()
(1)a2-3a+1=0; (2)a2+3a+1=0.
参考答案:A
解析:
条件(1),a2-3a+1=0,可知[*][*],不充分
—How many apples do you have?
—___________. [ ]
A. An apples
B. Ten
C. Yes, I have
关于湿热病邪(包括暑湿病邪)深入气分涉及病变部位的描述,错误的是()
A.脾
B.膜原
C.胆腑
D.肠腑
E.心包