. For example ,scientist James White thinks that robots will never be able to wake up and know where they are. 比如

42、，科学家詹姆斯。怀特认为机器人不能够自己醒来并知道自己身在何处。【解析】 be able to/ can能(1) be able to 能够， 会 ，后接动词原形有人称、时态和数的变化We re able _ _(have) our own robots. (2) can 情态动词，无人称和数的变化，过去式could be able to 与 can ：相同 点：两者后跟原形动词。区别：1. can是情态动词，无人称与数的变化。过去式是could. be able to 可与情态动词连用， can却不能。, I shall be able to speak English well. 2. b

43、e able to 可用在不定式之后，而can却不能。, I hope to be able to go shopping with you on Sunday. 3. be able to 的过去式还有表示过去经过努力而做到的意思，而could 没有这种意思。He studied hard and was able to pass the exam. 4. can 表示请求和允许，以及猜测，而be able to 却无此用法。, Mr Smith cant be at home. Can I carry your bag? 5. 当表示现在或过去的 能力时，两者可通用。, No one wa

44、s able to/could answer the question. -Pauline has lost her phone. No. Its in her bag. I _ hear it.A. must B. can C. may D. shall 24. Some scientists believe that there will be more robots in the future. 有些科学家相信将来会有更多的机器人。believe基本用法v. believe 相信；认为（过去式： believed 过去分词： believed 现在分词： believing 第三人称单数

45、：believes）常用于如下结构中：believe sb. 相信某人说的话believe sth. 相信某事的真实性believe (that) 从句表达一种想法，其中that 可省略。Do you believe his story? 你相信他说的话吗？I believe that he has left? 我认为他已经离开了。知识拓展 -相关句型I believe not. 我认为不会的。I believe so. 我认为是这样。注意： believe的宾语从句若是否定式，需发生“否定前移”，其用法同 think。I dont believe he is telling the trut

46、h. 我认为他没有说实话。25. However, they agree it may take hundreds of years. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 8 页，共 27 页 - - - - - - - - - 初二英语上册第七单元知识归纳第 9 页 共 27 页然而，他们一致认为这可能要花费数百年的时间。【解析 1】agree v 同意 agreement n 同意(1) agree with sb. “同意某人 ” 或 “ 某人的意见看法 ” The

47、 summer holiday is on the way. Well have more freedom. _. But we should learn to manage ourselves. I d love to B. I agree with you C. I m afraid I wont(2) agree to do sth . 同意做某事I agree to meet him tomorrow. (3) agree on+ 计划 “ 就取得一致意见 ”I think students should have mobile phones to call their parents

48、. _. They often use them to play games instead. A. I hope so B. I dont agree C. No problem D. Good idea 【解析 2】 hundred 百thousand 千 million 百万+ n 复数hundreds of + n复数thousands of + n 复数【记】 ： 具体不加 s 也不加 of two hundred students 不具体的加 s ，也加 of hundreds of students How many people were invited to the meet

49、ing? About six _. A. hundred B. hundreds C. hundred of D. hundreds of We planted _ trees last year. A. hundreds of B. hundred of C. five hundred D. five hundred of Sam enjoyed collecting. He has collected over three _stamps. A. hundred B. hundreds C. hundred of D. hundreds of 26. They help with the

50、housework and do jobs like working in dirty or dangerous places. 它们帮着做家务，以及做一些在肮脏或是危险环境中从事的工作。【解析】 help v 帮助 helpful adj. 有帮助的A little wine will not be _ to your health. Just dont drink too much.A. helpful B. helpless C. harmful D. harmless help sb. do sth. =help sb. with sth. 帮助某人做某事.I can t find m