人教版八年级上册上英语unit7详细知识点

1、 section a1. people wont use money . everything will be free. 一切都将免费的。everything is possible. 一切皆有可能() _ everything ok, lucy? no, my english is not as good as chinese.a. isb. doesc. ared. dochildren under five are free on buses.a piece of paper 一张张 two pieces of paper 两张纸(less than 少于【解析】few fewer f

2、ewest adj.较少的（修饰可数名词复数【 辨析】：more，less 和 fewermany/muchfewlittlelessmorefewer较多的，更多的修饰可数和不可数名词more cars;more waterlook! the _(pollute) is becoming worse and worse in this city.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( ) my mother has gone to hong kong. she will be back _ a

3、week.a. after( ) how soon will you come back?a. after b. inc. befored. for() we have been planning _ a bridge.a. build b. to build8. there will b e（ more / less/ fewer） pollution. 将会有更多/更少的污染c. buildingd. to building though many of the young people has realized _, they dont want to give up smoking.

4、(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 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 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(1) live to be +基数词+ years o

5、ld“ 活到岁”() he is sure to live _ ninety years old. a. tob. to be c. ind. a and b( ) the old man lives _ teach 。a. in(4) live in +地点 居住在某地b. onc. byd. withd. a; a【解析 2】play a part in sth / doing sth 参与做某事16. i sometimes see blue skies in my city, butin 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 “

6、将来，未来”。in the future 在将来 ，用于将来时态in future = from now on 从今以后在将来；在未来 指距离现在时间较长的某一时间今后；以后指距离现在时间较短的将来的() what do you want to be _ when you grow up ? (2. for example ,scientist james white thinks that robots will neverbe 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

7、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 could(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”hundreds of + n 复数thousands of + n 复数【记】： 具体不加 s 也不加 oftwo hundr

8、ed students(4)cant help doing sth 情不自禁的做某事(5) help oneself to 请随便吃mrs. white does a lot of _(housework) every day.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 6. this was not possible 20 years ago, but computers and rocketsseemed impossible 100 years

9、ago.【解析 1】 seem 系动词 “似乎，好像”(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”7.fewer people will do such jobs in the future because they areb

10、oring , 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keep (on) doing sth 继续做某事keep sb. doing sth 使某人一直做某事keep sb. from doing sth 阻止某人做某事(2) keep 系动词 “保持某种状态”keep healthy 保持健康 keep quiet 保持安静keep a secret 保密keep silence 保