合成类抗结核的药物为()。
A.诺氟沙星
B.盐酸环丙沙星
C.氧氟沙星
D.利福平
E.盐酸乙胺丁醇
参考答案:E
解析:
抗结核病药
—I wonder if I could use your phone.
—____________.
A.I wonder how
B.I don’t wonder
C.Sorry,it’s out of order
D.No wonder,here it is
求偏态分布资料的正常值范围时,应计算()
A.mean
B.vanance
C.percentile
D.standard deviation
E.coefficient of variation