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21622012人教版八年级新教材《第六章 质量与密度--第3节 测量物质的密度》同步练习题 (有答案)0.00B0.00BzipczwlzxdemyzzyzzdemyzzyzzPE.SiteConfig.SkinPathMMskin/images/userface.png
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   demyzzyzz1质量与密度,测量物质的密度自创2013年02月07日/UploadFiles/nopic.gif
     
				
						
								【基础训练】
						
						
								  
						
				
		
		
				
				
				
						
								【基础训练】
						
						
								  
						
				
		
		
				
						
								一、选择题
						
						  
				
		
		
				
						1
						.量筒做得细而高,不做成粗而矮的形状,如图 6-3-1 所示,主要原因是:  
		
		
				                                        A.细而高的量筒便于操作,也不易因摔倒而打碎  
		
		
				
						B
						.细高的量筒可以做出相对较大的底座,增加稳定性
						  
				
		
		
				
						C
						.细高的量筒与粗矮的量筒比较,其刻度间隔较大,能较准确地读数
						  
				
	
    【内容简介】
				
						
								【基础训练】
						
						
								  
						
				
		
		
				
						
								一、选择题
						
						  
				
		
		
				
						1
						.量筒做得细而高,不做成粗而矮的形状,如图 6-3-1 所示,主要原因是:  
		
		
				                                        A.细而高的量筒便于操作,也不易因摔倒而打碎  
		
		
				
						B
						.细高的量筒可以做出相对较大的底座,增加稳定性
						  
				
		
		
				
						C
						.细高的量筒与粗矮的量筒比较,其刻度间隔较大,能较准确地读数
						  
				
		
		
				
						D
						.粗矮的量筒中液体较多,需用较厚的玻璃制作,因而不便读数
						  
				
		
		
				
						2
						.实验室里有四个量筒,要一次尽可能准确地量出
						100
						g
						密度为
						0
						.
						8
						× 103kg /m3的煤油,应该使用的量筒是:
		
		
				
						A
						.量程为
						100
						mL
						,分度值为
						2 mLB
						.
						量程为
						200
						mL
						,分度值为
						5 mL  
				
		
		
				
						C
						.
						量程为
						250
						mL
						,分度值为
						10mLD
						.
						
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so.write("CuPlayer"); 
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