大黄中泻下作用最强的成分为()A.大黄酸 B.大黄素 C.芦荟大黄素 D.双蒽酮苷类 发布时间:2018-07-23 20:13 │ 来源:www.tikuol.com 题型:单项选择题 问题: 大黄中泻下作用最强的成分为()A.大黄酸B.大黄素C.芦荟大黄素D.双蒽酮苷类E.鞣质类
题型:单项选择题 Beijing is cold this time _________. You need _______ warm clothes if you go there. A.of the year, to packB.of year, packingC.of year, packD.of year, to pack 查看答案
题型:单项选择题 有如下程序:Private Sub Command1_Click() Dim k As Integer,m As Integer Dim op As Integer k=4:m=1 op:PPC(k,m):Print op; op:PPC(k,m):Print opEnd SubPrivate Function,PPC(a As Integer,b As Integer) Static m As Integer,i As Integer m=0:i=2 i=i+m+1 m=i+a+b PPC=mEnd Function程序运行后,输出的结果为A.4 6B.6 6C.8 8D.10 12 查看答案