插播的两种类别为广告的插播和( )
A．春节晚会的插播 B．新闻联播的插播C．突发事件的插播 D．关系节目的插播
参考答案：D
It took a long time for the connection between body temperature and illness ___________.
A．to make
B．to be made
C．making
D．being made
化简：﹣[﹣（2a﹣b）]=（ ）。
