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unit3 Computers 教案

unit3 Computers 教案
unit3 Computers 教案

Unit 3 Computers

Reading

Teaching procedures:

1.Listening and reading to the recording of the text WHO AM I?

Turn to page 18 and listen and read to the recording of the text. Pay attention to the pauses, pronunciation and intonation of the native reader.

2.Reading aloud and underlining expressions

Now we are to read the text once again and underline all the expressions in the text. Put them down into your notebook after class as homework.

Collocations from WHO AM I?

begin as…, a calculating machine, be built as…, follow instructions from…, sound simple, at the time, a technological revolution, write a book, make…work, solve problems, become huge, had artificial intelligence, go back to…, the size of…, go by, change size, become small and thin, get quick, stand there by oneself, be connected by…, share information by…, talk to…,bring…into…, deal with…, communicate with…, serve the human race

3.Reading, identifying and settling

It is time to skim the text one more time and identify the difficult sentences. Try analyzing the structures of the difficult sentences and discuss them among your group members. You may also put your questions to the teacher for help.

4.Closing down by doing comprehending exercises

Turn to page 18 and in pairs do the comprehending exercises No. 1 and 2.

Scan the text for information to complete the table below, describing the development of computer.

1642:The computer began as a calculating machine.

1822:The analytical machine was made by Charles Babbage.

1936:The computer grew rapidly both in size and in brainpower.

1940s:The computer had grown as large as a room.

1960s:The first family of computers connected to each other.

1970s:Computers were brought into people's homes.

Now:Computers connect people all over the world together

Language points

Reading WHO AM I?

1. In pairs discuss what they have in common. 两人一组讨论一下他们有哪些共同之处。

in common, for or by all of a group共同的;共有的;共用的

We have very much/a lot /nothing /little /something in common.

我们有很多/没有/几乎没有/有一些相似之处。

You know, Mary, you and I have one thing in common.玛丽,你知道,我俩有一个共同点。

2. Can you put them in an order according to the time when they appeared?你能按照他们现世的时间顺序把他们排列成序么?

in order按照顺序; 挨次整齐; 整洁恰当, 准确; 符合程序

out of order次序紊乱(机器等)失灵; 出故障有病;违反议事规则

3. Over time I have been changed quite a lot.经过一段时间我变化了很多。

4. as a calculating machine 作为一台计算机器

calculate on: depend on 指望

We are calculating on fine weather for the sports meeting.我们指望着运动会有好天气。

5. it nearly took two hundred years before I was built as an analytical machine差不多到了200年之后我才被做成分析机

6. the start of my “artificial intelligence”人工智能的开始

7. From then on, I grew rapidly both in size and in brainpower.

从那时起,我在体积和脑容量方面迅速成长。

8.As time went by, I was made smaller. 随着时间的推移,我被弄得越来越小。

as time goes by随着时间的流逝

go by = pass(时间)流逝,经过(地方),遵守

9.As a result I totally changed my shape. 结果,我已经改变了我完全的形状。

①as a result 作为...的结果,因为...

without result 没有结果

result in vs. result from

result in 导致,造成...的结果

result from 因为

②totally=completely/entirely完全地

They come from totally different culture. 他们来自完全不同的文化。

10.And my memory became so large that even I couldn’t believe it!

我的存储容量变得如此巨大连我自己都不能相信。

句型:...so+ adj./adv.+that-clause

11. Since the 1970s many new applications have been found for me.从二十世纪七十年代起,我又被开发出来了很多新的用途。

12. Anyhow, my goal is to provide humans with a life of high quality.不管怎样,我的目标是给人类提供高质量的生活。

anyhow=anyway adv. 无论如何,反正,即使,即使这样(用于转移话题)

13. I am now truly filled with happiness that I am a devoted friend and helper of the human race.现在我充满了幸福感,因为我是人类的忠实朋友并时时给他们提供协助。

be filled with...充满了...

Learning about language

14. He used to download information from the Internet and make good use of it.

他常从因特网上下载信息并充分利用这些信息。

区分:used to do...过去常常

be used to do...被用来做某事

get/be used to (doing.) sth. ...习惯(做)某事

15. but in reality he has a long way to go.但事实上他任重而道远。

16. be crazy about非常喜爱,醉心于

She's crazy about dancing. 她热衷于跳舞。

17. do research into 实行...的研究

18. come true 实现,达到

19. From then on, I worked hard to get into university. 从那时起,我努力学校考大学。

20. As I grow older I realize how much my life has been connected with my interest in radios.

随着年龄的增长,我意识到我的生活和我对无线电的兴趣联系地有多密切。

21. The company has given its computers away to a local school.

这家公司把它的电脑赠送给了当地的一所学校。

Listening

22. consist of 由...组成(be made up of)

His job consists of helping old people who live alone. 他的工作包括协助无人照顾的独居老人。The beauty of the plan consists in its simplicity. 这个计划妙就妙在简明扼要。

Theory should consist with practice. 理论应与实践相一致。

Reading P23

23. About once a year we are allowed to get together.每年大约一次我们能够获准聚在一起

get together 聚会

When can we get together?

我们什么时候聚会?

24. On the football team I am a strike r .我在球队中是前锋

25. have a good shot for a goal. 好好地射一个球

26. We are determined to create an even better system. 我们决心创造一个跟好的系统。

27. In a way our programmer is like our coach. 从某种水准上说,我们的程序就像是我们的练。

I fell on the way to school.

我在上学的路上跌倒了。

In this way, he was able to solve the mystery.循着这个线索,他解答了这个奥秘。

Some like the older ways of doing things. 有些女性喜欢处理事务的老办法。

By the way, what happened to the money? 顺便问一句,那笔钱后来怎么样了?

by way of London 途经伦敦

In a way, you're right.从某一点上看你是对的

in the way 挡住路, 妨碍, 多余的

lose one's way 迷路, 迷失方向; 误入歧途

28. After all, with the help of my electronic brain which never forgets anything, using my intellig ence is what I am all about.不管怎样,在我过目不忘的电子脑的协助下,使用智能就是我的一切。

29. deal with 处理,对付;论述,涉及

How do we deal with feelings? 如何处理情感和感受?

do with 利用, 忍受, 需要, 乐意做

What do they do with the coin?

他们是怎样处理这枚硬币的?

30. watch over 看守,照管,监视

I am his best friend, and I will always watch over him.我是他的好朋友。我将永远照看他。

31. make full use of...充分利用...

make use of利用,使用

of use 有用

out of use 不再使用了

use up 用完,用光

32. What’s more

(常用作插入语)更重要的是;而且;另外;此外

You are wrong, and what's more you know it!

你错了!而且你明明知道你错了!

Learning about grammar

Passive Voice—Overview

Simple Present:am/is/are+ done

eg:The TOEFL exam is given every six months.

Simple past :was/were + done

eg:The TOEFL exam was given last month.

Simple Future:will/shall + be + done

eg:The TOEFL exam this year will be given on October

Present Continuous:am/is/are + being + done

eg:The TOEFL exam is being given every year.

Present perfect:have/has + been + done

eg:The TOEFL exam has been given every year since 1950.

Past perfect:had + been + given

eg:The TOEFL exam had been given before the Vietnam War occurred.

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