题目内容

利于包衣制得缓控释制剂，其释药原理是

A. 溶出原理
B. 扩散原理
C. 溶蚀与扩散相结合原理
D. 渗透泵原理
E. 离子交换作用原理

查看答案

搜索结果不匹配？点我反馈

更多问题

(Never before) (he had) felt himself (so) powerfully (attracted to) the scientific ideal.

A. Never before
B. he had
C. so
D. attracted to

To make up an objective test, the teacher writes a series of questions, ______ has only one correct answer.

A. some of which
B. each of which
C. which
D. that

______ halfway through the experiment, there was a power failure and the teacher told us to stop.

A. When we were only
Being only
C. When only
D. Having been

马克思说：“搬运夫和哲学家之间的原始差别要比家犬和猎犬之间的差别小得多。他们之间的鸿沟是分工造成的”。这表明人的才能

A. 与人的先天生理素质没有关系
B. 主要来源于后天的实践
C. 取决于主观努力的程度
D. 是由人的社会政治地位决定的