（）制度、温度制度、气氛制度统称烧成制度。
参考答案：压力
The reason ____ he was late for class was ____ he stayed up late last night.
A．why; that
B．why; because
C．that; that
D．that; because
哪一年中年男教师的增长幅度最大
A．1996
B．1997
C．1998
D．不清楚
