A technician has been asked to ensure a PC is supplied with power for a short time, during apower failure. The technician should install which of the following devices to ensure thisrequirement is easily met?（）A. Backup power generatorB. Uninterruptable p

题目

A technician has been asked to ensure a PC is supplied with power for a short time, during apower failure. The technician should install which of the following devices to ensure thisrequirement is easily met?（）

A. Backup power generator

B. Uninterruptable power supply

C. Power line conditioners

D. Surge protectors

相似考题

1.How long() you() a member of the club?A.have,,joinedB.have,,beenC.has,,joinedD.has,,been

2.Why()the old block of flats()demolished next month?A、are…beingB、is…beingC、has…beenD、have…been

3.It's useless to ( ) her that she doesn't need to lose any weight.A.believeB.convinceC.sayD.ensure

4.[A\] ensure\[B\] assure\[C\] insure\[D\] reassure

参考答案和解析
参考答案：B
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    A.advised

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    C.complied

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  • 第2题：

    Consequently，a sustainable business model can______companies to better adapt to complex environments and achieve sustainable competitive advantages。

    A.render
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    C.cause
    D.ensure

    答案：B
    解析：
    本题考查近义词辨析。题目意为“因此，一个可持续的商业模式能够使企业更好地适应复杂的环境，实现可持续的竞争优势。”A选项“致使，补偿”，B选项“使能够，使可能”，C选项“引起，造成”，D选项“保证，确保”。空格后面有to，所以空格填一个能接to的动词。固定搭配enable sb/sth to do sth，使可能，B选项正确。
    　　

  • 第3题：

    Care providers also need to help patients to manage their feelings of uncertainty and______them of the benefits of modern medicine and technology which can substantially aid in health improvement。

    A.assure
    B.insure
    C.sure
    D.ensure

    答案：A
    解析：
    本题考查同根词义辨析。题目意为“护理提供者还需要帮助患者应对他们的不确定感，并向他们保证当前现代医学技术可以极大地促进健康改善，而他们可以从中获益。”A选项“使确信，向……保证”，B选项“为……投保”，C选项“确信的，有把握的”， D选项“保证，确保”。固定搭配assure sb. of ，意为“使某人确信，向某人保证”。
    　　

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    The defences and limits of liability ______ in this bill of lading shall apply in any action against the carrier for loss of or damage to the goods whether the action be founded in contract or in tort.

    A.required

    B.provided for

    C.requested

    D.supplied


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  • 第5题：

    The search was based on the same combination of concepts and search terms and______another 176 publications.

    A.yielded
    B.offered
    C.provided
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    答案：B
    解析：
    本题考查近义词辨析。题目意为“这项搜索是基于相同的概念和搜索术语组合，以及_____另外176种出版物。”A选项“屈服，生产”， B选项“提供的”，C选项“提供的”，D选项“供应的”。结合句意，这项搜索被提供了另外176种出版物，B选项offer sb. sth. 提供某人某物，C选项provide sth for sb/provide sb with sth，D选项supply sth to/for sb / supply sb with sth。因此，B选项符合题意，sb was offered sth。
    　　

  • 第6题：

    The room was furnished with the simplest essentials,a bed,a chair, and a table.

    A: made
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    C: gathered
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