Even though Lucy and Kathy are good frie

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．document

B．processor

C．disc

D．memory

男性，29岁。高处坠落2小时后送至医院。主诉胸背部疼痛，双下肢不能活动。

术后5天，截瘫恢复不理想，此时要特别注意的并发症是（）

A.肺炎、肺不张

B.下肢静脉血栓形成

C.压疮

D.尿潴留

E.伤口感染

成功的物流业务外包可以提高企业的（），使企业集中精力做好自己的核心业务。

A．劳动生产率 

B．管理水平 

C．生产成本 

D．产品价格

露天敷设备的可燃气体，液体的金属管道作防感应雷接地时，其地电阻不宜超过（）Ω。

A.4

B.10

C.30

D.100

架空电力线路隐蔽工程的项目包括（）。

A.基础工程

B.接地工程

C.导线连接

D.导线架设质量