对于无明确潜伏期的感染,规定入院多长时间后发生的感染为医院感染()
A、24小时
B、48小时
C、3天
D、1周
参考答案:B
—Would you like some drinks, boys?
—Yes, , please. [ ]
A. some oranges
B. two boxes of chocolate
C. some cakes
D. two boxes of cola