空痛属于（）
A.气血精髓亏虚
B.气血运行不畅
C.脾胃湿热
D.肝阳上亢
E.气滞血瘀
参考答案：A
I _____ the newspaper while my mother _____ TV plays yesterday evening.
A．was reading; was watching
B．was reading; watched
C．read; was watching
D．read; would watch
台式机中的超频一般都是超CPU的（）。
A、倍频
B、总线频率
C、主频
D、外频
