哪些药物应慎用于消化性溃疡患者()。
A.利血平
B.甲硝唑
C.氢氯噻嗪
D.阿司匹林
E.保泰松
参考答案:A, D, E
—Let’s go and have a good drink tonight.
一 Have you got the first prize in the competition?
A.What for?
B.Thanks a lot.
C.Yes I’d like to
D.Why not?
pH相同的NaOH溶液和氨水,分别用蒸馏水稀释原体积的m和n倍,若稀释后两溶液的pH仍然相同,则m和n的关系是
A.m>n
B.m<n
C.m=n
D.不能确定