【单选题】Tall Americans tend to be from
B.
suburban and rural areas.
【判断题】Americans tend to be self-effacing in their compliment responses.
【判断题】所有非周期信号都是能量信号;A. 对 B. 错
【单选题】Americans tend to be more private than the British.
【单选题】一个LR分析器实质上是一个带有先进后出存储栈的( )
【单选题】Go_______the glass door, turn right, and you'll be in the hall.