Learning about Language课件配套优秀公开课教案设计

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人教版高中英语必修二Unit 3 Computers ----Learning about language

神

木

市

第

七

中

学

英语组

张毅俊

教学内容: Learning about language of Book 2 Unit 3

教学目标: 1. Knowledge aims: 1) Learn about some key words and phrases ;2)Master some useful structures---the Present Perfect Passive Voice(现在完成时的被动语态). 2.

Ability aims: 1) Enlarge the students’ vocabulary through

some related exercises; 2) Improve the students’ ability to

use the Present Perfect Passive Voice properly. 3.

Emotional aim: Develop students’ interest in creations. 教学重点: Learn some key words and phrases and master the use of the Present Perfect Passive Voice. 教学难点: How to use the Present Perfect Passive Voice properly

教学方法: Asking and answering; individually or pair-works ; Student-centered teaching.

教学用具: Multimedia; pictures 教学过程: Step I

Greetings and lead-in:

Use a picture to ask students to guess and ask what we use the computers for in our daily life to arouse students’ interest in this lesson. Step II

Presentation: Task 1

1)

Ask students to read the following vocabulary with their Chinese meanings on PPT. mobile

adj.可移动的

network

n.网络，网状物

revolution

n. 革命

simplify

v.简化

solve

v.解决

explore

v.探索，探究

1

finance

n.财经，金融

anyhow

adv.无论如何

calculate

v.计算

totally

adv.完全地，整个地

2)

Fill in the blanks with the words above for the following meanings. 1.

_________ complete change in ways of thinking, working etc. 2.

_________connected computer system 3.

_________to make things easier 4.

_________to find the answer using numbers 5.

_________able to be moved easily from place to place 6.

_________to work out the answer to a problem 7.

_________to travel around an area to find out about it 8.

_________completely

9.

_________anyway 10._________activity of managing money Task 2

Complete the passage with the words below.

technology

intelligent

applications

artificial

explore

Web

reality

logically

Ask students to finish the exercise individually first,and then check the answers with the desk-mate in pairs. Keys:

1. explore

2. Web

3. technology

4.artificial

5.applications

6.intelligent

7.logically

8. reality ( Leave 2 minutes for students to read the short passage again.) Task 3

Read the story below and then translate the passage into Chinese.

首先一起读英文故事(课本page 20)，然后翻译并学习以下重要短语表达：

1.

be crazy about...

2. play with...

3. over time

2

4. decide to do...

5. As time went by

6. by the time

7. as a result

8. become interested in

9. from then on

10. work hard

11. design programs

12.be connected with... Task 4

Discover useful structures 1.

课文中找出的原句子展现如下：

Eg 1: Over time I have been changed a lot. Eg 2: First as a PC and then as a laptop, I have been used in offices and homes since the 1970s. Eg 3: Since the 1970s many new applications have been found for me.

2.

Exercise2 on page 21 of the book : Example: We have made a plan.(主动)

A plan has been made.(被动)

1）My friend has bought a new personal computer. A new personal computer has been bought (by my friend). 注意事项：①变主动为被动句之前，先画出主动句的主要成分“主谓宾”；

②将主动句的宾语全部提出来作被动句的主语；

③正确选择have / has been + 原谓语过去分词V.ed形式；

④可在过去分词之后加by+原来主动句的主语或主语人称代词的宾格形式，

没必要的话可以直接省略；

⑤原来主动句剩余的成分直接抄写即可。

3.

Practice：Ask students to do the rest of the exercise,and then check answers together. 4.

链接写作

Translation (Ask students to translate the following into English) 众所周知，在我们的日常生活中电脑已经被应用于各个领域。(汉译英) __________________________________________________________________________ Step III Summary and homework:

3

(Finish exercise 3 on page 21 on the book.)

The blackboard design: Unit 3

Computers

----Learning about language The Present Perfect Passive Voice: computers have /has+ been + V.ed As we all know,

computers have been used / applied in different kinds of fields in our daily life. Record after teaching:

4