绞窄性斜疝局部有感染者，应选的合理手术方式是（） A．单纯疝囊高位结扎术 B．Fer 发布时间：2019-05-28 18:49 │ 来源：www.tikuol.com 题型：单项选择题 问题： 绞窄性斜疝局部有感染者，应选的合理手术方式是（）A．单纯疝囊高位结扎术B．Ferguson法C．McVay法D．Bassini法
题型：单项选择题 完形填空。 Mr. Brown, a teacher in a primary school, often fell asleep in class, but he didn't want his 1 to know and do that. One day he again fell asleep 2 . When he woke up, one of the 3 , Tom, asked him, "Why did you fall asleep in class just now, dear sir?" Mr. Brown's face turned 4 . "I…I…The Sungod (太阳) asked me to visit him in my dream." he said. Tom wanted to say something, 5 he said nothing. The next day, Tom also 6 in class. When the teacher saw him, he 7 Tom up and asked him, "Why did you fall asleep in class and not 8 me, Tom?" Tom answered with a smile on his 9 , "The Sungod asked me to visit him, too." The teacher became 10 when he heard this and asked, "What did he say to you, then?" He told me he didn't see you yesterday. ( )1. A. teachers ( )2. A. at table ( )3. A. boys ( )4. A. black ( )5. A. but ( )6. A. went to bed( )7. A. woke ( )8. A. hear from ( )9. A. head ( )10. A. angry B. students B. in class B. girls B. red B. and B. got up B. threw B. hear of B. nose B. happy C. parents C. in hospital C. men C. yellow C. or C. fell asleep C. hung C. listen to C. face C. sad D. workers D. in bed D. women D. green D. so D. went to work D. brought D. look at D. ear D. pleased 查看答案
题型：单项选择题 ( )不是设备监理工程师应履行的义务。A．在合同期内公正、客观地履行职责，根据所在设备监理机构赋予的职责，对其负责的监理任务承担相应责任B．为委托方提供合同约定的监理服务，维护委托方的合法权益C．不得参与设备监理项目之外的经济技术活动D．只在一个设备监理单位执业 查看答案
题型：单项选择题 外源性致热源的特点，正确的是（）A.分子量较小B.其致热源性可被蛋白酶类所破坏C.能激活血液中的中性粒细胞和单核细胞D.直接作用于体温调节中枢E.在体内最终由肝、肾灭活和排泄 查看答案
题型：单项选择题 若关系R、关系S分别如表1和表2所示，则关系代数表达式π1,3,7(σ3＜6(R×S))=______，且结果集的元组列数和元组个数分别为______，R/S______。 表1 关系R A B C D 1 2 4 6 2 3 3 1 3 4 1 3 表2 关系S C D E 3 4 2 8 9 3A．πA,C,E(σC＜D(R×S)) B．πA,R.C,E(σR.C＜S.D(R×S)) C．πA,S.C,S.E(σR.C＜S.D(R×S)) D．πR.A,R.C,R.E(σR.C＜S.D(R×S)) 查看答案