距肛门部7cm发现广基的直肠绒毛状管状腺瘤，大小约1.5cm，最合适的治疗方法为（）

A.定期复查肠镜

B.直肠镜下套扎电灼切除

C.从肛门部局部切除

D.开腹手术治疗

E.以上都不正确

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（1）处应选择（）

A.link

B.format

C.structure

D.procedure