Learning about Language优质课一等奖教案

Unit3 Computers

教学内容分析

Learning about language本部分的活动突出了形容词和副词用法的区别，并扣本单元的语法点（现在完成时的被动语态）。

II．教学重点和难点

1．教学重点

(1) 本单元的生词和短语；

(2)

通过学习本单元，使学生了解计算机的发展历程，及其在当今社会的广泛运用；

(3)

鼓励学生用英语表达自己的观点，进行简单的推理和做出决定。

2．教学难点

(1) 教会学生通过时间的先后顺序来表达一件事；

(2) 使学生了和掌握现在完成时的被动语态的用法；

(3) 指导学生按类别归纳整理词汇，让学生学会有效地记忆词汇的方法；

(4) 引导学生发现本单元重点语言结构，让学生自己发现并感悟相关的语言规律，在学习过程中培养语感。

Teaching Procedures: P20 1. Fill the blanks and check the answers altogether. (1) Snow is _______(常见的) in cold countries. (2). Can you _______(估计)the cost of this journey?

(3). The _________(分析) of the samples on the murder spot showed some valuable clues to the police. (4) I shall go and see him ________(无论如何) (5) He's some kind of ________(数学)genius. (6). He is too s________ to work out such a difficult problem. (7). He asked his father's o________ about his plans. (8). How are you going to d________ with the letter? (9). I ________(完全) agree to your plan. (10). This is a t________ beautiful picture. 2. Change the following sentences with the meaning not changed.

(1) I like a lot of what she likes.→

We have a lot______ ______. (2)

Harry helped me with my English, so I learnt a lot.→

I made great progress in English_______ Harry's ______. (3) Time passed quickly. Peter grew into a tall young man.→

With the time _______ _______, Peter became a tall young man. (4) You said it was very special. I don't think so.→

I_______ with what you said. (5) In my opinion, Mickey is the kind of person we need.→

_________, Mickey is the very man we need.

3.

Grammar Purpose: To get Ss to have knowledge of this grammar point: present perfect passive voice.

(1) Presentation

① Revise the grammar: the present passive voice. am / is / are + done ② Revise the grammar: the present perfect voice. Have/has + done

③ Explain the grammar: the present perfect passive voice. ——>Have/has been +done (2)

Discovering useful structures

Answer key for Exercise 1:

1

... my family and I have been used by billions of people to deal with information ....

2

I have truly been built to serve the human race ....

Answer key for Exercise 2:

1

A new personal computer has been bought by us．

2

Many problems have been found with our new computer．

3

A PC has been built the way we wanted．

4

Our computer has just been joined to the Internet．

5

The computer has been used every day by us since we bought it．

6

A lot of e-mails have been written on the computer in the past year．

(3) Practice Purpose: To get Ss to have knowledge of the grammar through exercise. ① Fill the blanks with the correct tense. A. –The window

is dirty.

It ____________ ________ (not clean) for weeks. B. ---George and Lucy got married last week. Did they have a big wedding? ---No, I __________________

(not invite).

Did they have a big wedding? .

C. ---Have you moved to your new apartment?

---Not yet, it _______________(paint) at the moment. D.

too much. The students have been made __________(not play) computer games E.

Since then, all different kinds of information ____________________(处理)by

computers. F.

He doesn’t mind the story _____________(编造) in this way. G.

Do you know how many websites there are

________________(连接)? Suggested Answers:

A. hasn’t been cleaned

B. hadn’t been invited

C. is being painted

D.

not to play

E. has been dealt with

F. being made up

G. to be connecte ② Translating following sentences into Chinese and pay attention to the present passive voice.

A. A new personal computer has been bought. B. Many problems ahs been found with our new computer. C. A PC has been built the way we wanted. D. Our computer has just jointed to the Internet. E. The computer ahs been used every day since we bought it. F. A lot of e-mails have been written on the computer in the past year.

Step 2. Homework

Finish Ex1 (P21), Ex2 (P21) and Ex3 (P21).

Ps:

Unit 3ComputersLearning about languageP20