胶囊剂的贮藏最重要的是()
A.防虫
B.防潮
C.抗氧化
D.避光
参考答案:B
Mr. hang didn't_______ at the meeting and nobody knew the reason. [ ]
A.take up
B.come up
C.call up
D.show up
做凝血酶原时间(PT)测定时,INR是什么意思?有何意义?