检查泄漏时,请务必使用()作为挡板。
A.木板
B.白纸
C.硬纸板
参考答案:A, C
心血管手术中非心源性肺水肿与心源性肺水肿相比,区别在于()
A.呼吸频率加快
B.水肿液蛋白含量高
C.左房压不高
D.肺毛细血管嵌压不高或低于正常
E.肺部湿啰音
________ the last flight. You have to stay here for another night.
A.There comes
B.Here was
C.There goes
D.Here we had