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【简答题】
考虑到阻力影响,计算的距离称为 。
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皮皮学刷刷变学霸
举一反三
【单选题】Many people have pointed out the harmful effects that a working mother may have on the family, yet there are many salutary effects as well. Salutary means
A.
well-known.
B.
beneficial.
C.
hurtful.