下列情况中需采取呼吸道隔离的有（）。
A.MRSA
B.麻疹
C.流行性脑脊髓膜炎
D.伤寒
E.感染性腹泻
参考答案：B, C
New surveys suggest that people are more stressed and working longer hours than ever with
technological tools constantly ______. [ ]
A. updating
B. updates
C. updated
D. to update
社会控制的准则是()。
A．社会文化
B．社会道德
C．社会规范
D．习俗
