四年级数学下册第六单元《数据的表示和分析》单元试卷(无答案)北师大版.doc

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1数据的表示和分析一、我国 1997、1999 年自然保护区的数量如下表。类别年份 国 家 级 省 级 市 级 县 级1997 124 392 84 3261999 155 404 138 449请根据表中的数据完成下面的复式条形统计图,回答下面的问题。1997 年我国哪类自然保护区最多?1999 年哪类最多?1999 年我国各类保护区均比 1997 年( )。从统计图中你还能得到哪些信息?二、下面是新华村 19961998 年水稻、小麦产量的统计图。新华村水稻、小麦产量统计图(1996 年1998 年) 1999 年 1 月制2根据上图的数据填写下表新华村粮食产量统计表 年 月1996 1997 1998合计水稻小麦三、四年级(1)班某小组同学两次跳绳测试成绩如下图。(1)与第一次测试相比,第二次测试谁的进步最大?(2)你还能看出什么?3四、(1)水污染最严重的省份是( )。(2)大气污染最严重的省份是( )。(3)水污染共损失( )万元。(4)江苏省的水污染比大气污染多损失( )万元。(5)看了这幅图你有什么想法?4

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