毒物血浆浓度下降一半所需要的时间()
A.消除率
B.消除半减期
C.曲线下面积
D.表观分布容积
E.生物利用度
参考答案:B
All of us were ________ at the __________ news.
A.frustrating, frustrating
B.frustrating, frustrated
C.frustrated, frustrating
D.frustrated, frustrated
假体的放置应为置入或插入,在索引中的主导词应为()。
A.插入
B.置入
C.植入
D.移植
E.修补