Science is really useful sucject although it is very difficult.A. an B. a C. the D. / 题目和参考答案——青夏教育精英家教网—

题目内容

Science is really _______ useful sucject although it is very difficult.

A. an B. a C. the D. /

【解析】

试题分析：句意：虽然科学有点难，但它确实是一门有用的学科。根据句意“一门有用的学科”是泛指，所以要用不定冠词，useful开头字母虽然是元音字母u，但开头发音是辅音，所以用不定冠词a，故选B。

考点：考查冠词的用法

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