消风散的功用是
A．祛风清热、养血活血B．疏风解表、清热通便C．发汗解表、散风祛湿D．疏风养血、清热除湿
参考答案：D
There______ more than one student who_______ late this morning.
A．have been, was
B．has been, were
C．were, was
D．was, was
喷油螺杆空气压缩机的排气温度通常由高温对油的影响所确定，其极限温度一般设定约为( )℃。
A．80 B．100 C．120 D．140
