嗜铬细胞瘤最常见的发生部位是（）。
A.肾脏
B.肾上腺
C.腹部
D.胸内
E.颈部
参考答案：B
Kunming is a beautiful city ________ flowers and green grass and trees are seen all year round.
A．when
B．where
C．which
D．that
以下程序的执行结果是( )。#nclude ＜iostream.h＞template ＜class T＞T max(T x, T y){ retum(x＞yx:y);}void main(){ cout＜＜max(2,5)＜＜", "＜＜max(3.5,2.8)＜＜end1;}
A．5,5.0
B．3.8
C．5,3.5
D．3.5,5
