大黄泻下作用的机制是 A.促进胆汁分泌和胆囊收缩 B.刺激肠平滑肌蠕动 C.抑制胰酶 发布时间:2017-07-13 19:18 │ 来源:www.tikuol.com 题型:单项选择题 问题: 大黄泻下作用的机制是A.促进胆汁分泌和胆囊收缩B.刺激肠平滑肌蠕动C.抑制胰酶活性D.减少肠道氨基酸的吸收E.增加胃壁PGE2的含量
题型:单项选择题 根据中文提示,用词组的适当形式填空,每空一词。(每小题1分,共5分) 小题1: Students should get to school__________ __________every day(准时).小题2:. ____________ ______________ to some fruit, Bruce.(请随便吃点…)小题3:. Amy has grown up and she is ________ ________a child.(不再).小题4:. Doing eye excises is ______our eyes (对…有利)。小题5:—Have you _________ __________the new dress ?—Yes, it looks nice on me. (试穿). 查看答案