酒精中毒较理想的促醒药物为()
A、美兰
B、纳洛酮
C、安易醒
D、阿托品
E、肾上腺素
参考答案:B
-----“The money in our classroom is lost, who do you think steal it?”Jack says.
----Veny is said the money.
A.to steal
B.to stealing
C.to have stolen
D.have stolen
在下列四个方程中,x1,x2,x3和x4各代表某种粒子,判断正确的是( )
①92235U+01n→3895U+54138Xe+3x1
②12H+x2→23He+01n
③92238U→90234Th+x3
④1224Mg+24He→1327Al+x4.
A.x1是中子
B.x2是质子
C.x3是α粒子
D.x4是氚核