A:运行稳定后可能经过南京上空
B:运行速度大于7.9km/s
C:绕地球运行的周期比近地卫星的周期大
D:5颗同步卫星离地高度都相同
—I don't like it. I like going ______ .
The persons under 16 shouldn't to go to the Internet bar.