Using LanguageⅡ多媒体教案及点评

M8

Unit3

Using language

Teaching goals 教学目标

1. Target language目标语言：

重点词汇和短语

forehead, dot, tap, wire, straw, current, helicopter, triangle, stable, practical, beaten track, dive into, set out (to do),

2. Ability goals能力目标

Enable the Ss to learn about the famous inventor Alexander Graham Bell and his inventions. 3. Learning ability goals 学能目标

Help the Ss learn how the famous inventor Alexander Graham Bell invented telephones Teaching important & difficult points教学重难点

How the famous inventor Alexander Graham Bell invented telephones Teaching methods教学方法

Task-based method, reading and discussion. Teaching procedures & ways.教学过程与方法

Step I Revision and Lead-in 1.

Check the homework. 2.

Brainstorming:

How to be a good inventor? 3.

Do you know the following scientists and what things they invented? Match the following two columns. 4.

Among the inventions above, which invention do you think is the most important one? Why? How did they change people’s daily lives?

Step II Pre-reading Telephones become part of our life. Do you know who invented the first telephone? What do you know about the inventor? Step III Reading Reading Task 1: Get some general information of Bell.

Date

In 1847 when he was young 11 years old In 1876 75 years old Information

Task2

Choose the best answer.

1. The text mainly tells us some information about_______ .

A. Bell and his telephone

B. Bell and his telegraph

C. Bell and his helicopter designs

D. Bell and his inventions 2. Bell invented ______ by chance according to the text.

A. Morse code

B. telegraph

C. telephone

D. tetrahedron 3. We can infer from the text that ______.

A. doing research in telegraph helped Bell greatly in inventing the telephone

B. Bell was given the patent after he succeeded in sending the first telephone message

C. in order to make the bridges stronger Bell discovered telephone

D. Bell discovered so many practical solutions that he must be a millionaire Task3

Answer the questions. 1. What does Bell’s saying mean to you?

2. What do you think led to his success as an inventor of the telephone.? Step IV Useful expressions and sentences. 对…感兴趣, 对…好奇, 踩出来的路, 一心投入, 值得思考, 导致, 开始(做) 一次, 同时, 发现问题很难解决, 注意到, 寻找, 和---有关

1. He believed that one should always be curious and his most famous saying was: “Leave the beaten track occasionally and dive into the woods. Every time you do you will be certain to find something that you have never seen before.

1) dive into 2) every / each time

3)beaten track: 被踩出来的路；常规；惯例

2. Bell never set out to invent the telephone and what he was trying to design was a multiple telegraph. 贝尔从未打算发明电话而是试图设计一种复式电报。

set out

3.

Suddenly he had a flash of inspiration.突然间, 他灵光闪现。

a flash of inspiration

指“灵感的闪现”

inspiration

4. If sound wave could be reproduced in a moving electrical current, they could be sent along a wire.如果声波能够在移动的电流中复制, 它们就能够被沿电线传送。

1) reproduce vt. 复制; 再现……的形象或声音

2)current 5. The patent was given in 1876, but it was not until five days later that Bell sent the first telephone message to his assistant, Watson.

这项专利是1876年发布的, 但是贝尔是在5 天之后才跟他的助手华生通了第一次电话。

It is/was not until… that …. 这是强调not until 引导的时间状语从句句型。

It was not until he finished his homework that he went to bed. 6. Being very stable, it has proved invaluable in the design of bridges.

(四面体)十分稳定牢固, 在桥梁设计领域的价值难以估量。

Being very stable, 是Because it is very stable的省略句, 它在句中作原因状语

stable:

7. Although he is most associated with the invention of the telephone, he was indeed a continuing searcher after practical solutions to improve the quality of everybody’s life.

虽然他一直以发明电话闻名于世, 但是他的确是一个永不停息的探索者, 不断寻求着改善人们生活质量的可行方法。

1) associate

2) practical

8.

tap StepV

Discussion:

What can you learn from Alexander Graham Bell? StepVI

Extensive Reading.

Homework: 1. Go over the language points of the unit. 2. Speaking activity(p26).