手阳明大肠经的输穴是（）。
A.二间
B.三间
C.阳溪
D.温溜
E.合谷
参考答案：B
This story is ______ than that one. [ ]
A. interesting
B. more interesting
C. most interesting
D. interestinger
简述公开密钥密码机制的原理和特点。
