Lesson 3 Clean MachinesLesson 3

Clean Machines

高一英语 张月苹

Name HongqiMade in ChinaName HongqiMade in China

Mercedes Benz

Made in Germany

Mercedes Benz

Made in Germany

Name b.m.w

Made in Germany

Name b.m.w

Made in Germany

Made in Germany

Made in America

Buick

HondaMade in Japan

Made in French

Citroen

The car has an important effect on

our life. Can you talk about it?

Including its disadvantage.

In your opinion, how should we

improve the car?

The car has an important effect on

our life. Can you talk about it?

Including its disadvantage.

In your opinion, how should we

improve the car?

What’s this?What’s this?Solar CarSolar Car

Why do scientists develop the kind of

car?

Where do the cars get their power from?

Why do scientists develop the kind of

car?

Where do the cars get their power from?

Scientists have been making solar cars for over twenty years. They have made cars that go up to 80 k. p. h.!

Scientists have been making solar cars for over twenty years. They have made cars that go up to 80 k. p. h.!

What do you want to know anything

else about solar cars?

Read the passage and circle the best

answers.

1. If the weather is bad, there is no sun

A. you can’t use solar car.

B. you have to use petrol in solar car.

C. you can use solar car.

D. you must slow down the speed at

40 k.p.h.

C. you can use solar car.

2. It can be inferred from this text that:

A. there is no doubt that solar cars have

been more and more popular.

B. you can take a long trip by solar car.

C. solar cars are cheap, clean and safe.

D. Marie Logan is a professor from

Queensland University.

B. you can take a long trip by solar car.

3. All the facts are mentioned except for

_____.

A. solar cars will not pollute the enviro

nment.

B. a lot of people haven’t realized the p

otential of solar cars.

C. solar cars speed is becoming faster.

D. solar cars shapes are special.D. solar cars shapes are special.

1. Marie Logan began designing cars

when she was a student.

2. She has won most of her races.

3. The team has nearly finished

building a solar car.

T

F

F

Read the interview about solar cars.

Are these statements true or false?

4. Marie has written a book about

solar cars.

5. Solar cars can work even in

cloudy weather.

F

T

Language points

1. be worried about 为某事担心 , 焦虑

The whole family were worried abo

ut his safety.

全家人都为他的安全担心。

What are you worried about?

你发什么愁？

2. so far 到现在为止 常与现在完成时连用。 They have so far failed to get in touch

with the company.

他们一直未能与公司取得联系。

So far this month we have covered t

en lessons in our grammar book.

到这个月我们已经学习了语法书的 10 课书。

3. persuade…of 使……信服某事 She was not persuaded of the truth

of his statement.

她不相信他的话是真的。

He managed to persuade us of the work

ability of the plan; now we had to persu

ade the boss.

他说服我们相信了这个计划的可行性 ,

现在该我们去说服老板了。persuade sb. to do sth. 劝说某人做某事

The salesman persuaded us to buy h

is product.

售货员劝说我们买了他的产品。

4. reach 达成 , 达到 The cost of the war reached billions

of dollars.

战争消耗了数十亿美元。

No agreement was reached between

the two nations.

两个国家没有达成一致协议。延伸The woods reach as far as the river.

树林一直延伸到河边。

伸手够Can you reach the top shelf?

你能够到上面那个架子吗？

We use the Present Perfect to talk

about a finished activity

(achievement) and the Present Perfect

Continuous to talk about an

unfinished activity.

Grammar

I’ve read Hamlet.

I’ve finished reading it.

I’ve been reading hamlet.

I haven’t finished reading it.

We use the Present Perfect to focus

on a result of an activity, especially

when we give a number or quantity.

We use the Present Perfect Continuous

to focus on the activity itself, especially

to explain visible consequences of it.

He’s run three miles.

focus on the result: He’s covered

the distance of three miles.

He’s been running for an hour.

focus on the activity and its

consequences: This is what he’s

been doing for the last hour and

why he is exhausted now.

Grammar Practice

1. You want to find out why someone

is late.

a) What have you been

doing? b) What have

you done?

a) What have you been doing?

Which sentence, a or b fits each

situation best?

2. You want to talk about your success

in your training programme.

a) I’ve been running today.

b) I’ve run three miles

today.

b) I’ve run three miles today.

3. You want to complain about your

garage.

a) They’ve been repairing my car

for over a week.

b) They’ve repaired my car.

a) They’ve been repairing my car

for over a week.

Mike: At last! Where ____________

(be) you? I ________________

(wait) for an hour.

have you been

have been waiting

Put the verbs in brackets in the Present

Perfect or Present Perfect Continuous.

Helen: Sorry, I _____________ (talk)

to an old friend. I ___________

(not see) her for years. And

imagine, we met in the middle

of the street, just like that.

Mike: What ___ she __________(do)

since you last saw her?

’ve been talking

haven’t seen

has been doing

Helen: She ______________ (work) for

a computer company but she

wants to change her job. She

___________________ (not get

on ) well with her boss recently.

’s been working

hasn’t been getting on

Mike: Our company is looking for a

operator. (8) ___________

(have) any interesting offers

yet?

Has she had

Helen: I don’t think so. She __________

_______ (not look) for a long

time. She just _____________

(start).

Mike: Then tell her about this offer.

She’ll appreciate it.

hasn’t been

looking

has just started

1. More patients ____ in hospital this

year than last year.

A. treated B. had been treated

C. has been D. have been treated

D. have been treated

PracticePractice

2. The first use of atomic weapons

was in 1945, and their power ___

increased enormously ever since.

A. is B. was

C. has been D. had beenC. has been

3. She has set a new record, that is, the

sales of her latest book ___ 50

million. A. have reached B. has

reached C. are reaching D.

had reached

4. How can you possibly miss the news?

It ____ on TV all day long.

A. has been B. had been

C. was D. will be

A. has been

A. have reached

5. --- __ David and Vicky __

married? --- For about three

years. A. How

long were; being B. How

long have; got

C. How long have; been

D. How long did; get

C. How long have; been

6. ---- Hi, Tracy, you look tired.

---- I am tired. I __ the living

room all day.

A. painted

B. had

painted

C. have been painting

D. have painted

C. have been painting

Finish Exercises on P41.