TDMA帧中51复帧的时间间隔为（）
A、120ms
B、240ms
C、235ms
D、480ms
参考答案：C
什么是小脑幕切迹上疝
The number of students in Class Ten _______ sixty-six, and a large number of them _______ riding their
bikes to school. [ ]
A. are; likes
B. is; likes
C. is; like
D. are; like
