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题目：
多选题
A《史记》
B《九章算术》
C《周髀算经》
D《黄帝内经》
E《论衡》
答案：
<查看本题扣1积分>
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某患者夜间突发急腹症被送到某医院看急诊，初诊为急性胆囊炎。负责医生因自己年轻，怕担风险，未做任何处理，即让家属把患者送到20里外的中心医院就诊，延误了治疗时间，致使病人胆囊穿孔，中毒性休克。后虽经抢救挽救了生命，但医药费用去2万多元。对该医生的行为进行伦理评价时，应该主要考虑的是其是否做到了（）
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地震剖面上产生假象的原因有哪些？
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证券投资者保护基金的来源是（）。
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架空线的振动形成的原因是（）。
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Commuting to work in Chicago is no【C1】______, for the roads there are even more crowded than in San Francisco. But here is how the city of Chicago is handling the problem. "We dont have rash hours any more," said Charles M. Mclean, who runs the nations busiest road. "We have rash periods, and they keep【C2】______longer and longer. " In Chicago, a【C3】______system has been developed that controls【C4】______the citys seven expressways. Now, one mana controller can【C5】______the movement of Chicagos traffic【C6】______looking at a set of lights. The system uses electronic sensors that are built into each expressway, half a mile【C7】______. Several times a second, the computer【C8】______information from each sensor and translates it into green, yellow or red lights on a map in the control room. "See that red light near Austin Avenue?" the controller asked a visitor, "Thats a repair truck【C9】______the road, and the traffic has to go【C10】______it. " At the Roosevelt Road entrance【C11】______the expressway, the light kept【C12】______from green to red and back to green again. "A lot of trucks get on the expressway there. " the controller explained. "They cant speed up as【C13】______as cars. " The sensors show【C14】______where an accident or a stopped car is blocking traffic,【C15】______a truck is sent by radio to clear the road. The system has lowered the【C16】______of accidents by 18 percent. There are now 1. 4 deaths on Chicagos expressways for each one hundred million miles traveled,【C17】______in other parts of the country there are 2. 6. Traffic experts say that the Chicago system is the "coming thing". Systems like Chicagos are already in use on some expressways in Los Angeles and Houston. "Chicago has【C18】______the lead," says New York Citys【C19】______director; and he adds, "we are【C20】______".【C1】A．cheerfulB．pleasantC．happyD．pleasure
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（）是用来表示机器设备使用效率的指标，以机器设备的开动时间除以最大负荷时间表示。
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简述工程量清单的合同结算工程量计算及变更处理原则？
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下列那项不是目前移动办公终端设备（）
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网络营销中，为了评估不同行业的营销效果，需要使用不同的核心指标。请问，评估一个社交媒体时，可纳入的核心指标有哪些？（）
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建造于公元532－537年的圣索菲亚大教堂，是（）艺术中最辉煌的成就之一。