.Water and air are _______ to human beings. We can not live without them. A.harbour B.function C.definite D.essential

题目

.Water and air are _______ to human beings. We can not live without them.

    A.harbour B.function C.definite D.essential

 


相似考题
更多“.Water and air are _______ to human beings. We can ”相关问题
  • 第1题:

    We ______ booked. Look, this restaurant is almost empty.

    A. must have

    B. can’t have

    C. should have

    D. needn’t have


    答案:D

    解析:根据题意选D。

    本句意思:我们应该已经预订过了。看,这家餐厅几乎空无一人。

    must have意思为:“必须已经”;can’t have“不能”;should have意思为:“应该已经”;needn’t have意思为:“不必”,


  • 第2题:

    If it rains tomorrow, we ______ for a picniC. 一般现在时

    A. wouldn’t go out

    B. can’t go out

    C. won’t go out (will not)


    参考答案:C

  • 第3题:

    Nowhere are the realities of______climate change more apparent than at Earth's thawing poles.

    A.human-driving
    B.human-drive
    C.human-driven
    D.human-drived

    答案:C
    解析:
    本题考察动词的时态和语态,题目意为“没有比融化中的南极和北极更能明显反映人为引起气候变化这一事实的地方了。”由于句子是由nowhere此类有否定意思开头的,需要使用部分倒装。空格处意思为“人为引起,人为造成”,drive的过去分词形式driven这里作名词使用,表被动,和human组成联合短语共同作为定语修饰后面的内容。
      

  • 第4题:

    The collision bulkhead shall be of ______.

    A.water-tight

    B.air-tight

    C.fire-tight

    D.oil-tight


    正确答案:A
    防撞舱壁应具有水密特性。

  • 第5题:

    27.If we travel by car ,we_________.

    A. can't travel fifty or one hundred miles a day

    B. can-t stop at a hotel to spend the night

    C. can make our own timetable '

    D. can travel to a very far place in several minutes


    正确答案:C
    27.C【解析】从文章最后一段第一、二句可知.

  • 第6题:

    Such problem ()air, water, and noise pollutions are becoming more and more serious in some big cities.

    Alike

    Bas

    Cof

    Dabout


    B