The development of industry has been ______ gradual process throughout ______ human existence, from stone tools to modern technology.


  1. A.
    不填；the
  2. B.
    the；a
  3. C.
    a; 不填
  4. D.
    a; a
C
試題分析：考察冠詞。本題第一空后的名詞process過程，這是一個可數(shù)名詞，使用a泛指一種漸進的過程。第二空后的名詞human existence是一個抽象名詞，要單獨使用，不需要冠詞。句意：在人類的存在過程中，從石器年代到現(xiàn)代科技時代，工業(yè)的發(fā)展一直以來都是一個漸進的過程。故C正確。
考點：考察冠詞
點評：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。
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