What did the writer think about the accident?
A：The airport workers were right.
B：The passengers were right.
C： Nobody was right.
D：Dana was right.
α、β表示平面，a、b表示直线，则a∥α的一个充分条件是（ ）
教室中的饮水机在加热过程中，电能主要转化为（ ）
