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    精英家教网 > 高中英语 > 题目详情

    We can never expect________bluer sky unless we create________less polluted world.

    A．a; a　　　B．a; theC．the; aD．the; the

    A

    解析试题分析：考查冠词。第一空a泛指一个更为湛蓝的天空，第二空也是表示泛指，指一个更受污染的世界。故A正确。
    考点：考查冠词
    点评：冠词的考查集中在定冠词the表示特指，不定冠词a/an表示泛指；以及冠词的一些特殊用法和固定词组，还有一些不使用冠词的情况，如抽象名词，物质名词前面就不要冠词。

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