337.Yao Ming is very famous now. However, his basketball career ______ many years of hard work.
A.took on
B.took off
C.took up
D.took out
338.To the great disappointment of the poor workers, a great part of their wages were _____ by the boss for no good reason.
A.kept away
B.kept off
C.kept up
D.kept back
337.答案是B;take on呈现，采纳，承担，从事;take off起飞，匆匆离去，脱下，事业腾飞;take up占 据，占（时间、空间），开始从事;take out取出，拿出。
338.答案是D;keep away(from)使远离;keep off避开，不接近;keep up保持，不低落，持续，继续;keep back扣除，保留，隐瞒。
