患者，男，40岁。患十二指肠溃疡6年，反复发作，经奥美拉唑治疗后溃疡愈合。近2个月再次上腹痛，胃镜提示十二指肠球前壁直径1cm溃疡。此患者溃疡病反复发作最可能的原因是（）.

A.吸烟

B.饮酒

C.精神因素

D.奥美拉唑疗效不好

E.幽门螺杆菌感染

DOM is a platform- and language- （66） API that allows programs and scripts to dynamically access and update the content, structure and style of WWW documents (currently, definitions for HTML and XML documents are part of the specification). The document can be further processed and the results of that processing can be incorporated back into the presented （67） . DOM is a （68） -based API to documents, which requires the whole document to be represented in （69） while processing it. A simpler alternative to DOM is the event-based SAX, which can be used to process very large （70） documents that do not fit into the memory available for processing.

A．text

B．image

C．page

D．graphic