新课标book2unit3-导学案

学案1 Book2 Unit3 Computers

Warming Up and Reading

编写人：徐恒侠审核人：军班级___________ __________

学习目标：读懂文章大意;能运用skimming等阅读技巧查找文章细节，并回答问题。自主学习

一、完成以下连线题，看看你对电脑知识了解有多少。

1.Mathematical a.分析机

2.Calculator b.通用机

rmation Technology c.数学的

4.Personal Computer d.计算器

5.Analytical machine e.IT信息技术

6.Universal machine f.科技革命

7.Transistor g.掌上电脑

8.Artificial intelligence h.晶体管

9.Technological revolution i.人工智能

10.palmtop j.PC个人电脑

二、选择正确汉语意思填在相应单词后面，看看电脑有哪些部件组成。

显示器音响鼠标主机键盘屏幕

1. keyboard_____________

2. speaker _____________

3. monitor_____________

4. screen _____________

5. host _____________

6. mouse_____________

三、完成优化设计51页第二题短语互译。

合作探究

Finish the following exercises according to the reading passage of this unit. Skimming

阅读课文，回答下面问题，

1. Who am I? _________________________________________

2. What’s the passage about?

A. The early development of the computer.

B. The late development of the computer.

C. The importance of the computer.

D. The development of the computer.

Scanning

True or False?

1. The computer began as a calculating machine in 174

2. ( )

2 The Analytical Machine was made by Charles Babbage in 1822. ( )

3. Computers had new transistors and became smaller in the 1960s. ( )

4. Alan Turing wrote a book to describe how computers could be made smaller. ( )

5. In the past people thought the computer was simple-minded. ( )

6. In the 1960s the first family of computers was connected to each other. ( )

7. Computers could share information and express their feeling s.( )

8. Computers connect people all over the world together. ( ) Careful reading（完成优化设计51页While-reading 第三题的四道选择题）

当堂检测(完成优化设计51页Post-reading根据课文填空)

学案2 Book2 Unit3 Computers

Language Points

编写人：徐恒侠审核人：军班级___________ __________

学习目标：

熟记课文中重点词组或短语;结合课文句子，能理解并学会运用本单元的重点词汇，短语和句型。

自主学习

一、词汇知识

1. adj. 有逻辑的

2. vt. 解决

3. n. 目标

4. adv. 完全

5. vt. 计算

6. vt. 简化

7. n. 智力；聪明8. adj. 私人的；亲自的

9. n. 幸福；快乐10. n. 真实；现实

二、重点短语

1. have sth _____ common _________ 和……有共同之处。

2. ________ ...with 把……与……相比

3. from ________ on 从那时起

4. go ________ 过去；经过；走过

5. so … ________ 如此……以致于

5. as a ________ 结果

6. as ______ as …既….. 又….., 不但……而且…..

7. provide sb.________ sth. 为某人提供某物8. _______ sth. with sb. 与某人分享某物合作探究

Language Points（其余语言点请参看优化设计51-54页）

1. Although I was young I could simplify difficult sums.

simplify n. / adj. + ify --v.

beauty + ify beautify class+ ify classify

glory + ify glorify pure + ify purify

sum n. 总数，算术题，金额in sum总之

a large sum of大量，许多（不可数名词）

e.g. He gave me food. 他给了我很多食物。

2. calculate v. 计算

calculation n. 计算；计算结果calculator n 计算器

calculable adj. 可计算的calculated adj. 精心策划的；蓄意的

常用搭配：

be calculated to do sth. 打算做某事be calculated for 为适合。。。。。。而设计calculate on/upon = depend on 指望

The scientists are able to _______ accurately when the spaceship will reach the moon.

A. count

B. calculate

C. number

D. figure

3. It took nearly 200 years before I was built as an analytical machine by Charles Babbage.

翻译：___________________________________________________________________ 句式透析：It will take/ took/ was +一段时间+before 从句

▲本句型中，before引导一个时间状语从句。Before的本意为“在。。。。。。之前”，但如果主句是肯定句，并且与时间段连用，可意为：“。。。。。。之后才。。。。。。”，表示主句的动作放生的迟缓

How long ________________________ the global economic crisis comes to an end?

多久后这次世界经济危机才能结束。

▲before 引导时间状语从句时，如果主句是否定意义的句子，则有“。。。。。。不久就。。。。。。”之意，表示主句动作很快发生。

It didn’t take / was long before… _____________________

It won’t take / be long before ….. _________________________

例句：She didn’t work hard and it didn’t take long before she got the kick.

翻译：___________________________________________________________

▲before 常与can 或could 连用，意为“还没（来得及）……就……；不等……就……”