培养人才最重要的是给予机会和（）。
A、待遇
B、指导
C、发展空间
D、压力
参考答案：D
该病人需维持多长时间后逐渐停药
A．2～6周B．2～4周C．6～8周D．8～10周E．10～12周
It was because I was caught in the traffic jam ________ I came to school late this morning.
A．which
B．when
C．what
D．that
