题干
You should _______ when you are waiting for a bus.
A：wait in line
B：cut in line
C：jump the line
D：get excited
答案(点此获取答案解析）
A
You should _______ when you are waiting for a bus.
A：wait in line
B：cut in line
C：jump the line
D：get excited
（
＞1），那么该卫星离地面的高度是地球半径的
