北师大版小学六年级数学下册第一单元测试试卷

<div style="text-align: center;"><strong><font color="#ff0000">北师大版小学六年级数学下册第一单元测试卷</font></strong></div><div><br></div><br><span><strong>一、填空:(每空1分,共25&nbsp;分)</strong></span><br><br><span>1、一个圆柱体的侧面沿侧面的一条高展后是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>),当(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)和(&nbsp;</span><span>&nbsp;&nbsp;</span><span>)相等的时候是(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)。它的长等于圆柱的(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>),宽等于圆柱的(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>),所以圆柱的侧面积&nbsp;=(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)×(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)。</span><br><br><span>2、圆柱体(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)叫圆柱体的高。一个圆柱体有(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)条高,一个圆锥体只有(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>)条高。</span><br><br><span>3、以一个长和宽分别为8厘米和4厘米的长方形的长为轴旋转一周得到的形体是(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>),它的表面积是(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)。</span><br><br><span>4、沿一个圆柱体底面的一条直径垂直向下切开,截面为一个边长6厘米的正方形,它的体积是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)立方厘米,与它等底等高的圆锥体的体积是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)立方厘米。</span><br><br><span>5、把一个圆柱体木头削成一个最大的圆锥体,削去部分的体积是36立方分米,则这个圆锥的体积是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)立方分米。</span><br><br><span>6、一个圆柱的底面半径扩大3倍,高不变,则底面周长扩大(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)倍,体积扩大(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)倍。</span><br><br><span>7、一个圆柱和一个圆锥等底等高,圆锥的体积是9立方分米,圆柱的体积是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)立方分米。</span><br><br><span>8、一个圆柱和一个圆锥底面积和体积都相等,则它们高的比是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)。</span><br><br><span>9、求长方体、正方体和圆柱体的体积都可以用(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)×(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)来计算。</span><br><br><span>10、一个圆柱体和一个与它等底等高的圆锥体的体积和是100立方分米,这个圆柱体的体积是(</span><span>&nbsp;&nbsp;&nbsp;</span><span>)立方分米。</span><br><br><span>11、2.6平方米=(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)平方分米&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>1900毫升=(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)升</span><br><br><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>4.8升=(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)立方厘米</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>250&nbsp;平方厘米=(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)&nbsp;平方分米</span><br><br><br><span><strong>二、判断正误 12分</strong></span><br><br><span>1、一个圆柱体状的杯子的体积就是它的容积。&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><br><br><span>2、若两个圆柱体的侧面积相等,则它们的体积也相等。&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><br><br><span>3、圆柱体的高不变,底面半径如果扩大三倍,则它的体积扩大9倍。&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>(   )</span><br><br><span>4、如果一个物体上下两个底是相同的圆,侧面是曲面,则这个物体一定是圆柱体。 (   )</span><br><br><span>5、圆柱的体积等于圆锥体积的3倍。        (   )</span><br><br><span>6、以三角形的一条边为轴旋转一周一定可以得到一个圆锥体。&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>)</span><br><br><br><strong><span>三、选择题</span><span>&nbsp;&nbsp;&nbsp;</span><span>10分</span></strong><br><br><span>1、在长4米的圆柱形钢柱上,用一根长31.4分米的铁丝正好沿钢柱绕10圈,这根钢柱的体积是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)立方分米。</span><br><br><span>A、31.4</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>B、125.6</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>C、31400</span><br><br><span>2、把一个大圆柱分成两个小圆柱后发生变化的是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><br><br><span>A、圆柱的体积</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>B、圆柱的表面积</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>C、圆柱的侧面积</span><br><br><span>3、一块圆柱形橡皮泥,能捏成_______个和它等底等高的圆锥形橡皮泥。</span><br><br><span>A、1</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>B、2</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>C、3</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>D、4</span><br><br><span>4、一个长6米的圆柱体状的木头,把它平均截成相等的三段,表面积增加了20平方分米,则这个圆柱体木头的体积是(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><br><br><span>A、30立方米&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>B、300立方分米&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>600立方分米&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>C、无法计算</span><br><br><span>5、做一个圆柱形油桶,至少要用多少平方米铁皮是求它的(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)。</span><br><br><span>A、体积</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>B、侧面积</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>C、表面积</span><br><br><br><span><strong>四、列式计算。(每题6分,共12分)</strong></span><br><br><span>1、已知圆柱的底面直径是4分米,高是直径的5倍,求它的体积。</span><br><br><span>2、已知圆锥的底面周长是25.12厘米,高是30厘米,求它的体积。</span><br><br><br><span><strong>五、解决问题。(共31分)</strong></span><br><br><span>1、王师傅做10节同样大小的圆柱形通风管,每节长8分米,底面半径是5厘米,一共要用多少平方米的铁皮?(得数保留一位小数)</span><br><br><span>2、一个圆柱形</span><span style="font-family: 黑体;">蓄</span><span>水池底面内直径是2米,深2米,在池的内壁与底面抹上水泥,抹水泥部分的面积是多少平方米?蓄水池的容积是多少立方米?</span><br><br><span>3、一个圆锥形沙堆的体积是47.1立方米,高是5米,这个沙堆占地多少平方米?</span><br><br><span style=" z-index:1; left:0px; "></span><span>4、绕一个等腰直角三角形(如下图)的一条直角边旋转一周,得到一个立体图形,这个立体图形的体积是多少立方分米?(得数保留两位小数)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0301/201331134342.png?m=0.657165810232982"><br><br><span>5、一个圆柱,底面半径是0.2米,高是35分米,它的侧面积是多少平方分米?</span><br><div><span><br></span></div>