____ educational CD-ROM has just come out. _____ CD-ROM is called ‘Dora Explorer - 初中英语试题 - 超级试练试题库

educational CD-ROM has just come out. _ CD-ROM is called ‘Dora Explorer

题型：不详难度：来源：

____ educational CD-ROM has just come out. _____ CD-ROM is called ‘Dora Explorer’.

A．A ; The

B．An ;The

C．The ; The

D．The ;A

答案

解析

第一次提到某物时，要用不定冠词a或an，根据本题后接的单词的首个音标为元音音标，故用an，第二次再提到该物时，要加定冠词the，故选B

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A．a

B．/

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A． A, the

B．The, a

C．The, the

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A. a , The B. an , The C. / , An

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A．a,a

B．an,an

C．a,an

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