有增加胞液Ca2+水平作用的是 A.cGMP B.cAMP C.CaM D.DAG 发布时间:2017-07-16 23:42 │ 来源:www.tikuol.com 题型:单项选择题 问题: 有增加胞液Ca2+水平作用的是A.cGMPB.cAMPC.CaMD.DAGE.IP3
题型:单项选择题 Mr. Smith has been here for many years, _____ she has few friends.[ ]A. but B. and C. or D. so 查看答案