第14题: [多项选择]双管同沟铺设沟底安装时,管沟沟底宽度计算公式为:a=D1+D2+S+C。设第一根管的管道外径D1=0.1m,第二根管的管道外径D2=0.2m,两管之间的设计净距S=0.7m,工作宽度C=0.6m,则沟底宽度为(
)m。 A. 1.0 B. 1.3 C. 1.6 D. 2.0 参考答案:C
第15题: [单项选择]下列哪一项不属于肾脏和尿路病变引起的压痛点() A. 第12肋骨与脊柱的夹角 B. 脐水平线上腹直肌外缘 C. 第12肋骨与腰肌外缘的夹角 D. 脐与髂前上棘连线中外1/3交界点 E. 第10肋骨的前端 参考答案:D
A. improve conditions at school for the students B. enable students to develop their own way of reading C. devise the most efficient system for reading D. make their teaching activities observable 参考答案:B 答案解析:依据文章第二段:The function of teaching is to create the conditions and the climate that will make it possi
第22题: [单项选择]Had I known her name, ______. A. or does she know mine B. I would have invited her to have lunch C. and where her home D. she would be at home 参考答案:B
A. Industry. B. Watchword. C. Technology. D. Progress 参考答案:D 答案解析:这是一道主旨题,考查对文章整体上的把握。文章首句“‘Progress’was…20th Century.”就指出进步是20世纪头20年的口号,接下来整篇文章,都在介绍20世纪头20年在技术、经济、政治