下列哪一项不属于囊痈病因（）
A.外感风寒
B.饮食不节
C.外伤染毒
D.肝胆湿热
E.外感湿毒
参考答案：E
The true________of success for the U. N. is not how muchwe promise,but how much we deliver
for those who need us most. [ ]
A. significance
B. measure
C. outcome
D. satisfaction
下面程序段中c的二进制值是______。char a=3,b=6,c;c=a^b＜＜1;
A．00001011
B．00001111
C．00011110
D．00011100
