题目内容

结肠镜检查的并发症有哪些？

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什么是"无痛"胃、肠镜检查？

VRML is a（1）for 3D multimedia and shared virtual worlds on the WWW.In comparison to HTML, VRML adds the next level of interaction,structured graphics,andextra（2）（z and time）to the presentation of documents.The applications of VRMLare（3）,ranging from simple business graphics to entertaining WWW page graphics, manufacturing,scientific,entertainment,and educational applications,and 3D shared virtual worlds and communities. X3D is the name under wluch the development of VRML is continueD.X3D is based on XML andis backwards（4）with VRML.Furthermore,it is componentized,profiled, and extensible,which makes it possible to use X3D in very different（5）,from high-end visualizations to lightweight applications.空白（5）处应选择（）

A. scenanos
B. places
C. applications
D. programs

胃脘疼痛，嘈杂灼热，口干口苦，渴不欲饮，头重如裹，身重肢倦，纳呆恶心，小溲色黄，大便不畅，舌苔黄腻，脉象滑数。应辨证为（）

A. 湿热胃痛
B. 暑湿胃痛
C. 湿盛胃痛
D. 热霍乱
E. 食滞胃痛

有些头颈部肿瘤放射治疗后的复发，多是中央性复发。术后的复发主要为外围性复发。因此，综合使用术前放疗加手术切除，可以获得取长补短的效果

A. 正确
B. 错误