Question

【题目】—Do you know sound travels very fast?
—Yes. But light travels ________ sound.
A.as fast as
B.a little faster than
C.much faster than
D.slower than

Answer 1

【答案】C
【解析】句意是：—你知道声音传播的速度很快吗？—是的，但光比声音传播地快多了。Much faster than, 快得多，much用来修饰faster,表程度；a little faster than,快一点点；as fast as和…….一样快；slower than比……要慢。很明显C符合题意。