试题与答案

某一同学用天平测一金属块的质量,在调节天平平衡时,游码位于标尺的0.2g的位置,

题型:选择题

题目:

某一同学用天平测一金属块的质量,在调节天平平衡时,游码位于标尺的0.2g的位置,这样测得的最终结果是137.8g,那么金属块的真实质量为(  )

A.137.8g

B.138.0g

C.137.6g

D.137.4g

答案:

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参考答案:A解析:本题考查项目特征的含义,项目特征是构成分部分项工程项目、措施项目自身价值的本质特征。项目特征是对项目的准确描述,是确定一个清单项目综合单价不可缺少的重要依据。考点:工程量清单计价与...

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