隋朝灭亡的原因主要是因为:()
A、攻打高丽的战争耗费
B、官员贪污腐化
C、农民起义
D、隋朝政府不爱护老百姓
参考答案:D
Mr. Smith often goes to the park near his house to ____ the pressure of work.
A.walk off
B.wear off
C.break down
D.burn out
治血虚头痛可以川芎配()
A.陈皮、茯苓
B.羌活、独活
C.菊花、生石膏
D.柴胡、制香附
E.当归、制首乌