下列不属于精细加工策略的是（）
A、记忆术
B、提问
C、复习形式多样化
D、生成性学习
参考答案：C
-Has your father returned from Africa yet?
-Yes,but he __________here for only three days before his company sent him to Australia.
[ ]
A. was
B. has been
C. will be
D. would be
装载站应当为铁路军事运输押运人员开具押运证明，押运人员可以（）乘坐所押运的车辆。
A、半费
B、免费
C、随意
D、要求
