抑制胃酸药作用最强的药物是()
A.H2受体拮抗剂
B.抗胆碱能药物
C.丙谷胺
D.质子泵阻滞剂
E.前列腺素E2
参考答案:D
-I think teenagers shouldn't be allowed to smoke.
-I agree ______ you. [ ]
A. with
B. on
C. about
D. for
实物交割要求以会员名义进行。客户的实物交割需由会员代理,并以会员名义在交易所进行。()