仅通过人与人密切接触引起感染的微生物是
A．梅毒螺旋体
B．结核杆菌
C．霍乱弧菌
D．麻风杆菌
E．淋球病
参考答案：A, D, E
My friend is very kind. He always _____ all his things _____ others.[ ]
A. share; with
B. shares; to
C. shares; with
D. share; for
试述自动闭塞区间通过信号机显示停车信号时监控装置的控制模式？
