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【单选题】
( )是指特定主体通过提高企业经营管理水平、商品质量、服务质量和商业信誉等方面逐渐建立起来的经济资源。A.
权力型无形资产
B.
知识型无形资产
C.
关系型无形资产
D.
组合型无形资产
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【单选题】a green house is a building made of glass which is used for keeping plants warm when the outside temperature is low. In a similar way there are several gases in the atmosphere which trap the heat prod...
A.
the way in which gases are used for keeping plants warm
B.
a natural course which is to some degree helpful to us.
C.
the way greenhouse gases trap heat on the earth
D.
the whole course in which greenhouse gases pr heat .
【判断题】The air filter is used in the engine to trap contaminants, yet provide a free flow of air into the engine. Air filters which are usually used in cars are made of paper element. These filters permit ai...
A.
正确
B.
错误
【简答题】按钮的哪个属性用于定义事件响应方法?
【单选题】A high-temperature alarm or______which will melt is used to guard against the explosion of comperssor air pipelines.
A.
a flame trap
B.
a relief valve
C.
a fusible plug
D.
a bursting cap
【单选题】**A high temperature alarm or ____ which will melt is used to guard against the explosion of compressor air pipelines.
A.
a flame trap(阻焰器)
B.
a relief valve
C.
a fusible plug(易熔塞)
D.
a bursting cap(防爆)
【单选题】A high temperature alarm or （） which will melt is used to guard against the explosion of compressor air pipelines.
A.
a flame trap
B.
a relief valve
C.
a fusible plug
D.
a bursting cap
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