毒鼠强的解毒药是()
A、二巯基丙磺酸胺
B、氟马西尼
C、纳洛酮
D、解氟灵
参考答案:A
—When is your birthday?
—My birthday is July _______.[ ]
A. twelfth
B. twelve
C. the twelfth
D. the twelve
槽形托辊的槽形角一般为()度。
A.25
B.30
C.35
D.40