问题
单项选择题
男孩，6岁，高热2天，同时有右下肢剧痛不能活动。检查：体温39.5℃，脉搏130次/分，精神不振；右股骨上端微肿，有深压痛；WBC25N109/L，中性粒细胞85%；骨扫描右股骨上端有浓聚区。
该患儿可能的诊断是
A．恶性骨肿瘤
B．急性蜂窝织炎
C．急性化脓性骨髓炎
D．急性化脓性关节炎
答案
参考答案：C
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男孩，6岁，高热2天，同时有右下肢剧痛不能活动。检查：体温39.5℃，脉搏130次/分，精神不振；右股骨上端微肿，有深压痛；WBC25N109/L，中性粒细胞85%；骨扫描右股骨上端有浓聚区。
该患儿可能的诊断是
A．恶性骨肿瘤
B．急性蜂窝织炎
C．急性化脓性骨髓炎
D．急性化脓性关节炎
参考答案：C
Being on the road at 3:15 a. m. to drive 450 kms wasn’t in my plans for the weekend. I had been looking forward to a couple of 1 days to prepare myself for the following busy 2 . My son, Simon, and his good friends were heading for the 3. Due to the last-minute issue（问题）with transportation, I 4 my car to make sure that everyone could get to the 5 point so that they could get together and enjoy their week’s 6 by snowboarding and skiing. The only thing that 7 to me on my journey was that no sooner had I 8 and said goodbye than I would make the trip 9 ，in total, a round trip of 900 kms in just 10 hours. Such a long drive in one day was frightening, 10 as I was looking forward to relaxationSimon and I 11 , on our way, about his break and a whole lot of his school subjects. It was great to have this time with him as we 12 spent five continuous hours together, other than when we played Saturday cricket (板球). On my return trip, I 13 a strange sense of loneliness in some heavy morning 14 . Within an hour it 15 . I spent the next four hours listening to some CDs and enjoying the scenery. Surprisingly, after my long trip home I was 16 refreshed and energized even though I was physically exhausted. And I knew that I would have a(n) _17 sleep that evening. A change 18 your environment, no matter how great, can provide you with the opportunity to 19_ something from different angles（角度）, as well as to be refreshed and energized. Now I’m looking forward to my next 20 event and many more opportunities to spend quality time with those who are important to me and make my life more rewarding.
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