Any lesson we teach naturally divide into different stages of activity and the main stages are: presentation, practice, production, reading, listening and ____.
writing
C. comprehension
D. revision

对称密钥加密采用的代表性算法是（ ）

A.DES
B.Hash
C.RSA
D.PKI

点击查看答案

以下不属于团队成员都应该具备的才能的是()

A团队合作
B分享工作成就
C概念性思考
D善于口头沟通

点击查看答案