列表对3种类型的通气障碍的通气功能指标进行比较。
参考答案:
微循环理论中对缺氧和酸中毒,耐受性较大的是
A.微动脉
B.微静脉
C.毛细血管
D.动静脉短路
E.真毛细血管网
The billionaire ______ all his possessions to his son when he died.[ ]
A. write down
B. get down
C. handed down
D. turn down