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【题目】Our teacher told us that light _____ much faster than sound.

A.traveled B.travels C.is traveling D.was traveling

【答案】B

【解析】

试题分析:句意:我们的老师告诉我们光传播的速度比声音快得多。在含有宾语从句的主从复合句中,但主句用了一般过去时态时,宾语从句也要用相应的过去时态。但当宾语从句表示客观真理时要用一般现在时。所以选B。

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