DWDM系统典型场景是多少个波?()
A、40/80
B、48/96
C、160
D、8
参考答案:A
Her money ______, the lazy middle-aged woman began to steal others’ money at crowded places, such as bus stops, stations, airports and ports.
A.had run out
B.running out
C.having been run out
D.ran out
具有Vi抗原的沙门菌是()
A.甲型副伤寒杆菌
B.乙型副伤寒杆菌
C.丙型副伤寒杆菌
D.伤寒沙门菌
E.猪霍乱沙门菌