推法包括（）。
A、斜推法、掌推法，指推
B、全推法，肘推，掌推
C、平推，掌推，指推
D、指推，掌推，肘推
参考答案：D
As computers evolve, they have become Smaller and smaller, while speed and (66) have increased tremendously.
A．quantity
B．capacity
C．available
D．quality
左心室后负荷增加见于（）
A.二尖瓣狭窄
B.肺动脉高压
C.主动脉瓣狭窄
D.主动脉瓣关闭不全
E.三尖瓣关闭不全
