单项选择题
A．narrating the plain facts B．referring to whaling in general C．comparing whaling to other fishing D．dramatically telling what happened
A．They should change the way they teach. B．A poem could be explained in clear definitions. C．A poetry class could be more informative. D．Their teaching was an enjoyable experienc
A．They promote international trade. B．They allow very rapid money transfers. C．They are still limited to small transactions(交易). D．They are dependent on good telecommunications systems.