Learning about Language第二课时教案

Unit 3

Computers

I 教学内容分析

本单元的中心话题是“计算机”。

Warming up部分用图片呈现了计算机发展的历史，让学生通过看图讨论的方式了解计算机的发展和演变过程。

Reading部分编者采用了拟人化的手法向读者介绍了计算机的发展历程。

Comprehending部分包括三个练习，分别从事实层面、分析层面和拓展层面考察学生对文章的理解和运用情况。

Learning about language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）。

Using language部分的听力材料中谈论的是信息技术的几种形态或载体（包括收音机、书籍、电视和电脑；在读说活动中，通过智能机器人参加足球赛的经历向读者介绍了计算机运用的另外一个例子。

Learning Tip部分鼓励学生利用图书馆，网络等课外资源学习英语，有利于学生使用资源策略。

Reading for Fun 部分是一首活泼风趣的小诗，以拟人的方法让机器人自述了心声：尽管日夜忙碌，为人服务，但它相信自己和真实的人类没什么两样。

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。

III．教学计划

本单元分六课时：

第一课时：Warming Up, Pre-reading, Reading 第二课时：Language points

第三课时：Learning about language

第五课时：Speaking, Reading, Writing

Period 3 Learning about Language

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Teaching Goals:

1. To enable Ss to master some new and useful words and expressions. 2. To get Ss to have knowledge of the difference between adjectives and adverbs. 3. To get Ss to understand present perfect passive voice. Teaching Important Points: 1.

To get Ss to understand the differences between adjectives and adverbs.

2.

To get Ss to understand present perfect passive voice. Teaching Difficult Points: 1.How to get Ss to understand present perfect passive voice. 2. How to help Ss memorize the useful words and expressions. Teaching Procedures: Step 1. Revision Get Ss to review the useful words and expressions of this unit. Step 1. Practice 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.

Step 2.Grammar Teaching Purpose: To get Ss to have knowledge of this grammar point: present perfect passive voice.

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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.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 3. Summary

Purpose: To get Ss to consolidate what they have been taught in this period. Step 3. Homework

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

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