公务员最显著的特点是（）。
A．通过一定法定程序而被任用的人员
B．实行常任制
C．代表国家处理国事，必须依法办事
D．其服务对象是国家
参考答案：C
(2013·西城一模)My friend's birthday is coming soon.I would like to go to ________ store，or some places close by to buy him ________ present.
A．the；the
B．a；the
C．/；a
D．the；a
The teacher explained a second time, the students should have difficulty in doing the experiment.
A．although
B．in case
C．so that
D．but
