下列哪项不是脾阳虚证的临床表现（）
A.腹痛喜温喜按
B.畏寒四肢不温
C.便溏肛门重坠
D.面白少华虚浮
E.尿少肢体浮肿
参考答案：C
Everyone knows _____ is dangerous to play with fire, but _____ is difficult is to prevent children from
playing with fire. [ ]
A. that; it
B. it; it
C. that; what
D. it; what
在位运算中，操作数每右移一位，其结果相当于（ ）。
A．2
B．4
C．6
D．0
