【单选题】一 Were you surprised by the ending of the film? 一 No. I _____ the book, so I already knew the story. [ ]
【单选题】关于对称加密算法和非对称加密算法,下列哪一种说法是正确的?()
A.
对称加密算法更快,因为使用了替换密码和置换密码
B.
对称加密算法更慢,因为使用了替换密码和置换密码
C.
非对称加密算法的密钥分发比对称加密算法更困难
【单选题】下列说法符合批判的技巧的有( ) 1批判只针对事情本身,而不攻击他人 2思维的批判性有助于我们发现问题、提出问题,并从不同角度思考问题 3批判要具有一定的建设性 4批判能调动我们的经验,激发我们新的学习动机
【单选题】听力原文:M: I hope we don't get caught without our umbrellas. W: Mm. I already feel a cold coming on. Q: What can we infer from the conversation? (18)
D.
They don't have umbrellas.
【单选题】— Were you surprised by the ending of the film? — No, I ______ the book, so I already knew the story.