【判断题】3DES基于DES,对1块数据用3个不同密钥加密3次。
【简答题】Both of the boys are good at singing.(翻译)
【判断题】理想的形式是主观的,但理想的内容是客观的。()
【单选题】—What about the student in your class, Mr. Wang? —The doctor said that ________ sleep caused him poor memory and poor concentration.
【简答题】____________(夫人)Wang is a doctor.
【单选题】Can I make an _________ with Doctor Wang?
【单选题】. Doctor Wang _____ at seven o’clock for the conference, but she didn’t turn up.