对胰酶分泌促进作用最强的是()。
A.生长抑素
B.促胃液素
C.缩胆囊素
D.促胰液素
E.胰岛素
参考答案:C
A notice was _____ in order to remind the students of the changed lecture time. [ ]
A. sent up
B. given up
C. set up
D. put up
苯塔侧线抽出量忽大忽小对操作有什么影响?