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上海教育版八年级英语上册《Unit 3 Computers》知识要点归纳

上海教育版八年级英语上册《Unit 3 Computers》知识要点归纳
上海教育版八年级英语上册《Unit 3 Computers》知识要点归纳

《Unit 3 Computers》知识点归纳

一、重点单词(词性变化)

1.order(n.)---(v.) order(命令,点菜)

https://www.doczj.com/doc/409580307.html,pare(v.) ---(n.)comparison

3. speaker(演讲者)---(v.)speak

4.tiny---近义词sm all

5.depend---(adj.)dependent---independent

6.operate---(n.)operation

7.sell---(过去式) sold 8.popular---(n.)popularity 9.aware---(反义词) unaware

10.expensive--- (反义词) cheap 11.mouse---(复数)mice

12.type--- (名词) typist 13.inch--- (复数) inches https://www.doczj.com/doc/409580307.html,pany---(复数)

companies

二、同义词(组):

1.tiny=very small

2.depend on=need help from

3.operate=make…work

4. realize---notice; know about

5.in addition=besides

6.be good at=do well in

三、重点短语:

1. be unaware of

2. depend on 依靠

3. more than 超过

4. do with 处理

12. have nothing to do 无所事事*17 be made of

5. happen to 发生

6. operate railways

7. in addition 另外

四、重点句子:

1. In t he 1940s, the first computers were bigger than cars.

在20世纪40年代,第一批电脑比汽车还大。

2. You may be unaware of them. 你也许没有意识到他们。

3.You depend on computers more than you realize.你比你意识到的更依赖电脑。

4. What can we do with computers ?我们可以用电脑处理什么?

5. We can use computers to calculate.我们可以用电脑计算。

6. In addition, computers can do important jobs like ope rating railways and flying planes and spaceships.另外,电脑可以做重要的工作比如操控火车、飞机和飞船。

7. For example, they may be better than doctors at doing their job.

比如,他们比医生更擅长做他们的工作。

8.What will happen to us if computers can do all our jobs?Will we have nothing to do?

如果电脑可以完成我们所有的工作,那我们会发生什么事?我们会不会无事可做?

五、语法:形容词和副词比较级和最高级的不规则变化

1. good/well---better---the best

2. bad/ill---worse---the worst

3.. much/many---more---the most

4. little ---less---the least

5.. far---farther(further)---the farthest(furthest)

More to learn:

1. much, far, a lot (比…得多) a little, a bit(比…一点) even甚至更+比较级

表示不同程度的比较e.g. much older 年长得多

2. 最……之一:one o f the +最高级+名词复数e.g. one of the best students

3. 比较级+and+比较级越来越…e.g. taller and taller

4. the+比较级,the+比较级e.g.The more you eat, the fatter you get

5. a s/so +形容词/副词原级+as e.g Physics is as important as maths.

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Sometimes he does it this way and sometimes he does it that way. 他有时这样做,有时那样做。 (5)hardly ever 的频度为5%左右,意为“几乎不”、“偶尔”,表频率,位置是“行前be后”。 I hardly ever go out these days. 这些天我几乎不出门。 (6)never 的频度为0,意为“从来不”、“永不”。 My parents are never late for work. 我父母上班从来不迟到。 (3)sometimes、sometime、some time和some times He was sometimes late for school. 他有时上学迟到。

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