【題目】— Generally speaking, light ___ faster than sound. — Yes, it is a rule.

A. flies B. spreads

C. travels D. walks

【答案】C

【解析】

試題分析：A. Flies飛行；B. spreads 擴散；C. Travels旅行；D. walks 走，散步。句意:-一般而言，光的傳播速度比聲音要快。-是的，這是一個規(guī)律。結(jié)合語境可知從句敘述的是一個客觀存在的事實，故用一般現(xiàn)在時態(tài)，主語是單數(shù)要變第三人稱單數(shù)，選C。

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