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问题 单项选择题

某闭合流域多年平均降水量为950mm，多年平均径流深为550mm，则多年平均蒸发量为( )。

A．900mm

B．400mm

C．1500mm

D．550mm

答案

参考答案：B

单项选择题

WebSQL is a SQL-like （） language for extracting information from the web. Its capabilities for performing navigation of web （） make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a（） , all the pages that can be reached from a given URL through （） that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common （） Interface.

WebSQL also provides transparent access to index servers that can be queried via the Common （） Interface.

A．Router

B．Device

C．Computer

D．Gateway
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判断题

员工培训是社会和组织保障的一部分，是工资报酬的补充或延续。
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