药品的首要特殊性是
A.与人的生命健康相关
B.质量标准严格
C.专业技术性强
D.缺乏需求价格弹性
E.经济性和竞争性
参考答案:A
我国规定管理的传染病分为()
A.甲类3种、乙类28种、丙类9种
B.甲类2种、乙类22种、丙类11种
C.甲类2种、乙类25种、丙类10种
D.甲类3种、乙类24种、丙类9种
E.甲类1种、乙类33种、丙类10种
— Do you know ________?
— It’s about fifteen minutes’ walk.
A.how far is the post office
B.which is the way to the post office
C.how long did you reach the post office
D.how far it is to the post office from here