与强直性脊柱炎的发病关系最为密切的因素是（）
A.肠道细菌感染
B.肺炎克雷伯杆菌
C.HLA-B27
D.链球菌感染
E.泌尿系感染
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拔管时出现喉痉挛而拔管困难，应采取的措施是（）。
A.马上加深麻醉，充分供氧，待松弛后再拔
B.带管回病房，适当时拔出
C.马上给予肌松药
D.强行拔出
E.从气管导管内加入少量局部麻醉药
氢气瓶与空调设备、空气压缩机和通风设备等吸风口的间距不应小于（）m。
A.8
B.10
C.20
D.25
| 完形填空。 | ||||
| Most people who work in London get a break of about an hour for lunch. 1 they mostly live too far from home to go back there 2 lunch, they have to 3 other arrangements for their midday meal. Many large companies have a canteen (自助食堂) for their employees. In 4 canteens the food served is simple but 5 , and there is some 6 of choice. But the number of dishes 7 usually small. The employees themselves fetch their dishes 8 a counter at which they are 9 . There they can find a tray on 10 to carry their knives, forks, spoons, plates, cups, saucers, 11 , of course, their food. A meal in a canteen is inexpensive and may 12 of soup, fish and chips or meat and two vegetables, 13 fruit or pudding of some 14 as dessert. Some companies that do not run a canteen 15 their staff with luncheon-vouchers (午餐券), which many restaurants will accept in 16 of money. As there are so many people 17 work in London, there are numerous cafes and restaurants in every area that is not purely residential. A meal 18 cost anything from a modest sum to quite a few pounds, 19 on the restaurant and the food chosen. 20 , one can generally get a meal, or at least a snack, in a pub. In recent years there has also been a big increase in the number of 'take-away' food shops of all kinds. | ||||
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患者，男性，45岁，四肢及头皮反复发作的皮疹8年，近年逐渐出现远端指间关节、近端指间关节和右膝关节肿痛，伴活动受限，查体指甲可见顶针样凹陷，头皮发迹及四肢皮肤可见小片状鳞屑样皮疹，最可能的诊断是（）
A.反应性关节炎
B.类风湿关节炎
C.银屑病关节炎
D.痛风
E.骨关节炎
某项目施工现场固体废物处臵的基本思想是：采取资源化、减量化和无害化处理，对固体废物产生的全过程进行控制。规定了本项目固体废弃物的主要处臵方法。
简述减量化处理方法。