When does a computer consume the most energy、

试卷相关题目

• 1Which of the following is NOT mentioned in the text that contributes to the different amount of energy a computer consumes、

  A.Whether it is a laptop or a desktop computer.

  B.What kind of work the computer is dealing with.

  C.The choice of how you use your computer.

  D.whether the computer systems are new.

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• 2If sleep mode goes wrong, what will probably happen to your computer、

  A.It will consume as little energy as possible.

  B.It is more likely to be damaged by a virus picked up from the Internet.

  C.It will have to be rebooted when used again.

  D.It has to be shut down and unplugged.

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• 3The reason why a desktop computer uses more energy than a laptop computer is that________.

  A.a desktop computer’s monitor is separate and often larger

  B.a desktop computer is larger than a laptop computer in size

  C.a desktop computer performs more kinds of work than a laptop computer

  D.a desktop computer is not energy-efficient

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• 4Which of the following is implied in the first two paragraphs、

  A.Frequent starting and stopping can damage a computer.

  B.A computer’s longevity depends more on the proper way you use it.

  C.A virus picked up from the Internet is likely to damage a computer.

  D.The more often you use a computer, the more smoothly it works.

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• 5Which is TRUE according to the passage、

  A.In America a self-cleaning paint was modeled on the lotus flower.

  B.Zimbabwe engineers learned from termites to create highly advanced heating systems.

  C.After the boxfish，many other ideas of new products are borrowed from nature.

  D.Nature is a good source to turn to for improving technology.

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• 6The clumsy-looking boxfish interested the scientists because of the following reasons EXCEPT that________.

  A.it swims using little energy

  B.being boxy, it looks quite like a car

  C.some engineers had researched on how to swim easily in the water

  D.it is a speedy swimmer

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• 7Why did top engineers in Germany go to the natural history museum、

  A.They wanted to pay a visit to the animals there because they were so lovely.

  B.They wanted to carry out a research of boxfish and dolphins.

  C.They wanted to search for a model to base on for building a more-efficient car.

  D.They wanted to study the science of survival.

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