What _______ you do if you had a million dollars? [ ]
A. would
B. will
C. did
D. do
答案:A
肛管直肠脱出性疾病常用的检查体位是
A.外吹乳痈B.内吹乳痈C.不乳儿乳痈D. * * 破裂乳痈E.席风呵乳
下列化学反应属于加成反应的是( )
A.CH3COOH+CH3CH2OH浓H2SO4.△CH3COOCH2CH3+H2O
B.CH2=CH2+HCl一定条件CH3CH2Cl
C.2CH3CH2OH+O2Cu2CH3CHO+2H2O
D.