unit3Computers
Unit 3 Computers
order订货; 订购
1. I would like to place an order for ten copies of this book.这本书我想订购十册。
【总结】order是名词, 意为“订购; 订货”, 如例1。
【拓展】order还可以作动词, 意为“订货; 订购”。
例如: I ordered a smartphone on the Internet.我从网上订购了一部智能手机。
Compare 比较; 对比
1. We compared the two reports carefully. 我们仔细地比较了两个报告。
【总结】compare是动词, 意为“比较; 对比”, 如例1。
【拓展】compare常用的结构有: compare A and B; compare A with B。例如
1. It’s interesting to compare their situation and ours.把他们的状况与我们的相比很有意思。
2. We carefully compared the first report with the cond.
我们仔细比较了第一份报告和第二份报告。
control 操纵; 控制
1. A central computer controls the traffic lights. 中心计算机控制交通信号灯。
【总结】control是动词, 意为“操纵; 控制”, 如例1。
【拓展】control还可以作名词, 意为“操纵装置; 开关; 按钮”。例如: the controls of an aircraft飞机的操纵装置; The co-pilot was at the controls when the plane landed. 副驾驶员操纵着飞机着陆。
expensive 昂贵的; 价格高的
1. Art books are expensive to produce. 美术书籍制作成本高。
2. I can’t afford it.It’s too expensive我买不起, 太贵了。
【总结】expensive是形容词, 意为“昂贵的; 价格高的”, 如例l和例2。
【拓展】expensive的反义词是cheap, 意为“便宜的; 廉价的”。例如:
Personal computers are now cheap and getting cheaper later.
伊斯兰日历个人电脑现在价格便宜, 以后还会更便宜。
depend 依靠; 依赖
1. Lily depends on her parents very much.莉莉很依赖她的父母。
2. Jim knew he could depend upon his father to deal with the situation.
吉姆知道他可以依靠爸爸来应付这种局面。
3．--- Is he coming?
--- That depends. He may not have the time.
--- 他来吗?
--- 那要看情况。他不一定有时间。
【总结】depend作动词, 意为“依靠; 依赖”, 常和on 或upon搭配, 如例1和例2。
【拓展】depend常用的结构: that depends / it (all) depends, 意为“那得看情况”, 如例3。
句型导航Sentence guide
1. In addition, computers can do important jobs like operating railways and flying planes and spaceships. 另外, 电脑能做重要的工作, 例如: 操控铁路、操纵飞机和太空船。
【解析】此句中, like用作介词, 意为“比如; 例如”。
例如: I love to read novels written by Mark Twain like Adventures of Huckleberry Finn and The
Adventures of Torn Sawyer.
我喜欢读马克·吐温写的小说, 比如《哈克贝利·费恩历险记》和《汤姆·索亚历险记》。
2. What will happen to us if computers can do all our jobs?
如果电脑可以做我们所有的工作, 我们会怎么样呢?
【解析】在此句中, if用作连词, 意为“假如; 如果”, 引导条件状话从句。例如:
If he improved his IT skills, he’d easily get a job.
他如果提高了自己的信息技术技能, 就会容易找到工作。
Structure imitation [句式仿写]
和记万佳1. You may be unaware of them. 你可能没有觉察到它们。
【解析】be unaware of意为“不知道; 没意识到; 未察觉”。例如:
He was completely unaware of the whole affair.他对整件事情一无所知。
2. However, one day computers may be able to do a better job than human beings.
然而, 有一天, 电脑可能有能力把工作做得比人类更好。
【解析】be able to意为“有能力做……; 会做……”。例如:
You must be able to speak French for this job.干这项工作你得会说法语。
1. work as 从事……工作
2. (be) unaware of 没意识到; 未察觉手机如何设置密码
3. depend on 依靠
4. at a faster speed 以更快的速度
5. in addition 除……以外(还)
6. happen to 遭到; 遇到
切音字7. get on the Internet 上网人物风景
8. grand total 总计; 共计
9. washing machine 洗衣机
10. be good at …擅长……
11. look forward to 盼望; 期待
12. go to hospital 去医院
13. stop …from doing something阻止……做某事
14. thank you for doing …谢谢你做……
15. all day 整天; 一天到晚
16. stop to do 停下来去做另一件事情
17. ud to do 过去常常做……
18. in front of 在……的前面
19. be bad for 对……有害处
20. give some advice on…就……提出建议
21. have a good time 玩得高兴
22. daily life 日常生活
For Reading
I. 根据句意及图片提示写单词, 补全句子。
1．--- What’s this?
--- It’s the ______ of that computer.
2. --- What do we u to hear the sound on the computer?
--- The _________.
3. If we want to write something on the computer, we u the _______.
4. Human ______ is full of intelligence, so human beings are cleverer than animals.
5. The woman is ______ carefully. Don’t bother (打扰) her.
II. 根据要求写出相应的单词或词组。
6.main unit (复数) _______________
7. operator (动词) ________________
8. speed (复数) ________________
9. compare (第三人称单数) ____________10. depend (现在分词) _____________
III. 根据句意及首字母提示写单词, 完成句子。
11. If you want to buy that kind of computer, you’d better make a phone o_______. It’s very convenient.
12. There are all kinds of s_______ in this computer store, so you can buy your favorite one.
13. People c________ this machine by connecting it to a computer.
14. This coat is very e_______. I don’t have enough (足够的) money to buy it.
15. Some computers in the machine are t______. You can’t e them.
白痴的英文
IV. 根据汉语意思完成句子, 每空一词。
16. 我长大之后想成为一名科学家。
I’d like to ______ ______ a scientist when I grow up.
17. 不要经常上网玩游戏, 那样对你的学习不会有好处。
Don’t ______ ______ _______ ______ to play games too oft en. It’s bad for your study.
