One and a half hours ________ all I can spare now.[ ]
A. is
B. are
C. was
D. were
答案:A
与人畜共患传染病有关的动物中,经检疫合格后,方可出售、运输的有()
A.野生动物
B.家畜
C.家禽
D.以上都不是
Iub口的控制平面的应用协议名称是()