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问题 单项选择题

弹性联轴器既作联轴器又作减振器使用，在减振方面具有（）

A、大大降低轴系自振频率，达到避振目的

B、阻尼作用，限制共振振幅和共振应力

C、减小激振能量

D、A+B

答案

参考答案：D

单项选择题

下列关于集体建设用地使用原则的说法中，错误的是( )。

A．维护社会主义公有制，保护土地所有者和使用者的合法权益

B．按规划用地、节约用地、保护耕地

C．按计划用地，可以适当突破计划控制指标

D．如果涉及占用农用地的，必须依法办理农用地转用审批手续
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单项选择题 共用题干题

SOX is an alternative（1）for XML. It is useful for reading and creating XML content in a（2）editor. It is then easily transformed into proper XML. SOX was created because developers can spend a great deal of time with raw XML. For many of us, the popular XML（3）have not reached a point where their tree views, tables and forms can completely substitute for the underlying（4）language. This is not surprising when one considers that developers still use a text view, albeit enhanced, for editing other languages such as Java. SOX uses（5）to represent the structure ofan XML document, which eliminates the need for closing tags and a number of quoting devices. The result is surprisingly clear.

空白（2）处应选择（）

A.graphic

B.program

C.command

D.text
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