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问题 单项选择题

下列选项中，哪一文化因素是在藏族民间舞蹈中保存着的（）？

A.绿洲文化型的“古格里”

B.农耕文化型的“艮”

C.农牧文化的型的“卓”

D.以上三项都不是

答案

参考答案：C

单项选择题

IP multicasting is a set of technologies that enable efficient delivery of data to many locations on a network. Rather than making multiple copies of a message intended to be distributed to multiple recipients at the (71) of origin of a message, multicasting initially sends just one (72) and does not copy it to the individual recipients until it reaches the closest common point on the network, thereby (73) the bandwidth consumed. Network performance is significantly (74) because it isn’t bogged down with the processing and transmission of several large data fries; each receiving computer doesn’t have to (75) the transmitting server for the file.

A．extending

B．minimizing

C．demolishing

D．reducing
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多项选择题

开发商的主要合同关系通常包括______等。

A．保险合同

B．分包合同

C．销售合同

D．勘察设计合同

E．加工合同
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