如果没有重力,下列哪些现象不会出现( ) A.灰尘扬起后不会落回地面 B.宇航员 发布时间:2017-07-17 19:03 │ 来源:www.tikuol.com 题型:选择题 问题: 如果没有重力,下列哪些现象不会出现( )A.灰尘扬起后不会落回地面B.宇航员在宇宙飞船中,饮料倒不进嘴里C.人轻轻一跳,就跳得非常远D.人的头撞到墙上不会感到疼
题型:选择题 男,25岁,因腰背部疼痛1个月余,加重3天入院。1个月前劳累后出现腰痛,当地医院诊断为"腰肌劳损",予理疗,症状稍缓解。发病后食欲较差,体重稍降低,时有午后低热,夜间出汗较多。查体:腰椎活动度受限,腰4、5棘突压痛,双下肢感觉运动正常。右下腹饱满,肌稍紧张,轻压痛。提示:经过支持抗痨3周,患者食欲有所改善,仍有低热盗汗,腰椎疼痛减轻,双下肢感觉运动正常。复查ESR60mm/h,Hb100g/L。根据患者情况,进一步采取的治疗措施是()A.抗痨效果明显,可继续应用原治疗方案至治愈B.血沉较高,仍应继续加强抗痨治疗C.血沉已较前明显降低,可行手术治疗D.手术方式可采用病灶清除植骨融合术E.手术仅能行病灶清除术,不能植骨,尤其不能内固定F.术前术后应继续抗痨治疗 查看答案
题型:选择题 Rapid application development (RAD) systems purport to lighten the developer’s (46) by making it easy to program an application with simple intuitive steps. RAD tools (47) the developer everything needed to construct a fully functional application quickly and easily. They make short work of modifying the developed product to (48) changes after the program is finished. Applications developed with RAD tools are constructed as they are envisioned. As an application’s real usefulness (49) , the developer armed with RAD tools should be able to (50) on new features with little fuss.A. offer B. order C. refer D. release 查看答案