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高一英语必修2Unit3Computers课件


With the development of science and technology, many new things appear in human being’s life.
Let’s guess what they are:

1. With me you can watch different programmes just

at home. I’m a machine that has a screen with moving pictures and sounds. But watching me too much is bad for your eyes.

TV set

2. I am a machine which moves very fast on four wheels. You need a license(执照) and must be very careful when you drive me. Rolls Royce, Benz and BMW are some famous kinds of me.

car

3. I am a machine which is a good
helper in doing house work. I wash clothes for people.

Who am I?

washing machine

4. A machine that you use to talk to other people even in a far-away place. We are connected by wire or radio. Now each of us often has a number.

Who am I?

telephone

5.It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information…

Computer

? it is a kind of computer which can be taken conveniently like a notebook.

A laptop

What English words do you know about computers?

What is it in English??

mouse
鼠标

What is it in English??

CPU (central processing Unit)
中央处理器

What is it in English??

Main board(主板)

What is it in English??

Display /
Monitor

The first generation (1945-1956)

the second generation (1956-1963)

the fourth generation (1971- )

the third generation (1964-1971)

Label each part
1

2 6

3

5

4

1. monitor 2. screen
4. mouse 5. keyboard

3. CD-ROM
6. hard disk

keyboard

mouse

modem

scanner

printer

speaker

Match the words with their meanings.
1 A monitor is
2 The screen is 3 A keyboard is (a) the part of a computer that stores information. (b) the part of the computer that you type on. (c) the part of the computer that looks like a television (d) something you use to click on things (files, etc.). (e) the part of the monitor that you look at. (f) The main device that a computer uses to store information.

4 A mouse is
5 A CD-ROM is 6 A hard disk is

Internet
school work games emails music and films chat information photos shopping

How useful computers are!

Ask and answer questions in pairs.
How do you use computers and the Internet?
1. use computer for school work You Your partner 2. play games on the computer 3. send emails to friends 4. surf the Web for fun 5. download music and films 6. chat online 7. search for information 8. look at photographs 9. do shopping online

Talk freely
Different attitudes towards computers.

parents

school

students

advantages

Disadvantages Some people especially the teenagers abandon (沉迷于) themselves to the computer games and chatting on the Internet. As a result, they have little time to study . Some people use the computer wrongly

we can
communicate with friends listen to the music see films & watch news play games do shopping save a lot of time do a lot of useful things

? 1. technology n. 科技 technological adj.科技的 technologically adv. . 2. calculate vt. 计算 calculator n. . 3. finance n. 金融 financial adj.金融的 financial crisis金融危机 financially adv.

? 4. real adj. 真的 realistic adj.真是的,现实的 really adv. reality n. 真是,事实,现实 . 5. revolution n.革命 revolutionary adj. 革命的 revolutionize vt. Vi. 改革,革命 revolutionist n.革命家 . 6. arise arose arisen Vi 出现发生

? 7. solve the problem 解决 v. ? solusion 解决 n ? 8. appearance n. 外表,出现 appear v. disappear v. . 9. personal 个人的 adj. personally 就个人而言adv. personalize 个人化,私人化v . 10. logical 合逻辑的 adj. logically adv. logic 逻辑 n.

11. application 应用,申请 n. applicate for 申请 vi applicant 申请人,请求者n. . 12. simplify 简化 vt. simple简单的 adj. simply简单地 adv. simplification 简化n. . 13. explore 探索 v. exploration探索 n. explorer n. 探测者,探测器;探险家 exploring 勘探的 adj.
.

14. intelligence 智力,只能 n. intelligent 智能的,聪明 的adj. . 15. character 性格,特点n. characteristic 特有的典 型的, adj. n.特征; 特性;特色
.

.16. artificial adj. 人工的, 人造的

artificial flowers/limbs/pearls
假花/假肢/假珍珠

17. analytical adj.分析的, 解析的 analyse vt. 分析;研究 analogy n. 相似;类似 analysis n. 分析;研究 analyst n. 分析家 analytic adj. 分析的;分解的 18. totally adv. 整个地; 完全地

total adj.

1. Have …in common
? have nothing in common 无共 同之处 ? have little in common 几乎无 共同之处 ? have a lot in common 有很多 共同点 ? have something in common 有一些共同之处

Sentences
1). you and I have one thing in common.我和你有很多共同点 2) We just had nothing in common and I couldn’t communicate with you.我们 没有什么共同点,我跟你无法沟通 3) I suddenly felt we had a lot in common.我突然觉得我们有 很多共同点

2 calculate vt.计算
Calculation Calculator n.计算,推算 n. 计算器

3.Solve vt. 解决,解答
? Solution n. 解决方法,处理手段 ? a solution to… …的解决方法 ? Eg.: ? They need a solution to the problem, so they have to ask their boss for advice.

? 他们需要解决问题的办法,因此他 们只好向老板寻求建议。

4. As a result
? ? ? ? As a result 结果… As a result of 由于 因为 Result in 导致 Result from起因于

? Eg. ? 1. As a result I totally changed my shape. ? 因此,我完全改变了我的形状。 ? 2. As a result of what we saw, we decided to change the rules.
? 鉴于我们所看到的情况,我们决定 更改规则。

? 3. His illness resulted from his hard work. ? 他生病了是由劳累的工作造成的。 ? ? 4. His hard work resulted in his illness. ? 工作劳累致使他生病了。

as a result 结果;终于;因此 [考例] My friend Martin was very sick

with a strange fever; ______, he could
neither eat nor sleep.

(江西2005)
A. as a result B. after all

C. any way

D. otherwise

[点拨] 考查短语辨析。as a result结果

; after all毕竟; any way不管
怎样;otherwise 否则。由句 意可知要选as a result。

4. so… that
? so… that… 如此……以致(that后面+从 句) ? 与 too…to… 句型的相互转(to 不定式+ 动词短语) He is so old that he can’t carry the box. He is too old to carry the box So that…. I study hard, so that I can catch up with others

5. Share…with
? I always share my happiness and sorrows with my friends.

? 我经常和我的朋友分享我的快乐和 悲伤

6.application
application n 应用,用途,申请 He is busy writing a job application. application form申请表 make an application to sb for sth向某人申请

apply

vt. 申请,请求 vi. 应用,运用 ? apply to 适应于 ? apply for 申请,请求 Eg. Any of them can apply for the job.每个人都可以申请这份工作

? apply …to … 把…应用到… Eg. In this way they can better apply theory to practice用这种方 法,我们更好地把理论应用于实践 ? apply oneself to 致力于,集中精力 于 ? Eg. He applied himself to his new job. ? 他努力干好新的工作。

8.Provide sb with sth
? ? ? ? Provide 提供,供给 Provide sb with sth 向某人提供某物 They provided him with money and clothes.

9. Goal 目标,球门,(进球)得分
? Achieve one’s goal实现目标 ? Life goal & one’s goal in life ? 人生目标

? 1 我和我妈妈有很多共同点。相反, 我和我爸爸没有什么共同点,因此, 我难以跟他沟通(have…in common, as a result) ? 2 随着时间的推移,她慢慢习惯了 高中的生活(go by) ? 3 他努力学习,以至于,他取得了 很大的进步as a result) ? 4 在现代,由于电脑的聪明才智越 来越多的人趋向于使用电脑学习, 工作,娱乐(as a result of, intelligence, entertain)

Home work

? 1. I have a lot in common with my mother. Instead, I have nothing in common with my father, as a result, it is difficult for me to communicate with him. ? 2. As time went by. She got used to the high school life.

? 3. He studied hard, as a result, he made a great progress
? 4. In modern times, morn and morn people tend to use computer to study, work and entertain(娱乐) as a result of its intelligence

1. from…on 从……起 From now on , I will study English hard 2. As a result 结果 She didn’t study hard; as a result, she failed the exam. 3. So …that.. 如此…以至于… He studied so hard that he passed the exam.

4. Have …in common 有共同之处 We have a lot in common. 5. In a way = to some extent 从某种程度上说 In a way our design is good. 6. With the help of…在…的帮助之 下 With the help of the computer, I work out the problem quickly.

7.Deal with 处理,对付,对付 With the help of my teacher, I dealed with the problem quickly. 8. Watch over 看守监视 The police watched over the prisoner. 9. Begin as 作为…的开始 Begin as the party, I sang a song.

10. Conect with…与…有关 The problem connected with the nature 11. Go by 从…身边走过 A begger went by me. As time went by, we learned a lot from our teacher. 12. share…with 和…一起分享 I always share my sadness(悲伤n.) and happiness(快乐n.) with my good friends

13. Make up 化妆 My mather never make herself up. 我妈妈从不化妆 I make up a story.我编造了一个故事 14. After all 毕竟 After all, he is a good student.

15. In one’s opinion 以某人的观点来看 In my opinion, we should make good use of the computer to study English.

Changes of the machine
Calculating machine Analytical machine Universal machine

Machine with new transistor A family connected by a network

Machine with artificial intelligence A family used by the Internet


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