【判断题】One of his main sources of enjoyment is to talk with many actor friends .
【判断题】机翼数量越多,飞行速度越快。A. √B. ×
【单选题】________ of his works were written in his _______. [ ]
【简答题】One of his main ____________ of enjoyment is to talk with many interesting _____________ friends.
【单选题】His American dream turned sour .
【单选题】在VRP平台上,如果想要让ping程序以指定的一个IP地址作为回显请求报文的源地址,可以使用下面哪 一个参数?