已知sin(a+2β)sina=3，且β≠12kπ，a+β≠nπ+π2，(n，k

（）表示的内容是监控中心

A、SC

B、SS

C、SU

D、SM

十八大报告指出，（）是中国特色社会主义的必然选择。

A.和平发展

B.共同发展

C.改革开放

D.繁荣进步

成人白细胞计数参考值是( )

A．(4～10)×10¹²/L
B．(2～5)×10⁹/L
C．(4～10)×10⁹/L
D．(10～20)×10¹²/L
E．(20～40)×10¹²/L

电子结算系统是典型的（）

A.部分外包

B.早期外包

C.内部开发

D.晚期外包

After a binge with cocaine, a young male is found unconscious and is admitted to the hospital with acute cocaine toxicity. Initial nursing action should be directed toward()

A．Setting limit for the patient

B．Giving support and understanding for the patient

C．Establishing a therapeutic relationship

D．Providing the necessary physical care