CT与常规X线体层摄片比较,关键区别于()A.采用激光相机拍照 B.无层面外组织结 发布时间:2017-07-11 06:54 │ 来源:www.tikuol.com 题型:单项选择题 问题: CT与常规X线体层摄片比较,关键区别于()A.采用激光相机拍照 B.无层面外组织结构干扰重叠 C.X线辐射剂量较小 D.可使用对比剂增强 E.病人摆位置较简便
题型:单项选择题 选择与下列句子相符的图片。( ) 1. — Where is this? — It's the Palace Museum. It is very old and beautiful.A. ( ) 2. — May I go to the clothes store with my brother? — Yes, you may. B. ( ) 3. — You look happy. — Yes. Tomorrow we are going to Tian'anmen Square on my trip.C. ( ) 4. — May I help you? — Yes, I want to find a hotel. — You can call 78123456. D. ( ) 5. — How far is the nearest (最近的) restaurant? — It is about 100 kilometres.E. 查看答案
题型:单项选择题 当应急电源装置(EPS)用作应急照明系统备用电源时,有关应急电源装置(EPS)切换时间的要求,下列哪一项是不正确的?()A.用作安全照明电源装置时,应不大于0.5sB.用作疏散照明电源装置时,应不大于5sC.用作备用照明电源装置时(不包括金融、商业交易场所),应不大于5sD.用作金融、商业交易场所的备用照明电源装置时,应不大于1.5s 查看答案