they visited the Science Museum, they showed great interest in everything they saw．A．The first time B．For the first timeC．At first D．At the first time 题目和参考答案——青夏教育精英家教网—

题目内容

_____________they visited the Science Museum, they showed great interest in everything they saw．

A．The first time B．For the first time

C．At first D．At the first time

【解析】

试题分析：句意：他们第一次参观科技博物馆时，对所看到的一切表现出很大的兴趣。The first time 第一次做某事的时候，是连词。For the first time第一次，做状语；at first 首先；D项是错误的用法。所以选A项。

考点 : 考查连词

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