问题
单项选择题
男性，6岁，左小腿近端痛1个月，进行性加重，各方面检查提示左胫骨上端骨肉瘤，外周血化验中发现哪一条最支持诊断
A．本周蛋白(+)
B．血沉加快
C．血中碱性磷酸酶升高
D．血中白细胞计数升高
E．血中酸性磷酸酶升高
答案
参考答案：C
解析：[解题思路] 骨肉瘤的外周血化验中血中碱性磷酸酶升高是最重要的血液学诊断指标。
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男性，6岁，左小腿近端痛1个月，进行性加重，各方面检查提示左胫骨上端骨肉瘤，外周血化验中发现哪一条最支持诊断
A．本周蛋白(+)
B．血沉加快
C．血中碱性磷酸酶升高
D．血中白细胞计数升高
E．血中酸性磷酸酶升高
参考答案：C
解析：[解题思路] 骨肉瘤的外周血化验中血中碱性磷酸酶升高是最重要的血液学诊断指标。
One afternoon just before Christmas it was cloudy with strong wind. An old man was walking in the street when he saw a little boy 56 in front of a beautiful shop window. The old man asked 57 he was crying there. The little boy said that he had lost the 58 dollars given by his mother. When the old man heard this, he put his hand 59 his pocket, took out a small wallet and gave the boy what was inside. The little boy looked at 60 and stopped crying. The old man walked away. An hour 61 , the old man was going back home by the same route. To his surprise, he saw the same boy at the same place. The boy was standing in the 62 wind. He went up to him and asked if he had really lost his 63 . The little boy said that he had found his ten dollars. He was waiting for him there. He wanted to 64 the ten dollars to him. The old man was so moved that he could say 65 .
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