关税按一国政府课征目的不同可分为().
A.出口关税
B.进口关税
C.财政关税
D.保护关税
参考答案:C, D
In heavy seas you decide to heave to. The lifeboat should be().
A.brought to a position with the stern into the seas
B.allowed to take its own head
C.brought to lay in the trough
D.brought bow into the seas
孔子提出了“_____”的著名教学要求,这是“启发”一词的来源。