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CO2 extinguishes a fire byA.a blanket of bubbles formed on theB.smotheringC.coolingD.isolating the heat from the fuel

题目

CO2 extinguishes a fire by

A.a blanket of bubbles formed on the

B.smothering

C.cooling

D.isolating the heat from the fuel

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2.The teacher gave some books _______ yesterday.A.to IB.for IC.for meD.to me

3.____________ fire, sound the alarm and leave the building immediately.A.In need ofB.In case ofC.In spite ofD.In charge of

4.Fire()at the midnight.A、broke downB、broke outC、broke offD、broke to

更多“CO2 extinguishes a fire byA.a blanket of bubbles formed on theB.smotheringC.coolingD.isola ”相关问题

  • 第1题：

    下面是防火墙接口的配置命令：

    fire(config) ip address outside 202.134.135.98 255.255.255.252

    fire(config) ip address inside 192.168.46.1 255.255.255.0

    fire(config) ip address dmz 10.0.0.1 255.255.255.0

    根据以上配置，写出上图中防火墙各个端口的IP地址：

    e0：(2)

    e1：(3)

    e2：(4)


    正确答案：(2)192.168.46.1 (3)202.134.135.98 (4)10.0.0.1
    (2)192.168.46.1 (3)202.134.135.98 (4)10.0.0.1 解析：本题考查的是。
    根据配置可知，该防火墙外网IP地址为202.134.135.98，内网IP地址为192.168.46.1， DMZ区的IP地址为10.0.0.1。
    从本题的示意图可知，防火墙e0口连接内部工作站，为内网接口；防火墙e1口连接Internet，为外网接口；防火墙e2口连接内部服务器，为DMZ接口。所以：
    e0：192.168.46.1
    e1：202.134.135.98
    e2：10.0.0.1

  • 第2题：

    All portable fire extinguishers must be capable of being ______.

    A.carried by hand to a fire

    B.carried or rolled to a fire

    C.recharged in the field

    D.used on class “B” fire


    正确答案：A
    所有便携式灭火器必须能够被用手携带到火灾（现场）。

  • 第3题：

    Which one of the following studies the internal structure of words， and the rules by which words are ( ) formed？

    A.Morphology
    B.Syntax
    C.Phonology
    D.Semantics

    答案：A
    解析：
    考查语言学知识。题干为：以下哪一项研究单词的内部结构，以及单词形成的规则？A项Morphology(形态学)研究词的内部结构和构词规则。B项Syntax(句法学)主要研究语言的句子结构。C项Phonology(音系学)研究语音的产生、传播、接受过程，考查人类语言中的声音。D项Semantics(语义学)不仅关心字词作为词汇的意义，还有语言中词之上和之下的意义。

  • 第4题：

    A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ______．

    A.Fire hose might be damaged by cargo operations

    B.Vessel is in port

    C.Fire-main system is not charged

    D.Fire pumps are used for purposes other than supplying water to the fire main


    正确答案：A

  • 第5题：

    Poisonous vaporsburst out of the factory during the accident,causing several hundred deaths.

    A:gases
    B:threat
    C:fuels
    D:bubbles

    答案：A
    解析：
    本句意思：在事故中，毒气从工厂溢出，导致数百人死亡。gas的意思为“气体，汽油”; threat的意思为“威胁”;fuel的意思为“燃料”;bubble的意思为“气泡，水泡”。vapor的意思为 “汽，蒸汽”，和gas意思接近。

  • 第6题：

    Pantomime is a kind of play based on a traditional fairy tale and per-formed（）

    Aat Easter

    Bon New Year.s Day

    Con St.Patrick.s Day

    Dat Christmas time


    D
    略

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