商品名是无环鸟苷的是()。A.阿昔洛韦 B.盐酸小檗碱 C.呋喃妥因 D.克霉 发布时间:2017-12-20 17:07 │ 来源:www.tikuol.com 题型:单项选择题 问题: 商品名是无环鸟苷的是()。A.阿昔洛韦 B.盐酸小檗碱 C.呋喃妥因 D.克霉唑 E.利巴韦林
题型:单项选择题 He always can't stop _____ in class. The teacher is very angry _____ him![ ]A. to talk; at B. to talk; with C. talking; at D. talking; with 查看答案
题型:单项选择题 If you lose the library book, you have to___________ it. [ ]A.pay for B.ask for C.leave for D.spend for 查看答案
题型:单项选择题 在用伏安法测电池电动势和内阻的实验中,测得最大路端电压为Ua=1.2V,最大电流为Ib=0.5A,实验共记录五组数据,作图得到伏-安图线,如图所示.则 a、b两状态时电池消耗的总功率之差为_________W;测量范围内电池最大输出功率为_________W. 查看答案