在车辆停稳前不能开车门和上下人员，开关车门时不得妨碍其他车辆和行人通行。
参考答案：对
His new novel is _____ his own experience when he was studying in Harvard University. [ ]
A. based in
B. basing in
C. basing on
D. based on
根据双因素理论，员工感到不满的主要原因是()。
A.激励因素缺乏
B.保健因素缺乏
C.激励因素充足
D.保健因素充足
