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【题目】______ it is the first choice of many young travelers, Europe is also seen as a wonderful tourist attraction by many old people.

A. While B. Unless C. Once D. Until

【答案】A

【解析】

试题分析:考查连词辨析。A. 虽然;然而;当……的时候 B. 除非;如果不 C. 一旦;一经 D. 直到…才;到…为止。While虽然,尽管,引导让步状语从句。句意:虽然欧洲是年轻游客的首选,它被许多老年人的视为旅游胜地。故选A。.

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