急性吗啡类中毒的特效解毒药是( )
A.安易醒
B.解氟灵
C.纳洛酮
D.琉代硫酸钠
E.亚硝酸异戊酯
参考答案:C
What _______to go swimming in a river in summer!
A.fun is it
B.funny it is
C.a fun it is
D.fun it is
A.当单刀双掷开关与a连接时,电压表的示数为22V
B.当单刀双掷开关与b连接时,电压表的示数为11V
C.当单刀双掷开关与a连接,滑动变阻器触头P向上移动的过程中,电压表的示数不变,电流表的示数变大
D.单刀掷开关由a扳向b时(滑动变阻器触头P不动),电压表和电流表的示数均变大