试题与答案

某边长丈量若干次，计算得到平均值为540m，平均值的中误差为0.05m，则该边长的相

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题型：单项选择题

题目：

某边长丈量若干次，计算得到平均值为540m，平均值的中误差为0.05m，则该边长的相对误差为（）。

A.0.0000925

B.1/10800

C.1/10000

D.1/500

答案：

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(    ) 1. A. As early as  
(    ) 2. A. built        
(    ) 3. A. varied        
(    ) 4. A. Apart from    
(    ) 5. A. medical care  
(    ) 6. A. suddenly      
(    ) 7. A. be taking place
(    ) 8. A. while        
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(    )10. A. over          
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(    )12. A. started      
(    )13. A. out of        
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(    )15. A. inner        
(    )16. A. distinction  
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