粤曲的唱腔音乐主要分板腔类、曲牌类和（） A.诗赞类 B.戏类 C.桥牌类 D.轻腔

气相色谱法测定水中五氯酚时，水样中存在有机氯化合物及多氯联苯对五氯本分测定的干扰如何消除？

警察虽然随着国家的产生而产生，但是警察同国家不一样，它不是阶级矛盾不可调和的产物。 ( )

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.

空白（4）处应选择（）

A.document

B.processor

C.disc

D.memory

在处理与外来文化关系时，我们应当求同存异、兼收井蓄，这样做有利于（）

①在和睦的关系中交流

②增强对自身文化的认同

③增强对外来文化的理解

④促进传统文化不断创新

A.①②③

B.①②④

C.①③④

D.②③④

冯至的第一部诗集是（）。