下列先天性心脏病中，哪种属于右向左分流型A．房间隔缺损B．室间隔缺损C．动脉导管未闭

寄存器间接寻址方式中，操作数在( )中。

A．通用寄存器

B．堆栈

C．主存单元

D．段寄存器

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.

70（）

A．XML　　　　

B．HTML　

C．script

D．web

西文字符无论在全角还是在半角下都只有半个汉字宽度。( )

火花塞侧电极到中心电极距离一般为0.7～1.0mm。

我国根本的行政领导制度是：( )

A．分工负责制

B．首长负责制

C．民主集中制

D．集体领导制