She feels unhappy, _____? [ ]
A. doesn't she
B. does she
C. isn't she
D. is she
答案:A
下列关于氢氯噻嗪的适应证,错误的是()。
A.尿崩症
B.轻度高血压
C.心源性水肿
D.糖尿病伴轻度高血压
E.特发性高尿钙
在Excel中,函数=sum(10,min(15,max(2,1),3))的值为( )。
A.10
B.12
C.14
D.15