2012-2013学年小学四年级数学上学期第四单元测试试卷

<div style="layout-grid:; "><div style="text-align: center;"><strong>2012学年度上学期小学单元学习水平评价</strong></div><div style="text-align: center;"><strong><br></strong></div><div style="text-align: center;"><strong>四年级数学(4)</strong></div><br><span>学校</span><span style=" text-decoration:underline ; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>&nbsp;&nbsp;&nbsp;四年</span><span style=" text-decoration:underline ; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>班&nbsp;&nbsp;&nbsp;&nbsp;学号</span><span style=" text-decoration:underline ; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>&nbsp;&nbsp;&nbsp;姓名</span><span style=" text-decoration:underline ; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span><br><span><strong>内容:平行四边形和梯形</strong></span><br><br><span>全卷100分&nbsp;答卷时间:60分钟</span><br><br><strong><span>一、直接写出得数(</span><span>10分)</span></strong><br><br><span>36×2=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;360+470=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12×300=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;350÷7=&nbsp;&nbsp;&nbsp;&nbsp;930-140=</span><br><br><span>240÷8=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;400×20=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;140×60=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;60×90=&nbsp;&nbsp;&nbsp;&nbsp;350×30=</span><br><br><strong><span>二、填空</span><span>(共27分)</span><span></span></strong><br><br><span>1</span><span>.</span><span>有两组对边分别平行的(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)形叫做平行四边形,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)的四边形叫做梯形,两腰相等的梯形叫(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。(3分)</span><br><br><span>2</span><span>.如果两条直线相交成(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)角时,就说这两条直线互相垂直。(1分)</span><br><br><span>3.</span><span>过直线外一点画这条直线的平行线有(&nbsp;&nbsp;&nbsp;)条。(1分)</span><br><br><span>4.如果平行四边形的四个角都变成直角,那么这个平行四边形就成了(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。(1分)</span><br><br><span>5.右图中平行四边形的一组底和高分别是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)cm和</span><br><br><span>(&nbsp;&nbsp;&nbsp;)cm,另一组底和高分别是(&nbsp;&nbsp;&nbsp;)cm和(&nbsp;&nbsp;&nbsp;)cm,</span><br><br><span>这个平行四边形的周长是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。(5分)<img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123113941.png?m=0.9424409356433898"></span><br><br><span style=" z-index:1; left:0px; "></span><span>6.在两条平行线之间画两条垂线段,量得其中一条垂线段长3厘米,那么另外一条垂线段的长度是(&nbsp;&nbsp;&nbsp;&nbsp;)厘米。(1分)</span><br><br><span>7.右图中有(&nbsp;&nbsp;&nbsp;&nbsp;)种图形,</span><span>它们分别是(&nbsp;&nbsp;&nbsp;&nbsp;)形(&nbsp;&nbsp;&nbsp;&nbsp;)形和(&nbsp;&nbsp;&nbsp;&nbsp;)形。(4分) &nbsp; &nbsp;<img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114025.png?m=0.7575812039431185"> &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span><br><br><br><br><span>8.同一平面内的两条直线&nbsp;<img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114135.jpg?m=0.07629548758268356"></span><br><br><span>9</span><span>.</span><span>梯形的(&nbsp;&nbsp;&nbsp;&nbsp;)和(&nbsp;&nbsp;&nbsp;&nbsp;)互相平行,梯形的底和高互相(&nbsp;&nbsp;&nbsp;&nbsp;)。(3分)</span><br><br><span style=" z-index:1; left:0px; "></span><span>10.右图中的两条直线互相(&nbsp;&nbsp;&nbsp;&nbsp;),图中有(&nbsp;&nbsp;&nbsp;&nbsp;)个直角。(4分)<img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114156.png?m=0.9382196641527116"></span><br><br><strong><span>三、下面是平行线的请画“√”,是垂线的请画“○”。</span><span>(8分)</span></strong><br><br><img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114215.png?m=0.9933342591393739"><br><br><strong><span>四、选择题</span><span>(5分)</span></strong><br><br><span>1.如果有两条直线都与同一条直线平行,那么这两条直线(&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span style=" z-index:1; left:0px; "></span><span>A.互相垂直&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.互相平行&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.一定相交</span><br><br><span>2.右图中,最短的一条线段是:(&nbsp;&nbsp;&nbsp;)</span><span><img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114238.png?m=0.016589581966400146"></span><br><br><span>A.PA&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.PB&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.PC</span><br><br><span>3.长方形是特殊的(&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>A.正方形&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.平行四边形&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.梯形</span><br><br><span>4.两个完全一样的三角形,可拼成一个(&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span></span><br><br><span>A.梯形&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.平行四边形&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.圆形</span><br><br><span>5</span><span>.</span><span>在平行四边形的一组对边之间,可以画(&nbsp;&nbsp;&nbsp;&nbsp;)高。</span><br><br><span>A.1条&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.2条&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.无数条</span><span> </span><br><br><strong><span>五、画一画,算一算</span><span>(共50分)</span></strong><br><br><span>1.过点A画已知直线的平行线。(6分)</span><br><br><span style=" z-index:1; left:0px; "></span><img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114310.png?m=0.739423870574683"><br><br><span>2.过点B画已知直线的垂线。(6分)</span><br><br><span style=" z-index:1; left:0px; "></span><img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114332.png?m=0.2724477394949645"><br><span><br></span></div><div style="layout-grid:; "><span>3.画出底所对应的高。(6分)</span><br><br><span style=" z-index:1; left:0px; "></span><img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114357.png?m=0.46139703458175063"><br><br><span>4.在平行四边形里面一条线段把它分割成两个梯形。(3分)</span><br><br><span style=" z-index:1; left:0px; "></span><img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114419.png?m=0.4752009869553149"><br><br><span>5.画一个长4厘米,宽2厘米的长方形。(6分)</span><br><br><span>6.在下面的点子图上面画一个平行四边形和一个梯形,并分别画出它们的高。</span><span>(12分)</span><br><br><span style=" z-index:1; left:0px; "></span><img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114452.png?m=0.5301455040462315"><br><br><span>7.一头小牛在点A处,它要到河边喝水。为了让小牛尽快地喝到水,请你设计一条从点A到河边最近的线路,并在图上画出来。(5分)</span><br><br><span style=" z-index:1; left:0px; "></span><img src="//www.szxuexiao.com/uploadimages/2012/1123/20121123114514.png?m=0.8698558495379984"><br><br><span>8.小明用40厘米的铁丝围成了一个平行四边形,其中一边长是8厘米,另外三条边分别是多少厘米?(6分)</span><br><br></div>