新课标人教版必修二Book2 Unit3 reading

课前延伸：

1. analytical adj. 分析的 n. analysis 2. calculate v 计算 n. calculation 计算器calculator 3. 普遍的，通用的，宇宙的 adj universal 4. 简化 vt. Simplify adj simple 5. operator n. (电脑)操作员；接线员 v. operate 6. 合逻辑的，合情理的 adj. logical adv. logically 7. 工艺，科技，技术 n. technology adj. technological 8.真实，事实，现实 n. reality 9. personal adj. 私人的，个人的，亲自的 adv. personally 10. revolution n.革命 v. revolute 11. 智力，聪明，智能 n. intelligence adj. intelligent 12. 解决，解答 vt. Solve n. solution 13. application n. 应用，用途，申请 v. apply 14. 探索；探测；探究 v. explore 15. 不论怎样无论如何 adv. anyhow

短语1. 把……与……相比 compare …with2. 从……时起 from….on

3. 走过，经过 go through4. 结果 as a result 5. 如此……以至于 so….that… 6. 在某种程度上 in a way 7. with the help of 在……的帮助下 8. deal with 处理，安排，对付

Learning goals (教学目标) (1)Learn some words and expressions. (2)Know about the development of the computer. (3)Develop the students’ reading skills.

Look at the following pictures and say their English names. calculator

abacus

PC

huge computer

PDA

laptop

abacus

calculator

huge computer

PDA

laptop

PC

1. What’s the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The development of the computer.

Topic sentences: Para 1 Over time I have been changed quite a lot. Para 2 These changes only became possible as my memory improved. Para 3 Since the 1970s many new applications have been found for me.

Careful readingQ1: Who built the first analytical machine? Charles Babbage Q2: Who was the next important person to design computers? Alan Turing

Q3: As a computer, do you know my goal? My goal is to provide humans with a life of high quality.

Early days Name Function A calculating Simplify machine difficult sums analytical An ________ Develop machine ment universal A _________ machine

Poor

Think logically and produce an answer quickly Solve difficult mathematical ____________ problems __________

Strong

Network timesTubes

LargeSmall Narrow

Memory stored inDevelop ment Applications

Transistors ___________Small chips

CommunicationFinance Trade _______

Robots Mobile phones __________Medical operations _______________ Space rockets

Wide

Step3: Discusion

Do you know the advantages and disadvantages of the computer? You can use the following phrases:

Advantagescommunicate with listen to the music see films & watch news

Disadvantageswaste too much time in

playing computer gameschat on the Internet

play gamesdo shopping

have little time to studyuse the computer wrongly

save a lot of time