professional violinist practices for several hours a day ,but       violinist has his own way of playing the Beethoven concert.

A．Any; any

B．All; any

C．Each; every

D．Every; each

下述哪种药物易出现快速麻醉耐药现象（）

A.丁卡因

B.普鲁卡因

C.利多卡因

D.丁卡因

E.布比卡因