题干
We don't think it's good to stay_____ late to play computer games.
A：on
B：up
C：from
D：out of
答案(点此获取答案解析）
B
We don't think it's good to stay_____ late to play computer games.
A：on
B：up
C：from
D：out of
在区间-2,4上的根必定属于区间( )