The atoms of a certain substance are () in such a way that they produce coherent light.A.excitedB.producedC.createdD.chosen

题目
The atoms of a certain substance are () in such a way that they produce coherent light.

A.excited

B.produced

C.created

D.chosen

相似考题

1.Einstein watched it in delight, trying to ______ the operating principle.A. induceB. introduceC. deduceD. produce

2.We are()in the future of our motherland.A、awareB、confidentC、sureD、certain

3.We introduce ourselves () importers and exporters of light industrial (), having many years experience in this line of business.A、as,produceB、like,productsC、as,productsD、like,produce

4.It is ______ that he has passed the examination, and I am _____ I will pass it tooA.certain; certainlyB.certain; sureC.sure; certainlyD.certainly; surely

参考答案和解析
正确答案：A
解析：excite, 刺激;produce生产;create 产生;chosen，chose的过去分词，选择。根据句子的意思应该选择A.
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  • 第1题：

    Most people are familiar with the idea that all matter() atoms.

    A、consists of

    B、consist of

    C、is consisted ofare consisted of


    参考答案：B

  • 第2题：

    Oneofthekeydecisionmakingfactorsinaverycompetitiveopportunitywillbecost. CompanycomneedsanaggregaterPerfratingof120.Whatisthebestsolution?()

    A.Twop557016way1.9MHzmachines

    B.Onep559032way1.65MHzmachines

    C.Onep559532way1.65MHzmachines

    D.Twop557016way1.65MHzmachines


    参考答案：D

  • 第3题：

    第60题答案是__________

    A.first
    B.last
    C.latest
    D.certain

    答案：A
    解析：
    联系上下文可知，这个学生只听了老师第一节课，之后就一直缺席。此空格处意为如果不是被你的课弄糊涂，我就不会犯那个错误了。first“第一”，符合句意，故此处选A。

  • 第4题：

    The author thinks that the influence of hard times on society is____.

    [A]certain

    [B]positive

    [C]trivial

    [D]destructive


    正确答案：A

  • 第5题：

    According to RFC 2328, what is the stateful order in which an OSPF router transitions to a full adjacency with a neighbor router?()

    A. Down, Init, 2 - Way, Exstart, Exchange, Loading, and Full

    B. Down, Init, 2 - Wa y, Exchange, Exstart, Loading, and Full

    C. Down, 2 - Way, Init, Loading, Exstart, Exchange, and Full

    D. Down, 2 - Way, Init, Exchange, Exstart, Loading, and Full

    E. Down, Init, 2 - Way, Loading, Exstart, Exchange, and Full

    F. Down, 2 - Way, Init, Exstart, Exch ange, Loading, and Full


    参考答案：A

  • 第6题：

    Beef is an excellent material of iron.

    A: beginning
    B: storage
    C: source
    D: substance

    答案：C
    解析：
    句意：牛肉是铁元素的最佳来源。A项beginning意为“开始”;B项storage意为“贮存”;C项source意为“来源”;D项stance意为“物质”。C项和画线部分同义。故选 C项。

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