Don’t enter the classroom．The desks and chairs now． [ ] A． are being painted B． are being painting C． have painted D． are painted 题目和参考答案——青夏教育精英家教网—

题目内容

Don’t enter the classroom．The desks and chairs ________ now．

[　　]

A．

are being painted

B．

are being painting

C．

have painted

D．

are painted

答案：A
解析：

不让进教室，说明后面正进行着某一动作。根据时间状语now的提示，应该用现在进行时态。主语the desks and chairs是第三人称复数形式，谓语应该是现在进行时态的被动结构，故A项正确。

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　　The internet is a computer network that uses the telephone system to link together millions of computers around the world.

　　Maybe that doesn't sound incredibly exciting but once you're connected to the Internet, there are lots and lots of different things you can do. You can send electronic messages or “E - mail” to your friends (as long as they're on the Internet too), or you can sort through all sorts of information on something called the World Wide Web.

　　You don't need to know how the Internet works in order to use it, but if you understand the basics it may help you solve any technical problems you have - - and of course you can impress your friends with your Net knowledge!

　　You may think that your telephone is just for talking. But as long as you have the right equipment, you can use a telephone line to transmit computer data as well as sounds. If you plug your computer into the telephone system it can receive information from and send information to other computers (as long as they are plugged into the telephone system too).

　　Computer data is made up of electronic signals. A computer language called TCP/IP (which stands for Transmission Control Protocol/ Internet Protocol if you like to know these things) is used to move computer data around the Internet. Many of the links, for example, those which transmit computer data across the Atlantic Ocean, are special fibre optic cables (光导纤维电缆). Fibre optic cables use light to transmit information. They can carry a lot more data than an ordinary telephone line and they send it a lot faster!

　　There are all sorts of computers connected to the Internet. Most are small machines sitting on people's desks but many are powerful computers in Universities, government offices of large companies.

　　The personal computers and cables which made up the Internet are owned by people and organizations, but no one actually owns the Internet itself. This means that no single company or group can control what happens on the Internet - - so anything can happen!

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[　　]

A．What the Internet is?

B．How big the Internet is?

C．Where you'd better get on the internet?

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2．The underlined word “transmit” means ________.

[　　]

3．If you have some laws of the Internet working, the writer of the text would most probably consider it ________.

[　　]

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[　　]

A．there are too many people on the Net to count

B．no single organization runs the Net

C．some people on the Net don't enter their names on the list

D．many computes are private

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D.Transfer to other jobs that use computers.

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B.they have no other better choices?

C.they have got used to a certain job?

D.they have no other skills and interests?

“Put all your eggs in one basket” here means

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witnessed poisonous accommodations yelled relationship pension net cave rent abandon

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