Unit 3Unit 3

Using language-Reading and writing

Improve the students’ reading ability (skimming and scanning).Enable the students to grasp the useful words and expressions.Practice the students’ writing.

Lead-in

Telephones become part

of our life. But do you know

who invented the telephone?

A British inventor called

Alexander Graham Bell.

Discuss the following questions in

groups:

1. What do you know about the inventor?

2. How useful is his invention to human

society? Why?

Pre-reading

Read the passage quickly and find

out the main idea of it.

Scanning

It mainly talks about the life of

Alexander Graham Bell and how he

made the great inventions.

Listen to the tape and try to answer

the questions on Page 26.

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

2. What do you think led to his success as

an inventor of the telephone?

3. What inventions did Bell make?

4. Why will he always be known as

the inventor of the telephone?

1. What does Bell’s saying mean to

you?

His saying means that it is important to

be experimental. By being curious and

exploring around a subject you may by

chance come up with some new and

original ways of solving a problem.

2. What do you think led to his

success as an inventor of the

telephone?

His curiosity and exploring spirit led to his success as an inventor of the telephone.

3. What inventions did Bell make?

Bell invented the telephone and the tet

rahedron shape by chance. Both of the

se are extremely useful and still used t

oday.

4. Why will he always be known as the inventor of the

telephone?

He will always be known as the inve

ntor of the telephone because it was

a very popular invention and the pa

tent made the most money ever.

Language study

1. This interest led him to invent the microphone.

◆lead sb to do sth=cause sb to do sth 导致某 人做某事 What led you to believe I was ill?

◆ lead sb to sp 令某人到某处 ◆lead to 导致；通向

2. 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. Follow it up, explore all around it,

and before you know it, you will have

something worth thinking about to occupy your

mind.

dive into

He dived into the history of China ． 他潜心研究中国历史。 He dived into his pockets and fished o

ut one dollar ． 他迅速把手伸进口袋掏出了一美元。

跳水 ( 头朝下 ) ；迅速把手伸入； ( 对活动，问题等 ) 全心投入，潜心研究

The boy dived into the river from the

bridge

这男孩从桥上跳入河中。 dive into 作 “潜心于……” 讲时和 dev

ote oneself to sth. 的意思一样，但 devote

oneself to sth. 还有“投身于…… ; 把自己奉献给……” 的意思。

He ____ his career and made a great

contribution to our country.

A. dived himself into

B. devoted himself to

C. dived into

D. devoted to

every / each time 意为“每次 ; 每当” , 此 短语在句子中经常作连记词 , 引导时间状语从句做连词的名词 , 引导时间状语从句。能用做连词的名词短语还有： the first time 第一次 last time 上次； next time 下次； the instant / moment / minute /

second … that 一 ……就

____ I see him, the old man is sit

ting in the same chair.

A. Every time

B. Every time when

C. At each time

D. Each time that

3. Bell never set out to invent the tele

phone and what he was trying to desi

gn 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 (to do sth.)开始（做某事） , 着手干 ; 为某个目标而努力 They are setting out to do a new expe

riment. 他们正在着手干一项新的试验。 He set out to break the record for the

channel swim. 他决心打破游过海峡的记录。

set out to do sth. = set about doing sth.

set out for = set off for = leave for

意为“出发到……去”Let’s set out before dark.

我们天黑前动身吧。Tomorrow I’ll set out for Beijing.

明天我将出发去北京。

1). At dawn, they set ____ to get ready

for the work of the day.

A. off B. about

C. out D. in 2). They set ____ at about 8 o’clock.

A. about to work

B. about to working

C. about working

D. out work

3. They ____ the mountain at noon.

A. set off to

B. set out to

C. set out for

D. set off in

4. 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.

5. Being very stable, it has proved invalu

able 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 ver

y stable 的省略句 , 它在句中作原因状语。

stable:

1. The patient’s condition is stable. 患者病情稳定。2. The ladder doesn’t seem very stable. 这架梯子好像不太稳。 a stable relationship 稳定的关系

adj. firmly fixed; not likely to

move, change or fail; steady稳固的；稳定的；牢固的

6. Although he will always be known for

his invention of the telephone, he was in t

ruth a continuing searcher after practical

solutions to improve the quality of everyb

ody’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。

in truth 说实话 ; 说真的 ; 老实说 She laughed and chatted but was, in

truth, not having much fun.

她虽然又是笑又是侃 , 但实际上玩得并不开心。 I was in truth a miracle.

这确实是个奇迹。

practical 实际的 ; 实践的 ; 实用的 I want some practical advice. 我想要些实际性的建议。 It wouldn’t be practical for us to go all

that way just for the weekend. 我们跑那么远只为了去度个周末实在很不切实际。 The dictionary is very practical. 这本词典非常实用。

WritingWriting

Now write a letter to James

Dyson asking him for a job in his

company. Here is the beginning

and ending:

Dear Mr Dyson,

I would like to apply to become an assistant i

n your company.

…

I would be grateful if you would consider em

ploying me in your company.

Yours sincerely,

(your name)

● Use the list of skills to make new paragraphs

in your letter.

● For each skill set down any experience you

have had, which shows that you are a suitable

person. You may be creative in this part of the

letter.

● Finish the letter by mentioning again the

skills that you have.

Information

Dear Mr Dyson,

I would like to apply to become an assist

ant in your company.

I expect to get a degree in mechanical en

gineering from Beijing University at the

end of this year. I have always been a go

od student and last year I finished

Sample writing:

third in my year and my professor

expects me to do even better in this

year’s exams.

I have worked (in my holidays) for a

company that makes toys for the

Western market. I helped in the design

department and designed a range of new

panda playing cards and board games.

It was fun and made me think that I

would like to work in a real inventor’s

company.

I understand that my qualifications and

experience are what you look for in a

new employee. So I would be

grateful if you would consider

employing me in your company.

Yours sincerely,

Lin Xue

1) Read the passage on page 66, and do the exercises following the passage (from 1 to 3 on page 67).2) Finish your letter after class.3) Revise the words and language points in this unit.4) Finish “Summing up”.

Homework