【題目】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】試題分析:句意:我們的老師告訴我們光傳播的速度比聲音快得多。在含有賓語從句的主從復(fù)合句中,但主句用了一般過去時態(tài)時,賓語從句也要用相應(yīng)的過去時態(tài)。但當(dāng)賓語從句表示客觀真理時要用一般現(xiàn)在時。所以選B。

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