Learning about Language第二课时教案

B2U3

Computers Leaning about language

Teacher:

蔡玉柔

Teaching goals

I. Target language 1. Words and expressions calculate

simplify apply

2. Functional items from then / now on, as a result, as a result of(= because of), so + 形容词

/ 副词+ that, such + … + 名词

+ that, in a way, on the way to sp., in this way, by the way, with the help of …, deal with / do with, watch over, as times goes / went by , with time going by II. Ability goals Enable the students to learn about the useful words and expressions in this unit. III. Emotional goal: Guide the students to feel more about the language of English.

operator

logic technology

intelligent

solve

person

finance

explore

programmer

electronic

…

Teaching important and difficult points

Get to use the useful words and expressions in this unit. Teaching methods Task-based method

Teaching procedures Step 1 Revision

Ask questions to go over some useful expressions according to the reading passage learned in Reading part. Step 2 Exercises ( in textbook) 1. Discover useful expressions 2. Complete a passage with words in this unit. 3. Tick the right word. 4. Discover useful structures(of the present perfect passive voice)

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Step 3 Expansion

* Accumulate more words and expressions about the topic in this unit. 1. click on sth. 用鼠标点击

2. surf the Internet上网浏览信息

3. launch a satellite发射人造卫星

4. carry out a research进行一项研究

5. make a great difference有很大影响

6. have access to/be accessible to能使用

7. enable sb to do sth.使某人能做某事

8. benefit from得益于；从……受益

9. a technological revolution 一项科技革命

10. broaden our knowledge 拓展我们的知识

11. make contributions to 对……做出贡献

12. accelerate the flow of information 加速信息的传播

13. be convenient to sb. 对某人来说方

14. catch up with the advanced world levels赶上世界先进水平

15. download information from the Internet从网络上下载信息

16. be famous at home and abroad 在国内外享誉盛名

17. a variety of high-tech products各种各样高科技产品

18. advanced science and technology 先进的科学技术

19. improve the quality of human life提高人类的生活质量

20. with the rapid development of science and technology随着科技的迅速发展

* Practice

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The computer is (1) __________________________________(20世纪最伟大的发明).Since the emergence of the first computer in 1946，the computer (2) _________________________ (一直发展迅速) and (3) __________________ (改变了我

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们的生活)noticeably．

As a large amount of (4) ____________________(它的信息储存) and amazing calculating speed, computers (5) ______________________(广泛应用于) industry，agriculture，business as well as education and tourism. Scientists have been working (6) ____________________________ ______________________________ (为了解决最难的生物学问题)of decoding human DNA with the help of the computer.

The computer is gradually going into our everyday life. If we don’t know how to use the computer，we might (7) ________________________ (发现……很难) get round to something. Therefore，it’s very important for us to keep up with computer technology.

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1_________ history of computer began in 1642 in France. In the beginning, it 2__________ (build) only as a calculating machine, and later as an Analytical

Machine

that

could

“think” 3_________ (logic) and produce an answer quicker than any person.

Still later, the “universal machine” is built 4________

(solve) mathematical problem, 5 ________made computer huge! As the years 6________(go) by, computer has been made smaller, quicker and 7________(clever).

Later, computers 8___________ (connect) by network and brought into common people's homes to deal with information and help communication 9__________ people around the world. Since its birth, computer has always been 10__________ (design) to serve the human race. Step 4

Summary

Step 5

Homework

1.

Go over the useful expressions practiced in this period; 2.

Do more related exercised. 3.

Prepare for the next period about Using language.

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