--- What’s this?--- It’s .A．an ID card B．a orangeC．rulerD．an UFO

题型：不详难度：来源：

--- What’s this?
--- It’s .

A．an ID card	B．a orange
C．ruler	D．an UFO

答案

解析

试题分析：A. an ID card I的发音是[ai]元音，故用an; B. a orange [ɔː]元音开头，故用an,错误。
C. ruler 可数单数名词不能单独用，要在前面加a; D. an UFO [ju: ef "əʊ]第一个发音是辅音，所以用 a,选项错误。故选A
点评：一定要看第一个发音，而不是第一个字母，易错的有：an hour , a half.

举一反三

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A．A; the

B．The; a

C．A; an

D．The; an

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This is ____ song I told you about yesterday. Isn’t it _______ beautiful one?

A．the, the

B．a, a

C．the, a

D．a, the

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------It’s said that the famous writer will give us _________ advice on writing.
------_________ good news! I’m weak at it.

A．a; How a

B．an; What

C．some; What

D．any; How

题型：不详难度：| 查看答案

Let"s look at the bag. Can you see _____“s” on the corner of_____ bag?

A．a, a

B．a, the

C．an, a

D．an, the

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A．an; an

B．an; a

C．a; a

D．a; an

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