问题 选择题

In communication,a smile is usually ________ strong sign of a friendly and ________ open attitude.                                                        (2011·重庆,26)

A.the;/

B.a;an

C.a;/

D.the;an

答案

答案:C

句意为:在交流中,微笑通常是友好、坦诚态度的一种明显标志。a strong sign一种明显标志;open与friendly并列修饰attitude。

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