题型：问答题 简答题 从下面方框中选择一个适当的短语填空，使句子意思完整，并将其正确形式写在下面的横线上，短语只能用一次。set up, put up, fill…with, stay away, in agreement, suit …fine 1. A new bridge should be _____ over the river as soon as possible. 2. Would you mind _____ the picture on the wall? 3. My dog Lucky has ____ my life ____ pleasure. 4. The job _____ my father _____. 5. I think most people are _____ that fruits and vegetables are healthy. 查看答案
题型：问答题 简答题 下列描述正确的是______。A．公钥加密比常规加密更具有安全性B．公钥加密是一种通用算法C．公钥加密比常规加密先进，必须用公钥加密替代常规加密D．公钥加密的算法和公钥都是公开的 查看答案