不属于重症肌无力禁用的药物是:()
A.氨基甙类抗生素
B.阿托品
C.奎宁、奎尼丁
D.吗啡
E.氯仿
参考答案:B
Many lifestyle patterns do such ______ great harm to health that they actually speed up _____ weakening of the human body.
A.a; /
B.a; the
C./; the
D./; /
下列能用Ba2++SO42-═BaSO4↓表示的化学反应应该是( )
A.BaCO3+H2SO4═BaSO4↓+H2O+CO2
B.Ba(OH)2+H2SO4═BaSO4↓+2H2O
C.Ba(NO3)2+Na2SO4═BaSO4↓+2NaNO3
D.Ba(OH)2+CuSO4═BaSO4↓+Cu(OH)2↓