常见的透镜有()透镜和()透镜
参考答案:收敛;发散
I was born in New Orleans , Louisiana , a city ______ name will create a picture for beautiful trees and green grass in our mind .
A.which
B.of which
C.that
D.whose
普通商业企业可以零售的药品是
A.处方药B.处方药和甲类非处方药C.乙类非处方药D.甲类非处方药E.非处方药
根据《处方药与非处方药分类管理办法(试行)》