受众是大众传播信息的受传者,在接受信息的过程中,受众具有哪些特点()
A.众多性
B.主动性
C.流动性
D.归属性
E.自述性
参考答案:B, D, E
— Bill, if it doesn't rain, we can go straight on and spend more time in Vienna.
— _____ I just want to hear Mozart. [ ]
A. Well done!
B. No problem.
C. That's great!
D. That's it.
关于早产应用硫酸镁正确的是()
A.以1~2g/小时速度静滴至宫缩停止
B.用药过程中呼吸必须>15次/分
C.尿量必须>600ml/d
D.定期检查膝反射
E.常用肌注