[题目] --- Is this apple? ---- No, it’s orange.A. a; a B. an; a C. an; an D.a, an 题目和参考答案——青夏教育精英家教网—

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【题目】 --- Is this ______ apple? ---- No, it’s ______ orange.

A. a; a B. an; a C. an; an D.a, an

【答案】C

【解析】

试题分析：句意：－这是一个苹果吗？－不。是一个桔子。根据句意，两处都表示“一个……”，都该用不定冠词。apple /pl/ 的第一个音//是元音音素，元音音素字母开始的单词前用an；orange/rnd/ 的第一个音//也是元音音素，也得用an。故选C。

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【1】This year, school safety education falls on ________.

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【2】students can learn about_________ on the day.

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