人教版八年级上册上英语unit7详细知识点.doc

人教版八年级上册上英语unit7详细知识点Section A1. People wont 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. Do (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。【解析2】free adj. (1) 免费的 Children under five are free on buses. (2) 自由的 be free = have time paper. 书将只会在电脑上出现,而不是在纸上。【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 will 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【 辨析】：more,less 和fewer原级many/muchfewlittle比较级more fewerless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 waterfewer men; fewer books less milk ;less money5.There will be more pollution. 将会有更多的污染。【解析】pollute v 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 _6. Will people use money in 100 years?【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( ) _ a week. A. After B. In C. Before D. For7. I think 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 building8. 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 be9. Do you think there will be robots in peoples home. 【解析】in peoples home 在家里10. There will be fewer trees and the environment will be in great danger. 【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”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 in fear 害怕11. Will we have to move to other planets?【解析1】have to “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 = neednt【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.12. Books will only be 书籍将只（存储）在电脑上,而不是（印刷） 在纸上。【解析】 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 Internet 在网上 【解析】 live v 居住,生存,活着(1) live to be +基数词+ years old “ 活到岁”( ) 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(3) live by 靠(手段) 谋生( ) The old man lives _ teach 。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 building. A. in; in B. in; on C. on; in D. in ;by14. 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 15. We can use less water and plant more trees. Everyone should play a part in saving the earth.【解析1】plant trees 植树【解析2】play a part in sth / doing sth 参与做某事16. 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”。in the future 在将来 ,用于将来时态 in future = 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.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 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 future17. 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】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”Section B &Self Check1. on a space station. 在太空站(1) space 不可数名词 , “空间, 太空” in space 在天空(2) room 可数名词,“房间” 不可数名词,“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 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 ; place2. For example ,scientist James White thinks that robots will never be able to wake up and know where they are.比如, 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 Were able _(have) our own robots. (2) can 情态动词,无人称和数的变化,过去式could3. However, they agree it may take hundreds of years. 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”(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”【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 students4. They help with the 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(1) help sb. do sth. =help sb. with sth. 帮助某人做某事(2)with the help of sb.=with ones help在某人的帮助之下(3)without the help of 没有在的帮助之下(4)cant help doing sth 情不自禁的做某事(5) help oneself to 请随便吃【解析2】 do housework = do chores 作家务 Mrs. White does a lot of _(housework) every day.5. Scientists are now trying to make robots look like humans and do the same things as we do.【解析1】try v 试图,努力, 尽力做某事 try on 试穿 try out 试用 have a try = want a go 试一试 (1) try to do sth 尽力做某事 (2) try doing sth 试图做某事 (3) try ones best to do sth= do ones best to do sth 竭尽全力做某事【解析2】make sb. do sth 使某人做某事 seemed impossible 100 years ago. 【解析1】 seem 系动词 “似乎,好像” (1) seem +adj. He seems very angry. (2) seem +n He seems a nice man. (3) 与like连用 seem like “好像” It seemed like a good idea. (4) seem to do sth He seems to be happy. (5) It seems that “看起来好像, 似乎” 【解析2】Possible adj. “可能的” impossible adj. “不可能的” as as possible = as as sb. can “尽可能” as soon as possible 尽可能快（指时间） as fast as possible 尽可能快（指速度） as quickly as possible 尽可能快（指动作7. Fewer people will do such jobs in the future because they are boring , but robots will never get bored.将来,更少的 【解析】 bore boring adj. “令人厌烦的,厌倦的”,其主语多是物 bored adj. “厌烦的,厌倦的” , 其主语多少人8. As a reporter, I think I will meet lots of interesting people.as 作为,以身份 as a teacher 作为一个教师. meet metmet v 相遇,遇见9. Ill probably just keep a bird. 我可能会养一只鸟。【解析】keepkeptkept v 饲养 keep a cat (1