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问题 单项选择题 配伍题

单发、圆形或椭圆形、稍高出皮面、无痛的肉红色糜烂面或潜在性溃疡，可见于：（）

A.一期梅毒

B.二期梅毒

C.三期梅毒

D.潜伏梅毒

E.先天梅毒

答案

参考答案：A

填空题

点A（x1，y1）、B（x2，y2）在二次函数y=x2-2x-1的图象上，若x2＞x1＞1，则y1与y2的大小关系是y1______y2．（用“＞”、“＜”、“=”填空）
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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．specific

B．neutral

C．contained

D．related
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