Water is the most widely used resource in ______ industry, and plays ______ major role in energy production


  1. A.
    不填; a
  2. B.
    the; a
  3. C.
    an; 不填
  4. D.
    an; the
A
試題分析：考察冠詞。本題第一空后面的名詞industry是一個(gè)抽象名詞，要單獨(dú)使用。第二空是固定搭配play a role in….在…中起作用。句意：在工業(yè)里水是被最廣泛利用的資源，在能源生產(chǎn)中也起著很重要的作用。故A正確。冠詞的考查集中在定冠詞the表示特指，不定冠詞a/an表示泛指；以及冠詞的一些特殊用法和固定詞組，還有一些不使用冠詞的情況，如抽象名詞，物質(zhì)名詞前面就不要冠詞。還要掌握冠詞的特殊的用法，如不可數(shù)名詞變成可數(shù)名詞；抽象名詞具體化等。
考點(diǎn)：考察冠詞
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B．The marks on rocks and salty chemicals
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【小題2】Which of the following is TURE according to the text?
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B．The water on Mars was like an ocean.
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【小題5】Please explain how you are inspired by Nyad. (Not more than 20 words)
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