人教版八年级英语上册Unit7知识点.docx

人教版八年级英语上册 Unit7 知识点
短语归纳
on computer 在电脑上
on paper 在纸上
live to be 200 years old 活到 200 岁
in danger 处于危险之中
play a part in sth.参与某事
look for 寻找
free time 空闲时间
on the earth 在地球上
space station 太空站
computer programmer 电脑编程员
hundreds of 许多；成百上千
over and over again 多次；反复地
wake up 醒来
in the future 在未来
the same…as…与……一样
get bored 感到厌烦的
fall down 倒塌
will+动词原形 将要做…
fewer/more+可数名词复数 更少/更多……
do sth.不得不做某事
less/more+不可数名词 更少/更多 have to
agree with sb.同意某人的意见
play a part in doing sth. 参与做某事 There
There is/are +sb./sth.+doing sth.有……正在
make sb. do sth. help sb. with sth.帮助某
try to do sth. 尽力做某
such+名词（词组） 如此
will be + 主语+其他 将会有
做某事
人做某事
It’s+ adj.+for sb. to do sth. 对某人来说，做某事……的。
语法讲解
1. Books will only be on computers, not on paper. 书将只在电脑里， 而不是在纸上。
(u.n)纸： a piece of paper. 一张纸
paper
The paper is too small. Could you give me a big piece ？

(c.n)试卷；论文；报纸： The students are busy doing their papers.
2. There will be more pollution. 将会有更多的污染。
1). There will be + n = There is/are going to be + n 将会有… (不能 have 与连用)
There is going to be a football match this Friday.
2)
. pollution(u.n): 污染；公害 pollute(v)：污染；弄脏 polluted(adj)：受污染的
3. Everyone should play a part in saving the earth. 每个人应该参与挽救地球。
部分；参加；零件；器官 some parts of the machine；every
part
part of the body.
参加；参与 = take part in …
play a part in (doing) sth. 在…起作用/有影响 = play a role in…
4. I’ll fly rockets to the moon.= I’ll go to the moon by rocket. 我将乘火箭去月球。
(n)苍蝇
fly
(鸟、飞机等)飞 I want to fly up into the sky.
使(飞机等)飞行；驾驶 I’ll fly (the spaceship) to other planets.
(旗帜、头发等)飘扬 The flag is flying in the wind.
(时间)飞逝
Time flies when I’m reading a book.
5. Today there are already robots working in factories. 现在已经有机器人在工厂里工作了。
There be sb. doing sth. 有某人正在做…
There is a bird singing in the tree.
6.They agree it may take hundreds of years. 他们同意这可能花费几百年的时间。
It takes + 时间 + (for sb.) to do sth. 某人花费时间区做某事。
It took me half an hour to finish my homework.
agree to do sth. We agree to meet up later and talk things over(认真商量)

agree to sth Is she going to agree to our idea?
agree
agree with sb./opinion（观点）/what he said.
同意；应允 sb. agree on sth. 某人（达成协议的双方）就…达成协议.
Do you agree with me about/on the plan?
hundreds/thousands/millions of sth.; two… hundred/ thousand/million sth.
7. Some scientists believe that there will be more robots in the future.
believe1). (n) belief 信念；信仰
believe sb. 相信某人的话。
2). believe in sth. 信仰；信赖；相信(…的存在) Do you believe in God?
3). believe it or not. 信不信由你；I believe so. 我这样认为；I believe not. 我
不这样认为
8. Which side do you agree with? 你同意哪一方的观点？
side: 一方； 一边； 一面；一侧等 change sides 改变立场、观点； side by side 肩并肩
from side to side 左右地； put sth to one side 把… 搁在一边
9. These new robots will have many different shapes. 这些新的机器人将会有许多不同的形状。
形状；外形 the shape of the leaf
shape
in shape
在形状上： The buildings are similar in shape.
健康的：He exercises every day to keep in shape.
不成形的：His old coat is out of shape.
out of shape
身体状况不佳的：He is out of shape these days.
10. If buildings fall down with people inside, these snake robots can help look for people
under the building. 如果楼房倒塌而里面还有人，蛇形机器人就能帮助寻找人。
(n)秋天（美）= autumn Leaves turn red in the fall.
fall

（物）落下；掉落 The rain began to fall again.
(v) （价格、温度、声音等）下降 The temperature fell to below 0 C.
0
变为（状态） fall asleep ; fall ill
词组：fall down: 跌倒; (物) 倒塌
fall off ：从...上落下；（物）脱落
fall into： 掉入；落入
fall behind: 落后
fall over：被...绊倒 He fell over a stone.
fall in love with...: 爱上...
11.
I think I’ll take a holiday in Hong Kong when possible.我想如果可能的话我会去香港度假。
take a holiday: 去度假 ; when possible = if possible: 如果可能的话
一般将来时
1. 含义：表示将来某个时间要发生的动作或存在的状态，也表示将来经常或反复发
生的动作.
1). In the future, there will be less fresh water.
2). They’re going to buy some food right away.
2. 常与一般将来时连用的时间状语有:
in the future, tomorrow, the day after tomorrow, next (month), at once(立刻;马上),
soon,right away(立刻;马上), right now(现在;马上), sooner or later(迟早), later，in +
一段时间等
3. 结构: 1) will +动词原形 （第一人称用 shall）
2) be going to +动词原形
1). 否定： 一加二改 ： 一加（助动词 + not ）; 二改 （some 改为 any ）
He will visit you tomorrow. --- He won’t visit you tomorrow.
They aren’t going to buy any food.
2). 一般疑问：一提二改三升调：把（will / be）提 到句首；把 some 改为 any、句

号改为问好；
1). Will he visit you tomorrow?
------ Yes, he will. / No, he won’t.
2). Are they going to buy any food? ------ Yes , they are. / No, they aren’t.
4. 注意：
1). 在口语中， will 常缩写为’ll， will not 常缩写为 won’t.
2). 在疑问句中， 主语为第一人称（I 和 we）时，常用助动词 shall：
Shall we meet at the school gate tomorrow？
3). be going to 也可以表示将要发生的动作或安排，含有“计划，准备”的意思。更强
调
主观： I’m going to take a trip this weekend；
而 will 表示客观上将来势必发生的事情: He will be twenty years old next month.
从不严格的语法角度而言 ，be going to 与 will 二者可以.
4). There be 句型的一般将来时结构为：
There is/are going to be + n... ; There will be + n...: 将会有... (不能与 have 连用)
5). come, go, leave, arrive 等表示位置移动的动词常用现在进行时表示将来：
He is arriving at 8 o’clock tomorrow.
6). 在条件、时间状语从句中，一般是主将从现。
If(如果) it is fine tomorrow, I’m going on a trip.

（物）落下；掉落 The rain began to fall again.
(v) （价格、温度、声音等）下降 The temperature fell to below 0 C.
0
变为（状态） fall asleep ; fall ill
词组：fall down: 跌倒; (物) 倒塌
fall off ：从...上落下；（物）脱落
fall into： 掉入；落入
fall behind: 落后
fall over：被...绊倒 He fell over a stone.
fall in love with...: 爱上...
11.
I think I’ll take a holiday in Hong Kong when possible.我想如果可能的话我会去香港度假。
take a holiday: 去度假 ; when possible = if possible: 如果可能的话
一般将来时
1. 含义：表示将来某个时间要发生的动作或存在的状态，也表示将来经常或反复发
生的动作.
1). In the future, there will be less fresh water.
2). They’re going to buy some food right away.
2. 常与一般将来时连用的时间状语有:
in the future, tomorrow, the day after tomorrow, next (month), at once(立刻;马上),
soon,right away(立刻;马上), right now(现在;马上), sooner or later(迟早), later，in +
一段时间等
3. 结构: 1) will +动词原形 （第一人称用 shall）
2) be going to +动词原形
1). 否定： 一加二改 ： 一加（助动词 + not ）; 二改 （some 改为 any ）
He will visit you tomorrow. --- He won’t visit you tomorrow.
They aren’t going to buy any food.
2). 一般疑问：一提二改三升调：把（will / be）提 到句首；把 some 改为 any、句

号改为问好；
1). Will he visit you tomorrow?
------ Yes, he will. / No, he won’t.
2). Are they going to buy any food? ------ Yes , they are. / No, they aren’t.
4. 注意：
1). 在口语中， will 常缩写为’ll， will not 常缩写为 won’t.
2). 在疑问句中， 主语为第一人称（I 和 we）时，常用助动词 shall：
Shall we meet at the school gate tomorrow？
3). be going to 也可以表示将要发生的动作或安排，含有“计划，准备”的意思。更强
调
主观： I’m going to take a trip this weekend；
而 will 表示客观上将来势必发生的事情: He will be twenty years old next month.
从不严格的语法角度而言 ，be going to 与 will 二者可以.
4). There be 句型的一般将来时结构为：
There is/are going to be + n... ; There will be + n...: 将会有... (不能与 have 连用)
5). come, go, leave, arrive 等表示位置移动的动词常用现在进行时表示将来：
He is arriving at 8 o’clock tomorrow.
6). 在条件、时间状语从句中，一般是主将从现。
If(如果) it is fine tomorrow, I’m going on a trip.