麻醉后高CO的原因()
A.中枢性呼吸驱动削弱
B.呼吸肌功能恢复的不足
C.体内产生CO增加
D.呼吸系统疾病
E.右心衰竭
参考答案:A, B, C, D, E
—I’m going to have my final exams at the beginning of January.
— [ ]
A. Congratulations!
B. That’s a good idea!
C. Good luck!
D. I’d love to.
什么叫基因工程技术?