【题目】Some youngsters know what to________at the university. They have made up their minds about their future.
A.take in
B.take up
C.take off
D.take over

【答案】B
【解析】 take up“从事”；take in“吸收，欺骗”；take off“脱衣，起飞”；take over“接管”。根据句意“一些青年知道在大学里从事什么”可判断答案为B项。