口腔颌面部手术采用全麻时容易发生的危险是()
A.心血管系统的意外
B.中枢神经系统的意外
C.呼吸道阻塞
D.麻醉的深度不易掌握
E.麻醉后不易苏醒
参考答案:C
根据对话内容,将图片按正确的顺序排列。
A B C D E
Barry: Do you have a ball?
Betty: Yes, I do. I have a volleyball.
Barry: I have a basketball. Let's play basketball.
Betty: No, it's boring.
Barry: Let's play tennis.
Betty: That sounds interesting.
Barry: Do you have a tennis racket?
Betty: Yes, I do.
Barry: Let's play tennis with Tom and Ma Ling.
1._____2._____3._____4._____5._____
cAMP对转录进行调控,必须先与()
A.CAP结合,形成cAMP-CAP复合物
B.RNA聚合酶结合,从而促进该酶与启动子结合
C.G蛋白结合
D.受体结合
E.操纵基因结合