问题
单项选择题
老年男性患者因嗜酒出现股骨头缺血性坏死,疼痛难忍需服用止痛药伴有跛行,X线检查显示股骨头塌陷严重,关节间隙明显变窄,骨赘增生。治疗应首选的方法是()
A.继续服用止痛药
B.人工关节置换手术
C.拆除空心螺钉
D.带血管骨瓣移植术
E.以上都不是
答案
参考答案:B
老年男性患者因嗜酒出现股骨头缺血性坏死,疼痛难忍需服用止痛药伴有跛行,X线检查显示股骨头塌陷严重,关节间隙明显变窄,骨赘增生。治疗应首选的方法是()
A.继续服用止痛药
B.人工关节置换手术
C.拆除空心螺钉
D.带血管骨瓣移植术
E.以上都不是
参考答案:B
完形填空。 | ||||
Swimming is very popular in summer. People like swimming in summer because water makes them 1 cool. If you like swimming but swim in a 2_ place, it may not safe. These years, more than ten people 3 while they were enjoying themselves in the water and _4 _ of them were students. But some people are _5 not careful in swimming.They often think they swim so 6 that nothing can happen to them in water. Summer is here again. If you go swimming in summer, don't forget _7 better swimmers have died in water.They died because they were not careful,not because they 8 swim. So don't get into water when you are alone 9 there is a "No swimming" sign, don't get into water, 10 . If you remember these, swimming will be safer. | ||||
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