第一试一、选择题1.设三角形三边互不相等,最小边上的高为h,其形内任一点到三边的距离分别为x、y、z.那么().A.h=x+y+zB.h>x+y+zC.h<x+y+zD.不能确定h与x+y+z的大小.2.函数f(x)=lg[ex-e-x2+(ex-e...
First try one, multiple choice questions 1. Let
Background Cytogenetic and molecular studies of azoospermic and oligozoospermic males have suggested thepresence of azoospermia factors (AZF) in the Y chromosom