【简答题】A.boring B.enjoyable C.different D.unsatisfactory
【单选题】Which of the following is the best title for the passage?
C.
Artistic vs. Commercial
【判断题】网络渗透是一把双刃剑,是攻击者常用的一种攻击手段, 也是安全工作者研究的一个课题。
【单选题】The book is so ______ I returned to the library without finishing it. ( )
【单选题】若要给已定义的变量inta,b,c,d;都赋值1,以下错误的是
【简答题】A.boring B.practical C.exciting D.natural