Elgamal公钥体制在原理上基于下面哪个数学基础______
A.Euler
B.离散对数
C.椭圆曲线
D.歌德巴赫猜想
参考答案:B
When _____ his view about his job as a teacher, Mike said he found it very interesting and rewarding.
A.asking
B.asked
C.having asked
D.to be asked
脾虚、肾虚大便的特点是()
A.泻下黄糜
B.完谷不化
C.泻下腐臭
D.溏结不调
E.便下脓血