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题目：
单选题
A支气管哮喘
B皮肤黏膜过敏症状
C血清病高热
D过敏性休克
E过敏性紫癜
答案：
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为抵押、抵债、房屋拆迁目的的估价，应选取一般拍卖的交易实例为可比实例。（）
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国家实行（）和（）分级粮食储备制度。
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煤中矿物质，根据它的来源和分布特性可分三类，即：（）、（）、（）。
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挥发油的通性是（ ）
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患者，男，26岁，厨师。1小时前切菜时不慎切伤右手中指，伤后其掌指关节不能伸直，而指间关节仍可伸直发生伤后掌指关节不能伸直，而指间关节仍可伸直的原因是什么（）。
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Moderate Earthquake Strikes England A moderate earthquake struck parts of southeast England on 28 April 2007, toppling chimneys from houses and rousing residents from their beds. Several thousand people were left without power in Kent County. One woman suffered minor head and neck injuries. "It felt as if the whole house was being slid across like a fun-fair ride," said the woman. The British Geological Survey said the 4. 3-magnitude quake struck at 8:19 a.m. and was centered under the English Channel, about 8.5 miles south of Dover and near the entrance to the Channel Tunnel. Witnesses said cracks appeared in walls and chimneys collapsed across the county. Residents said the tremor had lasted for about 10 to 15 seconds. "I was lying in bed and it felt as if someone had just got up from bed next to me." said Hendrick van Eck, 27, of Canterbury about 60 miles southeast of London. "I then heard the sound of cracking, and it was getting heavier and heavier. It felt as if someone was at the end of my bed hopping up and down." There are thousands of moderate quakes on this scale around the world each year, but they are rare in Britain. The April 28 quake was the strongest in Britain since 2002 when a 4.8-magnitude quake struck the central England city of Birmingham. The country's strongest earthquake took place in the North Sea in 1931, measuring 6.1 on the Richter scale. British Geological Survey scientist Roger Musson said the quake took place on 28 April in an area that had seen several of the biggest earthquakes ever to strike Britain, including one in 1580 that caused damage in London and was felt in France. Musson predicted that it was only a matter of time before another earthquake struck this part of England. However, people should not be scared too much by this prediction, Musson said, as the modern earthquake warning system of Britain should be able to detect a forthcoming quake and announce it several hours before it takes place. This would allow time for people to evacuate and reduce damage to the minimum. The April 28 quake was stronger than the one of 2002.（）
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斜齿轮与直齿轮相比，它的优点是什么？（）
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风切变在哪个地方造成的危害最大？（）
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理论往往走在实践的前面，指导着实践活动的进程，说明理论是实践的来源。()
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用电阻率法进行勘察时，一般能解决什么问题？