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It can be learned from the last two paragraphs that cloud whitening ________.

发布时间:2024-07-14

A.helps us learn more about global warming

B.means cutting CO2 emissions

C.is the best way to deal with climate change

D.can’t stop global warming basically

试卷相关题目

  • 1Compared to other projects, cloud whitening ________.

    A.has a greater effect on volcanoes

    B.will bring more benefits

    C.will benefit man’s health most

    D.can reduce temperatures in a better way

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  • 2The fourth paragraph mainly tells us ________.

    A.ways to deal with climate change

    B.the costs to deal with climate change

    C.cloud whitening costs much less than other projects

    D.leading nations waste much money in cutting CO2 emissions

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  • 3“Marine cloud whitening” has an effect on global warming by ________.

    A.cutting sunlight

    B.sending cold air into space

    C.cooling water in the air

    D.cooling air with water

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  • 4Finger-prints have often been used as a method of solving criminal cases because it ________.

    A.is complicated but reliable

    B.is simple and not expensive

    C.is expensive but easy to do

    D.can bring a lot of money

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  • 5Some criminals remove their own finger-prints by ________.

    A.using printer’s ink

    B.injuring the inner skin

    C.damaging the outer skin

    D.damaging the colour

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  • 6If 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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  • 7Which 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 operating systems are new.

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  • 8When does a computer consume the most energy、

    A.When we let it remain idle.

    B.When we use it to do complex calculations.

    C.When we use it to type some documents and e-mail.

    D.When we use it for surfing the Internet.

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  • 9The 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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  • 10Which 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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