按一级动力学消除的药物,其血浆半衰期等于()
A.0.693/ke
B.ke/0.693
C.2.303/ke
D.ke/2.303
E.0.301/ke
参考答案:A
的面具有()
A.4个三角嵴,5个点隙,3条发育沟
B.4个三角嵴,4个点隙,4条发育沟
C.4个三角嵴,3个点隙,5条发育沟
D.5个三角嵴,2个点隙,5条发育沟
E.5个三角嵴,1个点隙,4条发育沟
Unwilling to give up slavery, the South _____ from the Union and set up a state of their own, resulting in
the American Civil War. [ ]
A. broke away
B. ran away
C. escaped away
D. cut away