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Self-contained breathing apparatus is used to ______.A.make underwater repairs to bargesB.determine if the air in a tank is safe for menC.enter areas that may contain dangerous fumes or lack oxygenD.resuscitate an unconscious person

题目

Self-contained breathing apparatus is used to ______.

A.make underwater repairs to barges

B.determine if the air in a tank is safe for men

C.enter areas that may contain dangerous fumes or lack oxygen

D.resuscitate an unconscious person

相似考题

1.______________A.want B.buy C.use D.taste

2.The word "immersed" in the second paragraph means“______”.A. liftedB. raisedC. roseD. under water

3.The sports()in the park enable the old people to do exercises and have fun during the day.A、facilitiesB、equipmentC、facultyD、apparatus

4.What() you() he’ s the murderer?A. make, thinkB. makes, thinkC. makes, to thinkD. make, thinking

更多“Self－contained breathing apparatus is used to ______.A.make underwater repairs to bargesB. ”相关问题

  • 第1题：

    Please have the damage on gangway _____ as soon as possible for account of the Stevedore Company.

    A.repaired

    B.repair

    C.repairing

    D.Repairs


    正确答案：A
    请将损坏的舷梯交由装卸公司修理。

  • 第2题：

    Techniques to employ the energy of the sun are being developed.

    A:convert
    B:store
    C:use
    D:receive

    答案：C
    解析：
    use“使用”; convert“使转变，转换······”。store"贮藏，贮备，存储”。receive“接收”。employ本身也有“使用”的意思，所以C项正确。

  • 第3题：

    Our statistics show that we consume all that we are capable of producing.

    A:waste
    B:buy
    C:use
    D:sell

    答案：C
    解析：
    本句意思：数据表明，我们消耗我们能生产出来的所有东西。consume消耗，消费。use 使用，用；waste浪费；buy购买；sell卖。

  • 第4题：

    The tops of vents from gasoline tanks should terminate ______．

    A.in open air

    B.inside cabins

    C.in machinery space

    D.underwater


    正确答案：A

  • 第5题：

    　　A. collected
    　　B. answered
    　　C. returned
    　　D. used


    答案：A
    解析：

  • 第6题：

    以下哪个单词是血液的意思？

    A．recently

    B．improve

    C．blood

    D．breathing


    мать;ма́ма;тётя

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