第17题: [单项选择]Why is the woman tired A. She is very busy. B. Her hands are full of things. C. She needs people to write the minutes. 参考答案:A 答案解析:[听力原文] M: I’d like to invite you to attend my wedding party tomorrow. W: I’d love to. But I’ll
第25题: [单项选择]腰骶关节前后位摄片,中心线的投射角度是 A. 垂直投射 B. 向头侧倾斜15°~20° C. 向足侧倾斜15°~20° D. 向头侧倾斜45° E. 向足侧倾斜45° 参考答案:B 答案解析:由于人体脊柱的正常生理曲度,腰椎段前凸,骶骨后凸,两者构成的腰骶关节面从前下向后上走行,与人体水平面形成15°~20°的夹角。故仰卧前后位摄影时,中心线要向头侧倾15°~20°。