期现套利与现货并没有实质性联系,现货风险对他们而言无关紧要。( )
参考答案:对
解析: 掌握套期保值与期现套利的区别。见教材第八章第二节,P395。
不宜进行现场服务的情形有哪些?
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(3)处应选择()
A.table
B.tree
C.control
D.event