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问题 选择题

——Mary stays alone in the classroom and looks sad.

——________ to her?

A．What happens

B．What is happened

C．What is happening

D．What was happening

答案

答案：A

根据问句，需要用一般现在时，故选A

单项选择题

我国的消费税采取( )征税的办法。

A．全面

B．列举

C．消费

D．进口
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单项选择题

DOM is a platform and language- (51) 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 (52) . DOM is a (53) -based API to documents, which requires the whole document to be represented in (54) while processing it. A simpler alternative to DOM is the event-based SAX, which can be used to process very large (55) documents that do not fit info the memory available for processing.

A．specific

B．neutral

C．contained

D．related
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