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Unit3 using language Alexander Graham Bell Step1 自主学习

1.

Preview the lesson and find out the information about the inventor of the telephone and his invention. Step 2 合作探究

1.

Homework checking：what do you know the inventor of the telephone and the invention. 2.

Detailed-reading Task1 Scanning

Read the passage quickly and find out the main idea of it. 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 Task 2

精讲释疑

Details for each paragraph 1.

General idea of each paragraph(找出正确的段意，并连线) para.1

A. Bell is a continuing searcher para.2

B. Bell’s life information, and especially interest

para.3

C. Bell’s curiosity

para.4

D. How was the telephone invented? para.5

E. The importance of his invention-- telephone

para.6

F. Bell’s first telephone message

para.7

G. Bell’s new discoveries in other areas of invention 2. Reading for details about para1 Q1.What is his interest when he was young?

And why? Further-reading about paragraph 2 1.

Bell believed that if one wanted

to make some inventions, one should have __ about the world. A. confidence

B. curiosity

C. a will 2.Please find out a sentence in Para. 2 to replace the following sentence. Whenever you do , you will be sure to find something that you have never seen before.

Para.3.How was the telephone invented? Complete the short passage

according to Para.3

Bell never ______to _____ the telephone. He wanted to improve the _______

telegraph

so that it could

send ______ messages at a time. He designed a

machine that would _______

different sound waves. But the problem is _______ to solve.

One day, while

he was experimenting with

one end of a straw _____

to a deaf

man’s

eardrum

and

the other end to a piece

of

smoked

glass. Bell ______

that

when he spoke into the ear, the straw drew sound waves on the glass. He

thought

if sound

waves

could

be reproduced in a moving

electrical_______ , they could

be sent along a ____ . So the ____ telephone was born. Para6. What is his new discovery? How did he discover? 2.

Summary：

Give the right order according to the text, and the first sentence is given. 1. He was born in 1847 in Scotland.

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2. In 1876, he invented the telephone . 3. Bell wrote a letter to his father. 4. He made some other inventions 5. He sent the first message to his assistant 6. He invented the microphone. Bell was an inventor all his life.

…

_____,_____,_____,____,____,_____ Step3 合作探究

role play 情景介绍：你和你的同伴就有关发明电话的问题进行交谈。

任务：1）请根据中文提示提出问题。

2）请你的同伴根据课文内容回答你的提问，然后你们互换角色进行口语练习。

Questions

1.谁发明了电话？

2. 电话对人类有用吗？为什么？

3.是什么使Alexander Graham Bell成为一名伟大的发明家？为什么？

4. Alexander Graham Bell发明了许多东西吗？

5. 为什么人们总记得是他发明电话的？

Step 4 检测训练

Retelling

Please retell the passage in your own words. The questions you asked and the following key words may help you . Key words:

…1876… invent…

…curiosity…the key to success…because…

… an inventor …all his life …make other inventions…

...telephone…

useful …

…be known as…inventor of the telephone

Step5 Homework Please write a composition about Alexander Graham Bell.

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