板中配有分布筋，其数量是按计算确定的。( )
参考答案：错
双方协商确定比赛服装颜色，一般是以（）意见为主。
A、主队
B、客队
C、裁判员
Teachers recommend parents ____ their children under 12 to ride bicycles to school for safety.[ ]
A. not allow
B. do not allow
C. mustn't allow
D. can't allow
