题目内容
Swimmers must be very strong in order to build up speed because of the high
resistance of the water. Runners, _____, must struggle against the heavy resistance of
the air and ground.
A. generally B. similarly
C. naturally D. probably
答案:B
提示:
提示:
similarly同样,因为水有很大的阻力,游泳者必须很强壮才能增大速度,跑步者也是一样。
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