搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1型题

颅后窝血肿超过多少量须行开颅手术治疗（）

A.5ml

B.10ml

C.15ml

D.20ml

E.25ml

答案

参考答案：B

解析：颅后窝容积小，容易引起严重的枕骨大孔疝而导致生命危险，故对超过10ml以上的颅后窝血肿必须行开颅手术清除，必要时行颅后窝减压术。

单项选择题 B型题

X线检查示主动脉结隆起，升主动脉和弓部增宽的疾病是（）

A.二尖瓣狭窄

B.二尖瓣关闭不全

C.主动脉瓣狭窄

D.主动脉瓣关闭不全

E.先天性心脏病
查看答案
单项选择题

DOM is a platform-and language- (1) 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 (2) . DOM is a (3) -based API to documents, which requires the whole document to be represented in (4) while processing it. A simpler alternative to DOM is the event-based SAX, which can be used to process very large (5) documents that do not fit into the memory available for processing.

A．table

B．tree

C．control

D．event
查看答案