层级与幅度要适中体现的我国行政组织设置的原则是( )
A．效能原则
B．职能决定原则
C．系统原则
D．统一原则
参考答案：A
It is said that the Olympic Games ______ in London in 2012 will cover more events than any other Olympics did.
A．to be held
B．held
C．to be holding
D．will have been held
我国当代瓷器的主要产地包括（）。
A.山东淄博
B.河北唐山
C.江西景德镇
D.湖南醴陵
