重症医学科是医院集中监护和救治重症患者的专业科室，尽管ICU内具有生命力的关键因素是医护人员，但是一些先进的精密仪器设备也是不可缺少的。为加快我国重症医学的发展，为重症患者提供高质量的诊治措施，必须配备一定的先进精密仪器。按照《我国重症加强医疗病房减少与管理指南建议》，ICU需要配置必备设备和选配设备。
三级医院的ICU应该每床配备呼吸机台数（）
A.0.5套以上
B.1套以上
C.2套以上
D.3套以上
E.4套以上
参考答案：B
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| ① Sports can help you keep fit and get in touch with nature. However, whether you are on the mountains, in the rivers, or on the grassland, you should know that your sport of choice might have great influence on the environment. ② Some sports are resource-hungry. Golf, as you may know, eats up not only large areas of countryside, but also tons of water. Besides, all kinds of harmful things and a lot of energy are used to keep its courses (球场),This leads to serious environmental problems. For example, in Portugal and Spain, golf is considered to be the most important reason for water shortage (短缺) io some areas. ③ There are many environment-friendly sports. Power walking is one of them that you could do today. You don't need anything special but a good pair of shoes; and you don't have to worry about nature and your money. Simple and free, power walking -can also keep you fit. If you often walk, it will be good for your heart and bones. ④ Nowadays more and more people choose to play "green sports". They play sports outdoors, in the countryside or other open spaces. There is no special things needed. And best of all, it's free.
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