最基本的保护层是油漆。（）A、The principal protective coating is paint.B、The principal protective coating is cement wash.C、The principal protective coating is bitumen.D、The principal protective coating is varnish.

题目

最基本的保护层是油漆。（）

  • A、The principal protective coating is paint.
  • B、The principal protective coating is cement wash.
  • C、The principal protective coating is bitumen.
  • D、The principal protective coating is varnish.
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更多“最基本的保护层是油漆。（）A、The principal protective coating is paint.B、The principal protective coating is cement wash.C、The principal protective coating is bitumen.D、The principal protective coating is varnish.”相关问题

  • 第1题：

    A seed planted in the sensitive lining of an oyster begins a perpetual coating process that torms a peari.

    A:total
    B:annual
    C:continual
    D:habitual

    答案：C
    解析：
    本句意思：当一粒种子被种植到了牡砺敏感的皮层之后，就开始持续不断的包裹过程直到形成珍珠。perpetual意思是“连续不断的”，与continual（持续不断的，频繁的）意思相近。total全部的，完全的；annual年度的，每年的；habitual习惯的，惯常的。

  • 第2题：

    For Krashen, the affective filter is the principal source of individual difference in second language acquisition.（）


    正确答案:正确

  • 第3题：

    保护中性线（PEN线，protective and neutral conductor）


    正确答案: 兼有保护线和中性线两种功能的回路导体。

  • 第4题：

    The principal is usually the importer.


    正确答案:错误

  • 第5题：

    The main （）(保护层) is paint.

    • A、primer boat
    • B、protective coat
    • C、top coat
    • D、under coat

    正确答案:B

  • 第6题：

    （）gives a clear protective coat to woodwork.

    • A、Varnish
    • B、White gloss paint
    • C、Paint
    • D、Bitumen

    正确答案:A

  • 第7题：

    We’ve just （） our ship with one new coating.

    • A、washed
    • B、painted
    • C、cleaned
    • D、repaired

    正确答案:B

  • 第8题：

    单选题
    清漆给予木制品一个光亮的保护涂层。（）
    A

    Varnish gives a clear protective coat to steelwork.

    B

    Primer gives a clear protective coat to woodwork.

    C

    Varnish gives a clear protective coat to woodwork.

    D

    Primer gives a clear protective coat to metalwork.


    正确答案： C
    解析： 暂无解析

  • 第9题：

    判断题
    The principal is usually the importer.
    A

    对

    B

    错


    正确答案： 对
    解析： 暂无解析

  • 第10题：

    单选题
    （） to damage the protective coating on the inner side of the shell.
    A

    Care to be not taken

    B

    Care not to be taken

    C

    Care to be taken not

    D

    Not care to be taken


    正确答案： C
    解析： 暂无解析

  • 第11题：

    名词解释题
    保护中性线（PEN线，protective and neutral conductor）

    正确答案： 兼有保护线和中性线两种功能的回路导体。
    解析： 暂无解析

  • 第12题：

    单选题
    We are looking for a Principal Economist, who as well as advising managers and board members on environmental economic policy matters, will develop policy relating to cost benefit analysis at the upcoming review and beyond.
    A

    The Principal Economist will become a board member.

    B

    The Principal Economist will deal with environmental matters.

    C

    The Principal Economist’s major responsibility is to make certain policy.


    正确答案： B
    解析：
    这一段介绍的是招聘首席经济学家的广告。因为文中用“as well as”连接的两个部分，而其后的部分为次要内容，所以经济学家的主要职责是制定关于成本收益分析的政策，其次要的职位职责是要向经理们和董事会成员提供关于环境经济政策的意见。因此，C为正确选项。

  • 第13题：

    A seed planted in the sensitive lining of an oyster begins a perpetual coating process that forms a pearl.

    A:total
    B:annual
    C:continual
    D:habitual

    答案：C
    解析：
    当一粒种子种植到了牡砺敏感的肚皮里之后，就开始持续不断的包裹过程直到形成珍 珠。total的意思为“全部的，完全的”;annual的意思为“年度的，每年的”;continual的意思为 “持续不断的，频繁的”;habitual的意思为“习惯的，惯常的”。perpetual的意思为“连续不断 的”，和continual的意思接近。

  • 第14题：

    A ship’s bottom is given a coating of （）which contains poison.

    • A、varnish
    • B、anti-fouling paint
    • C、boottopping paint
    • D、primer

    正确答案:B

  • 第15题：

    涂层（coating）


    正确答案:提供一种可供消耗并可更换的覆盖物， 用于保护基体材料免于腐蚀和（或） 磨蚀， 如化学气相沉积、 镀珞处理、 扩散渗铬、 物理气相沉积、 等离子喷涂等。

  • 第16题：

    委托--代理问题（Principal-agent problem）


    正确答案: 由于经理或工人可能会追求自己的目标，即便这样做会减少企业所有者的利润，从而导致了委托--代理问题。经理或工人是为所有者工作的代理人，所有者是委托人。

  • 第17题：

    The principle protective coating is （）.

    • A、cement wash
    • B、paint
    • C、bitumen
    • D、undercoat

    正确答案:B

  • 第18题：

    防护衣─PROTECTIVE CLOTHING；呼吸器─-BREATHING APPARATUS。


    正确答案:正确

  • 第19题：

    单选题
    The principle protective coating is （）.
    A

    cement wash

    B

    paint

    C

    bitumen

    D

    undercoat


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    The only lucid arguments printed in the newspaper concerning the new bond proposal was put forth by the high school principal who wrote a series of letters to the newspaper’s editor.
    A

    The only lucid arguments printed in the newspaper concerning the new bond proposal was put forth by the high school principal in a series of letters to the newspaper’s editor.

    B

    The principal of the high school wrote a series of letters to the newspaper’s editor that put forth the only lucid argument concerning the new bond proposal that was printed in the newspaper.

    C

    In a series of letters to the newspaper’s editor, the principal of the high school put forth the only lucid argument concerning the new bond proposal to be printed in the newspaper.

    D

    The high schoolh principal’s series of letters to the newspaper’s editor lucidly put forth the only arguments concerning the new bond proposal to be printed in the newspaper.

    E

    Putting forth the only lucid arguments concerning the new bond proposal to be printed in the newspaper, the series of letters to the newspaper’s editor were written by the high school’s principal.


    正确答案： C
    解析：
    A、D项“arguments…was”和“series…puts forth”表达存在主谓不一致问题；B项表达与句意不符；E项不符合习惯表达，故本题应选C项。

  • 第21题：

    单选题
    Sacrificial zinc anodes are used on the saltwater side of diesel engine heat exchangers to（）.
    A

    reduce electrolytic action on heat exchanger metals

    B

    keep heat transfer surfaces shiny and clean

    C

    prevent rapid accumulation of marine growth

    D

    provide a protective coating on heat exchanger surfaces


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    最基本的保护层是油漆。（）
    A

    The principal protective coating is paint.

    B

    The principal protective coating is cement wash.

    C

    The principal protective coating is bitumen.

    D

    The principal protective coating is varnish.


    正确答案： B
    解析： 暂无解析

  • 第23题：

    名词解释题
    保护接地（protective earthing）

    正确答案： 为消除或减少发生接地故障时的电气事故，对电气装置的外露导电部分所做的接地。例如将工类电气设备的金属外壳通过与PE线的连接而接地。
    解析： 暂无解析

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