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【单选题】
( )误差是指测量值与被测量真值之间的差值。A.
绝对
B.
相对
C.
引用
D.
系统
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举一反三
【单选题】听力原文：Why is Judy so happy today? (5)
A.
She's my friend.
B.
She had lunch.
C.
She passed the entrance exam.
D.
She is a pretty girl.
【简答题】什么是决策?结合实际谈谈决策的基本程序。
【单选题】历史常常成为“或然历史”主题科幻小说描述的对象,现实生活中,地质学/考古学中常用的用来推断含碳物质年代的方式是:对其剩下的放射性( )进行测定,来确定其“年龄”。
A.
碳-12
B.
碳-13
C.
碳-14
D.
碳-15
【简答题】工程控制网优化设计的目的,就是在一定的观测条件下要控制网有较高的质量。为衡量网的质量,现代测量中提出了哪几条标准?
【简答题】阅读理解。 Do you know the pretty girl? Her name is Tian Wei. She was born on April 5, 1986. She was from Beijing. She had two big eyes and short hair. She was good at Chinese. And she loved writing. She w...
【简答题】Do you know the pretty girl? Her name is Tian Wei. She was born on April 5, 1986. She was from Beijing. She had two big eyes and short hair. She was good at Chinese. And she loved writing. She was unl...
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