更多“松绳保护装置必须接入报警回路。()”相关的问题
普通处方、急诊处方、儿科处方保存期限为______
A.5年
B.4年
C.3年
D.2年
E.1年
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动车有几节车厢
200km/h动车组共由几节车厢组成?分别是什么?哪些是动车,哪些是拖车?
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以下哪些特征是伴随假体腔出现后获得的( ) A.身体可以自由运动 B.具外胚层、内胚层和中胚层3个胚层 C.由于腔内充满体腔液,使得腔内物质出现了简单的流动循环,可以更有效地输送营养物质和代谢产物 D.出现了完整的消化道
A.身体可以自由运动B.具外胚层、内胚层和中胚层3个胚层C.由于腔内充满体腔液,使得腔内物质出现了简单的流动循环,可以更有效地输送营养物质和代谢产物
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给水排水构筑物水池满水试验要求,向池内注水宜分3次进行,每次注水为设计水深的( )
A.1/2
B.1/3
C.2/3
D.1/4
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链条锅炉运行中,检查炉排运转时,声音应无异常现象。炉排应(),无跑偏和卡住现象。
A、拱起
B、平整
C、下沉
D、有熔渣
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雷达液位计的天线发射出电磁波,这些波经被测对象表面反射后,再被天线接收,电磁波从发射到()与到液面的距离成正比,雷达液位计记录脉冲波经历的时间,而电磁波的传输速度为常数,则可算出液面到雷达天线的距离,从而知道液面的液位。
\tA.接收的时间
\tB.接收的距离
\tC.接收的面积
\tD.接收的频率
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下列不属于活性炭吸附剂原料来源的是()
A.棉麻类植物的副产品
B.椰子壳
C.泥煤
D.木材
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BS公司的配送管理 BS公司是位列世界500强的跨国企业之一,1995年它来中国投资图书媒体行业。公司位于上海,主要从事图书、音像制品等的销售。由于特殊原因,BS公司不能和其他新华书店一样将商品...请你试着给BS公司新的包裹信息操作流程提出意见,并分析在图书配送这一方面怎样才能做到更完善严密
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143.下列哪项为急性肺水肿的最佳治疗原则()
A.原发病未确诊之前不处理,以免加重低氧
B.首先寻找原发病,并首先处理
C.及早正确通气、保证氧合,减少血管外肺水,并积极治疗原发病
D.氧疗及正压通气不是一线疗法
E.使用缩血管药
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In many places water is becoming scarcer. Treating it as a right makes the scarcity worse. Ideally, efficient water use would be encouraged by charging for it, but attempts to do so have mostly proved politically impossible. A more practicable alternative is a system of tradable waterusage rights.As our explains, many water problems have global causes: population growth, climate change, urbanization and, especially, changing diets. It takes 2,000 liters of water to grow a kilo of vegetables but 15,000 liters to produce a kilo of beef—and people are eating more meat. The problems also have global implications. Without a new green revolution, farmers will need 60% more water to feed the 2 billion extra people who will be born between now and 2025.Yet there is, globally, no shortage of water. Unlike other natural resources (such as oil), water cannot be used up. It is recycled endlessly, as rain, snow or evaporation. On average, people are extracting for their own uses less than a tenth of what falls as rain and snow each year.The central problem is that so much water is wasted, mainly by farmers. Agri-culture uses three-quarters of the world"s water. Because water is usually free, thirsty crops like alfalfa (苜蓿) are grown in arid California. Wheat in India and Brazil uses twice as much water as wheat in America. Dry countries like Pakistan export textiles though a 1 kg bolt of cloth requires 11,000 liters of water.Any economist knows what to do: price water to reflect its value. But decades of trying to do that for agriculture have run into powerful resistance from farmers. They reject scarcity pricing for the reason that water falls from the skies. No government owns it, so no government should charge for it.There is a way out. Australian farmers have the right to use a certain amount of water free. They can sell that right to others. But if they want more water themselves, they must buy it from a neighbor. The result of this trading is a market that has done what markets do: allocate resources to more productive use. Australia has endured its worst drought in modern history in the past ten years. Water supplies in some farming areas have fallen by half. Yet farmers have responded to the new market signals by switching to less thirsty crops and kept the value of farm output stable. Water productivity has doubled. Australia"s system overcomes the usual objections because it confirms farmers" rights to water and lets them have much of it for nothing.
A.People should only be entitled to certain amount of water freeB.People can borrow water from their neighbors when necessaryC.People are free to bargain for water in market in their daily livesD.People have the right to trade water to raise water productivity
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根据《中华人民共和国评定旅游(涉外)饭店星级的规定》,星级划分的依据有( )。
A. 饭店的建筑、装潢、设备、设施条件 B. 饭店的设备、设施的维修保养状况 C. 店的管理水平 D. 饭店的服务质量、服务项目
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仪表着陆系统ILS中字母L是()英文单词的缩写。
A.Landing
B.Lane
C.Lingning
D.lining
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在纯电容电路中对于直流电路因ƒ=O,纯电容相当于开路。()
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平法图集中的尺寸以及标高的单位分别为()。
A.毫米、米
B.米、米
C.米、毫米
D.毫米、毫米
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有助于肾小球肾炎诊断的方法是(),有助于膀胱肿瘤诊断的检查是(),慢性膀胱炎应进行的检查是(),淋菌性尿道炎的诊断用()
A.红细胞形态分析B.细菌学培养加药物敏感测定C.尿脱落细胞检查D.尿液成份分析E.尿道分泌物涂片
B.细菌学培养加药物敏感测定C.尿脱落细胞检查D.尿液成份分析E.尿道分泌物涂片
C.尿脱落细胞检查D.尿液成份分析E.尿道分泌物涂片
D.尿液成份分析E.尿道分泌物涂片
E.尿道分泌物涂片
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