The overwhelming flood has polluted the water sources of the city and it is now ____ drinkable water.A、in needB、in shortC、short ofD、needed

题目
The overwhelming flood has polluted the water sources of the city and it is now ____ drinkable water.

A、in need

B、in short

C、short of

D、needed


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更多“The overwhelming flood has polluted the water sources of the city and it is now ____ drinkable water. ”相关问题
  • 第1题:

    关系模式CSZ(CITY,ST,ZIP)其属性组上的函数依赖集为F={(CITY,ST)→ZIP, P→CITY},关系模式CSZ的主属性是

    A.ZIP

    B.CITY,ST,ZIP

    C.CITY,ZIP

    D.ST,ZIP


    正确答案:B
    解析:包含在任何一个候选码中的属性叫做主属性。在这道题中全部属性都是主属性。

  • 第2题:

    关系模式CSZ(CITY,ST,ZIP)其属性组上的函数依赖集为F={(CITY,ST)→ZIP,ZIP→CITY},关系模式CSZ的主属性是

    A.ZIP

    B.CITY,ST,ZIP

    C.CITY,ZIP

    D.ST,ZIP


    正确答案:B
    解析:本题主要考查了对函数依赖和主属性的理解。 包含在任何一个候选码中的属性叫做主属性。在这道题中全部属性都是主属性。

  • 第3题:

    Dumped waste might contaminate water supplies.

    A: destroy
    B: decrease
    C: pollute
    D: delay

    答案:C
    解析:
    句意:废弃的垃圾可能会污染水源。常见动词的考查。句中画线单词意为“污染”。destroy意为“毁坏”decrease意为“降低”;pollute意为“污染”;delay意为“延迟”。

  • 第4题:

    OFDM的英文是()

    A.OverloadFrequencyDivisionMultiplexing

    B.Orthogonal?Frequency?Division?Multiplexing

    C.Overwhelming?Frequency?DivisionMultiplexing

    D.Outstanding?Frequency?Division?Multiplexing


    正确答案:B

  • 第5题:

    The population of the world ____ still ____ now.

    A.has; grown B.is; growing C.will; grow D.is; grown


    正确答案:B

  • 第6题:

    请选出读音不同的选项。( )

    A.afternoon
    B.took
    C.pollute
    D.rude

    答案:B
    解析: