I would sooner ________ the chance, which is not easily taken, than ________ my friend.

A．not to take; to hurt

B．not taking; hurting

C．not take; hurt

D．don’t take; to hurt

急性肺水肿患者给予高流量氧吸入的目的是（）

A.减低肺泡内泡沫的表面张力

B.减少肺泡内毛细血管渗出液

C.改善心肌缺氧而增加心肌收缩力

D.改善肺组织的缺氧状态

E.减少回心血量