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1、 掌握词语 I.掌握词语1.非洲Africa 2.现在；目前at present3.依靠depend on 4.键盘keyboard5.知识knowledge 6.意思meaning 7.预定order 8.假装pretend9.显示器monitor 10.量；数量quantity 11.扬声器speaker12. 合计 (n.) total13.暂时for the time being 14.按某人的意见in somebodys opinion15.售货员（男）salesman掌握词语 16. 用途use 17.重要地 importantly 18.很少；难得rarely 19.由于as 2
2、0.圆珠笔ball-pen 21.洲；大陆continent 22.图表diagram 23.鼠标；耗子mouse 24.法官judge 25.类型；种类type 26.犯错make a mistake 27.辣的hot 28.账户；账目account 29.塑料plastic 30.提出；引起raise 31.屏幕screen 32.不重要的unimportant 33.供应supply 34.写作writing 35.程序program 36.印度洋Indian Ocean 37.太平洋 Pacific 38.创新create new idea 1.plan to do sth 计划做某事
3、；打算做某事eg. He planned to further his study in America. 2.write an article about sth 写一篇关于的文章 eg. He is going to write an article about educations. 3“.情态动词或助动词+ hardly +动词”。用法如下：表示“几乎不；简直不”I was so tired that I could hardly walk.我累得几乎走不动了。表示“大概不；不太”There is hardly any chance that I will be allowed to
4、go there.大概没有机会让我去哪里了 表示“很少” He hardly ever eats meat.4. be unaware of ：没注意到的；没意识到I am not unaware of the problem.be aware of 注意到；意识到 Everybody is aware of the importance of the Four Modernizations.（四个现代化） 5.depend on 依靠；依赖The young tigers depend on their mother for food. 6.calculator (n.) 计算器calcul
5、ate (v.)计算 calculation (n.) Computers are super calculators.They can calculate very fast and they can do the calculation accurately . 7. rarely (adv.)=seldom 很少 在句中表示否定意义She is old and rarely goes out. 8. by doing sth 通过做某事 We give a computer instructions by putting a programinto it.8. make a mistak
6、e=mistake(v.) 犯错误 9. for the time being =at present 目前 10. the answer to this question ; the key to the door;the solution to the problem 11. be able to=can 能够 He is able to swim.=He can swim.be unable to =cannot 不能 He is unable to climb the mountain. 12.be good at =do well in 擅长做 Mary is good at Eng
7、lish.=Mary does well in English.be better than.at doing sth 比更擅长做 Sometimes robots are better than human being at doing our jobs.be good/bad for sth 对有好/坏处Reading in the sun is bad for your eyes.13.raise (vt.) 及物动词+宾语 “举起，提升；增高；提出”He raised his voice in order to be heard by each audience.rise (vi.）为
8、不及物动词 “上升，上涨；增长；起立”The river has risen after the heavy rain. 13.sth happen to sb 某事发生在某人身上An accident happened to him when he was walking across the street. 14.give sth. to sb=give sb sth 15.for example“例如” 接句子 Different people have different hobbies. For example, I like collecting foreign coins; my
9、 father likes reading novels.such as “例如”接单词或短语 I like some sports, such as tennis, volleyball and golf. 练习 I. 翻译短语1.键入信息_ 2两台计算机_ 3.记录信息_4隐身计算机. _ 5.没有意识到_ 6依靠人民._ 7.众所周知的事情_ 8.目前_9.提出一个严肃的问题_ 10.听他唱歌_ III.课文内容练习： 课文练习Hidden helpers Not so many years ago, you hardly ever saw computers. Now they are
10、_ .There may _ be tiny, hidden computers in your home that you are _ of. There may be one inside your TV set, telephone _ washing machine. So maybe you depend on computers _ than you realize.What kind of jobs can a computer do? Its common knowledge _ computers are super calculators. They can calcula
11、te very _ and rarely give wrong answers. They can also type, print and drawthings _ diagrams and graphs. They can teach you and play games with you . More importantly, they can _ railways and fly aeroplanes and spaceships. For these _ , We often call them electronic brains.阅读回答问题The Internet is beco
12、ming important in our life. How much do you know about it ? What is the Internet ? The Internet is a large, worldwide collection of computer networks. A network is a small group of computers puttogether. Different networks from all over the world make up the Internet. Once you have learned to use th
13、e Internet, you can have a lot of fun on the World Wide Web.What is the World Wide Web?The World Wide Web has been the most populardevelopment of the Internet. The web is like a big electronic book with millions of pages that are called homepages.You can find information about almost anything inthe
14、world on these pages. For example, you can use theInternet instead of a library to find information for your homework. You can find information about yourfavourite sport or film star, talk to your friends oreven do some shopping on the pages. Most pages have words, pictures and even sound or music.W
15、hat is email?Electronic mail (email) is a way of sending Messages to other people. Its much quicker and cheaper than sending a letter1.What is a network? _ 2.What are the characteristics (特点) of the Internet? _ 3. What does “talk to your friends on the pages“ mean? _ 4. Why do people like to use email to send message to their friends and family?_
