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问题 单项选择题

以企业的销售额占企业所服务的市场的百分比来表示的市场占有率是( )

A．全部市场占有率

B．可达市场占有率

C．相对市场占有率

D．完全相对市场占有率

答案

参考答案：B

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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选择题

Life in the oceans ranges from the tiniest plankton(浮游生物) ______ to giants like sharks and whales.

A．all the way

B．in the way

C．by the way

D．on the way
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