不符合流行性乙型脑炎的传播途径为（）
A、血液传播
B、消化道传播
C、接触传播
D、虫媒传播
参考答案：A, B, C
On the third floor there are two rooms, _____ is used as a meeting-room. [ ]
A. one of them
B. the larger of which
C. and a larger of them
D. the largest one of which
下列几个不同数制的整数中，最大的一个是______。
A．(1001001)2 B．(77)8C．(70)10 D．(5A )16
