靶区本身生理性运动范围及日常治疗中摆位引起的变动范围是（）。
A.肿瘤区
B.靶区
C.计划区
D.治疗区
E.照射区放疗
参考答案：C
患者女，53岁，便血半年余，血色暗红，有时有粘液，伴腹泻，里急后重，排便小尽感。
直肠癌行X线气钡双重对比检查可见（）
A.龛影
B.充盈缺损
C.肠腔狭窄
D.以上均是
E.以上均非
He was dismissed because his attitude towards his work was rather________. [ ]
A. eager
B. delicate
C. changeable
D. casual
