Unit 5　Look into Science

Ⅰ.听句子,选出句子中所包含的信息。每个句子读两遍

1.Let’s do an experiment together.

2.What are you looking for?

3.The sunset today is around 5:15.

4.Not only Danny but also Jenny likes science.

5.It took me three hours to find the butterfly.

Ⅱ.听句子,选出该句的最佳答语。每个句子读两遍

6.How do scientists identify a person?

7.Do you know the four great inventions of China?

8.A robot can help you wash clothes.

9.Where does your DNA come from?

10.What’s the disadvantage of the computer?

Ⅲ.听对话和问题,选择正确答案。对话及问题读两遍

请听第一组对话,回答第11题。

W:What do you need,Bob?

M:I need a candle and an umbrella.

Q:Which one doesn’t Bob need?

请听第二组对话,回答第12题。

W:The telephone is very useful in our daily life.

M:That’s right.When was it invented?

W:In 1876.

Q:What are they talking about?

请听第三组对话,回答第13题。

W:I think it’s helpful to change the DNA of some plants.

M:I don’t think so.Changing the DNA is very dangerous sometimes.

Q:What does the boy think of changing the DNA?

请听第四组对话,回答第14,15题。

W:Why haven’t you left the office yet? It’s so late now.

M:I still have a project to do.When I finish it,I will go home.

W:Here is a ticket to the film tonight.Mary asked me to give it to you.She will wait for you at half past seven at the gate of the cinema.

M:Oh,I’m not sure whether I will be able to be there on time.

W:Why not leave it until tomorrow? If you are late,Mary won’t be happy,I think.

M:All right.I will do the project tonight after I see the film.

Qs:14.Where will Mary wait for the man?

15.When will the man do the project?

请听第五组对话,回答第16至18题。

W:Hey,Sam.I saw you at the supermarket with your mum yesterday afternoon.

M:You are kidding.I went to the gym then.

W:But the man looked really like you.He is tall and has short hair.

M:It must be my twin brother Mike.

W:I’ve never heard that you have a twin brother.

M:Yes.My brother lives in California.He came to New York to visit us this week.

W:Have a good time!

M:Thanks.

Qs:16.Where did Sam go yesterday afternoon?

17.What does Sam look like?

18.What did Mike come to New York to do?

Ⅳ.听短文和问题,选择正确答案。短文及问题读两遍

请听第一篇短文,回答第19至21题。

Do you have a computer? I have one.I like it very much.I use it to write compositions,read sports news,listen to music,search for something useful,deal with e-mails and chat with my friends.It’s really my good helper.

Thanks to my computer I’ve learnt something that I can’t learn from textbooks.My computer becomes my close friend now.

Qs:19.What doesn’t the speaker use his computer to do?

20.Can the computer give the speaker something that the textbooks don’t have?

21.What does the speaker think of his computer?

请听第二篇短文,回答第22至25题。

Now machines are widely used all over the world.Why are machines so important and necessary to us? Because they can help us do things better and faster.

A washing machine helps us wash clothes quickly.A printing machine helps us print a lot of books,magazines,newspapers and many other things quickly.Bicycles,cars,trains and planes are all machines.They help us travel faster than on foot.

The computer is a wonderful machine.It was invented not long ago.It not only keeps more messages but also counts faster than a man does.

Qs:22.How can machines help us when we do things?

23.What is a printing machine used for?

24.When was the computer invented?

25.Which of the following is TRUE?