【单选题】假设变量 boolVar 是一个布尔型变量,则下面的赋值语句正确的是( )
【单选题】The cat is lost. We are all ________ it.
【简答题】We are looking forward to (receive) _______ your early reply.
【判断题】我们可以与“过去的我”来比较,来认识“现在的”自己
【单选题】UDP 是面向无连接的必须使用()来提供可靠性
【单选题】We are looking forward to _____ business with all of you.