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问题 单项选择题

男，47岁，进行性消瘦贫血，全身疼痛1年。行全身骨显像如图，可能的诊断是（）。

A.大致正常的骨影像

B.代谢性骨病

C.多发性骨髓瘤

D.超级骨显像

E.广泛骨转移瘤

答案

参考答案：E

问答题

Alvin runs a business selling expensive cars. Last Monday he mistakenly placed a notice on one car indicating that it was for sale for €5,000 when in fact its real price was €25,000. Bert later noticed the sign and recognising what a bargain it was immediately indicated to Alvin that he accepted the offer and would take the car for the indicated amount. Alvin, however, told Bert that there had been a mistake and that the true price of the car was €25,000. Bert insisted that he was entitled to get the car at the lower price, and when Alvin would not give it to him at that price Bert said that he would sue Alvin.After Bert had left, Alvin changed the price on the car to €25,000 and subsequently Cat came in and said she would like to buy the car, but that she would have to arrange finance.On Tuesday Del came by and offered Alvin the full €25,000 cash there and then and Alvin sold it to him.Required:Advise Alvin, Bert, Cat and Del as to their rights and liabilities in the law of contract. (10 marks)
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单项选择题

某工程划分为4个流水段，共4层，组织两个施工队进行等节奏流水施工，流水节拍为4天，其工期是（）天。

A．18

B．20

C．22

D．24
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