题目内容

A ________ opinion, quality or thing belongs or relates to one particular person rather than to other people.

A. public B. favorite C. Personal

C

【解析】

试题分析:句意:一个个人的观点、特征或者属于或涉及到某个人的事而不是其它人的事。Public公众的,大众的;favorite最喜欢的;Personal个人的。根据题意,故选C。

考点:考查形容词。

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Did you hear of the supercomputer? Recently, China’s Tianhe-1 (天河一号) was ranked as the world’s fastest supercomputer, according to a new list of world’s TOP 500 supercomputers.

It took 200 Chinese scientists two years to build the fastest supercomputer. It can do 2,507 trillion (万亿次) calculations in a second! That means it will take a personal computer 600 years to finish the work that a supercomputer does in a day!

The US now leads the world in the area of supercomputers. It is home to more than half of the world’s top 500 supercomputers. Japan also has advanced technology. China is developing its supercomputer technology quickly. But experts say it will take years before China’s total computing power can catch up with that of the US.

Supercomputers can work on many different things. They can solve problems in areas like national defense (国防), energy and science. In business, you can also use supercomputers. Oil companies use them to find oil and gas. Banks use them for quick trades. Food companies even use supercomputers to make sure that they put potato chips into cans without breaking them.

To make a supercomputer, scientists first need to link (连接) thousands of small computers together. Then they use software to turn them into one supercomputer. In fact, any person with enough knowledge about computers can make a supercomputer. But you need the top technology to make a supercomputer run fast.

1.The world’s fastest supercomputer ________.

A. was made in America

B. was made within two months

C. can do 2,507 trillion calculations in a minute

D. was made by 200 Chinese scientists

2.Among the world’s top 500 supercomputers, ________ of them are made in the US.

A. less than 20% B. more than 50%

C. less than 50% D. more than 20%

3.The main idea of the fourth paragraph is ________.

A. supercomputers can be used in different kinds of areas

B. supercomputers can work fast

C. supercomputers can only be used to find oil and gas

D. supercomputers can be used to make money

4.According to the passage, to make a supercomputer, ________.

A. you needn’t know enough knowledge about computers

B. you need to know how to play computer games

C. scientists first need to link thousands of small computers together

D. scientists first need to make some software

5.Which of the following is true?

A. A personal computer needs 300 years to finish the work that a supercomputer does in a day.

B. Japan now leads the world in the area of supercomputers.

C. Supercomputer can be used by food companies.

D. Scientists needn’t use software to turn small companies into one supercomputer.

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