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(   ) 2. QQ _____ chatting online by many people,and it's very convenient(方便的).
A. is used to    B. is used for

C. is used as    D. is used by

2. B be used for doing ...意為"被用來做……"。

題目來源：仁愛英語同步練習冊九年級上冊仁愛版 > Topic1 When was it invented?

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Li Hong;Hello,Zhang Ming. I wonder if you could tell me something about the Internet. 

Zhang Ming: Sure. 1

Li Hong ： We'd better start from the beginning. 2 

Zhang Ming ： The Internet is a network (網絡)of thousands of networks connected.

Li Hong ： 3

Zhang Ming ： Almost everything. For instance ， you can do shopping and business on it. And you can communicate with your friends online.

Li Hong ： Amazing ！4

Zhang Ming ： So it is. I advise you to master it well. It can change your life.

Li Hong: 5 Thanks for your introduction.

A.  I think so.

B.  What do you want to know?

C.  What can I do on the Internet?

D.  The Internet is so magical ！

E.   I almost know nothing about it.

1.______ 2._______ 3._______

4.______ 5._______

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(   ) 3. ―Can you tell me something about Mars?

     —Sure. Mars goes around the sun. It's_______smaller than the earth in diameter.

A. much    B. many

C. a few    D. little

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(   ) 6. ―Why are you so sad?

       —I've ______  here and there ______ my passport in my room ， but I failed.

A. looked ; at    B. looked ; for 

C. searched; at    D. searched;for 

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 You might have seen aliens in books and movies. They look strange. They are very smart. They travel in spaceships. But are there really aliens in space ？ British scientist Stephen Hawking,68， thinks so. He said that people should not look for aliens because they are dangerous.

  On a new British TV program,Hawking said ， " It is quite possible that there are aliens in space. " The universe has many stars. Earth is probably not the only place with life on it,according to Hawking. Hawking said that aliens may live on planets or stars. "We should work out what aliens might look like," he said. "They could be microbes (微生物).They might live in big ships because they have used up all the resources from their home planet. " He thought such aliens might get resources from the Earth and then move on. He said people should not try to find aliens. They may bring disaster (災難)to the Earth.

  In another British TV program ， British scientist Brian Cox said aliens may live on Mars and a moon of Saturn (土星).Early this year,

  British scientist Martin Rees said in a meeting, "There might be aliens ， but humans may not be able to understand them."

根據短文內容，選擇正確答案。

(  ) 1. How many scientists were mentioned in the passage ？

A. Only one. B. Two.
C. Three. D. Four.

(  ) 2. Which of the following is TRUE,according to Hawking?

A.  People may find aliens in big boats.

B.   It's possible that aliens live on planets or stars.

C.   Aliens might help us get resources from stars.

D.  Aliens' home planet has enough resources.

(   ) 3. What does Stephen Hawking think of the aliens?

A. Friendly. B. Dangerous.
C. Kind. D,Stupid.
(   ) 4. From the passage,we know that____ .

A.  aliens look like a big plate

B.  aliens may live on a moon of Saturn

C.  aliens will move to the earth

D.  humans can communicate with aliens 

(   ) 5. The best title of this passage may be

A.  Visitors from Space

B.  Stephen Hawking

C.  A Science Report

D.  Strange Mars

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(   ) 2. ―____ that the Underground Line 5 will be built in our city in 2014.

      —Great. We can go anywhere quickly in our city.

A. It says    B. It's said

C. It said    D. It was said

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(   ) 8. ―When _____ __ you ______  for Guangzhou? 

      —The day after tomorrow.

A.  have ; left

B.  are ; leaving

C.  did ; leave

D.  would ; leave

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1. Computers are used to search for information online.(同義句轉換)

Computers are      for information online.

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3. 在她找到解決這個問題的辦法后，馬上就和朋友分享了。

After she found out the way to solve the problem ，she      it ______  her

friends at once.

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