<div style="text-align: center;"><font color="#ff0000"><span style="font-weight: bold;">2014</span><span style="font-weight: bold;">-</span><span style="font-weight: bold;">2015</span><span style="font-weight: bold;">学年第二学期</span></font></div><div style="text-align: center;"><font color="#ff0000"><br></font></div><span style="font-weight:bold; "><div style="text-align: center;"><font color="#ff0000">深圳市罗湖区小学科学四年级抽样性质量检测试卷</font></div></span><br><div style="text-align: center;">(满分:100分 考试时间:40分钟)</div><div style="text-align: center;"><br></div><span><div style="text-align: center;">命题人:周湘 审题人:钟秋媚</div></span><br><strong><span>一、选择题(每小题</span><span>2</span><span>分,共</span><span>28</span><span>分)</span></strong><span></span><br><br><span>1. </span><span>下列借助风力传播种子的植物是(</span><span> </span><span>)。</span><span></span><br><br><span>A.</span><span>莲蓬和蒲公英</span><span> B.</span><span>番茄和蓟</span><span> C.</span><span>蓟和蒲公英</span><span></span><br><br><span>2</span><span>、蚕豆种子结构中长大成茎和叶的是(</span><span> </span><span>)。</span><span></span><br><span><br></span><div><span>A.</span><span>种皮</span><span> B.</span><span>胚芽</span><span> C.</span><span>胚根</span><span></span><br><br><span>3</span><span>、</span><span>下列属于卵生动物的是(</span><span> </span><span>)。</span><span></span><br><br><span>A.</span><span>蜻蜓</span><span> B.</span><span>老鼠</span><span> C.</span><span>熊猫</span><span> </span><span></span><br><br><span>4</span><span>、下面属于静电现象的是(</span><span> </span><span>)。</span><span></span><br><br><span>A.</span><span>干电池使灯泡放光</span></div><div><span><br></span></div><div><span>B.</span><span>用手触摸棉被有触电的感觉</span><span> </span><span></span><br><br><span>C.</span><span>通电后电视机播放节目</span><span></span><br><br><span style=" z-index:1; left:0px; "></span><span style=" z-index:1; left:0px; "></span><span>5</span><span>、下面对两个电路的灯泡连接方式的说法中,正确的是(</span><span> </span><span>)。</span><span></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0706/2015769323.png?m=0.620222614146769"><br><br><span>A.</span><span>甲是串联,乙是并联</span></div><div><span><br></span></div><div><span>B.</span><span>甲乙都是串联</span></div><div><span><br></span></div><div><span>C.</span><span>甲是并联,乙是串联</span><span></span><br><br><span>6</span><span>、下列做法最可行的是(</span><span> </span><span>)。</span><span></span><br><br><span>A.</span><span>遇到电器着火,要用手去拔插头。</span></div><div><span><br></span></div><div><span>B.</span><span>遇到雷电的时候可以到大树下避雨。</span><span></span><br><br><span>C.</span><span>当发现有人触电时,迅速地切断电源或用绝缘体挑开电线。</span><span></span><br><br><span>7</span><span>、食物在白纸上擦一擦,压一压,会留有油迹,说明该食物含有较多(</span><span> </span><span>)。</span><span></span><br><br><span>A.</span><span>蛋白质</span><span> B.</span><span>糖类</span><span> C.</span><span>脂肪</span><span></span><br><br><span>8</span><span>、关于均衡膳食“宝塔”,以下说法正确是(</span><span> </span><span>)</span><span></span><br><br><span>A</span><span>、“宝塔”各层的面积和食物在“宝塔”中的比重相同。</span><span></span><br><br><span>B</span><span>、“宝塔”最底层面积最大,食物比重最多,应该多吃。</span><span></span><br><br><span>C</span><span>、“宝塔”</span><span> </span><span>最底层面积最小,食物比重最小,应该少吃。</span><span></span><br><br><span>9</span><span>、下列属于岩石的是(</span><span> </span><span>)。</span><span></span><br><br><span>A.</span><span>红砖头</span><span> B.</span><span>水泥块</span><span> C.</span><span>沙漠中的石蘑菇</span><span></span><br><br><span>10</span><span>、把矿物的边缘放在一块无釉的白色瓷板上摩擦后再观看,这是观察研究矿物的(</span><span> </span><span>)</span><span></span><br><span><br></span></div><div><span>A.</span><span>软硬</span><span> B.</span><span>条痕</span><span> C.</span><span>光泽</span><span></span><br><br><span>11</span><span>、地质学家在鉴别矿物时首先要(</span><span> </span><span>)</span><span></span><br><br><span>A.</span><span>野外观察</span><span> B.</span><span>用显微镜观察</span><span> C.</span><span>对照资料、图鉴</span><span></span><br><br><span>12</span><span>、下列说法正确的是(</span><span> </span><span>)</span><span></span><br><br><span>A.</span><span>岩石和矿物在自然界中是不变的。</span><span></span><br><br><span>B.</span><span>岩石和矿物是取之不尽,用之不竭的。</span><span> </span><span></span><br><br><span>C.</span><span>矿产资源属于国家,任何组织和个人不得私自开采。</span><span></span><br><br><span>13</span><span>、</span><span>关于食品保质期长短,下列说法错误的是(</span><span> </span><span>)</span><span></span><br><br><span>A.</span><span>与食品本身的特点、配料有关系</span><span> </span><span></span><br><br><span>B.</span><span>与食用方法有关系</span><span> </span><span></span><br><br><span>C.</span><span>与包装方法、保存方法有关系</span><span></span><br><br><span>14</span><span>、下列现象中,不是利用绝缘性能的是(</span><span> </span><span>)</span><span></span><br><br><span>A.</span><span>电线的外皮用塑料或橡胶来做</span><span> </span><span></span><br><br><span>B.</span><span>电线的芯线用金属来做</span><span> </span><span></span><br><br><span>C.</span><span>插座的外壳都是用硬质塑料制成的</span><span></span><br><br><strong><span>二、判断题</span><span>(每题</span><span>2</span><span>分,共</span><span>20</span><span>分)</span></strong><span></span><br><br><span>(</span><span> </span><span>)</span><span>1</span><span>、食品的保质期越长,就说明这种食品越好。。</span><span></span><br><br><span>(</span><span> </span><span>)</span><span>2</span><span>、矿物中硬度最大的是金刚石,硬度最小的是石墨。</span><span></span><br><br><span>(</span><span> </span><span>)</span><span>3</span><span>、平时我们感觉不到物体带电,是因为物体中的正负电荷相等。</span><span></span><br><br><span>(</span><span> </span><span>)</span><span>4</span><span>、用放大镜观察鸡蛋,可以发现鸡蛋的表面光滑,但是有一些小孔。</span><span></span><br><br><span>(</span><span> </span><span>)</span><span>5</span><span>、在一个电路里同时点亮两盏小灯泡,两个小灯泡串联比并联更亮。</span><span></span><br><br><span>(</span><span> </span><span>)</span><span>6</span><span>、</span><span>种子的萌发必须要有水分。</span><span></span><br><br><span>(</span><span> </span><span>)</span><span>7</span><span>、电路检测器只能检测灯泡亮不亮,不能检测导线有没有问题。</span><span></span><br><br><span>(</span><span> </span><span>)</span><span>8</span><span>、灯泡的灯丝断了,电路就处于断路状态。</span><span></span><br><br><span>(</span><span> </span><span>)</span><span>9</span><span>、人类也是用胎生、哺乳的方式来生育和哺乳后代的。</span><span></span><br><br><span>(</span><span> </span><span>)</span><span>10</span><span>、</span><span>我们的各种家用电器一般使用的是串联电路。</span><span></span><br><br><strong><span>三、连线题。(共</span><span>12</span><span>分)</span></strong><span></span><br><br><span>1</span><span>.将下列的食物与相对应的营养和作用连线。(</span><span>6</span><span>分)</span><span></span><br><br><span>青菜</span><span> </span><span>丰富的糖类</span><span> </span><span>提供我们活动的能量</span><span></span><br><br><span>馒头</span><span> </span><span>丰富的蛋白质</span><span> </span><span>调节身体的机能</span><span></span><br><br><span>鸡蛋</span><span> </span><span>丰富的维生素</span><span> </span><span>长身体的材料</span><br><br><span>2.</span><span>将下列岩石和对应的特征用线连起来(</span><span>6</span><span>分)</span><span></span><br><span><br></span></div><div><span>花岗岩</span><span> </span><span>青灰色,与盐酸冒泡</span><span></span><br><br><span>砾</span><span> </span><span>岩</span><span> </span><span>易分离成层,敲击有声音</span><span></span><br><br><span>石灰岩</span><span> </span><span>有美丽条纹,与盐酸冒泡</span><span></span><br><br><span>页</span><span> </span><span>岩</span><span> </span><span>花斑状,很坚硬</span><span></span><br><br><span>板</span><span> </span><span>岩</span><span> </span><span>混凝土状,粗糙</span><span> </span><span></span><br><br><span>大理岩</span><span> </span><span>较软,薄层状,常有化石</span><span></span><br><br><strong><span>四、实验探究题。(共</span><span>40</span><span>分)</span></strong><span></span><br><br><span>1</span><span>、(</span><span>10</span><span>分)如图是花的结构模式图,请据图回答问</span></div><div><br></div><div><span></span><img src="//www.szxuexiao.com/uploadimages/2015/0706/20157694149.png?m=0.4374708840623498"><br><br><span style=" z-index:1; left:0px; "></span><span>(</span><span>1</span><span>)花的雌蕊由①</span><span style="text-decoration:underline; text-underline:single; "> </span><span>、②花柱</span><span>和③</span><span style="text-decoration:underline; text-underline:single; "> </span><span>构成,图中④</span><span style="text-decoration:underline; text-underline:single; "> </span><span>,</span><span>它包括花药和花丝两部分。</span><span></span><br><br><span>(</span><span>2</span><span>)花药中的花粉传到①上,花受粉后③发</span><span>育成</span><span style="text-decoration:underline; text-underline:single; "> </span><span>,其中的胚珠发育</span><span style="text-decoration:underline; text-underline:single; "> </span><span>。</span><span> </span><span></span><br><br><span>2</span><span>、电路实验。(共</span><span>10</span><span>分)</span><span></span><br><br><span>(</span><span>1</span><span>)图</span><span>1</span><span>有一个电池和一只小灯泡,为了让小灯泡亮起来,请在图</span><span>2</span><span>的方框内画出它的简单电路图。</span><span>(2</span><span>分</span><span>) </span><span></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0706/20157694252.png?m=0.3866844018921256"><br><br><span>(</span><span>2</span><span>)如果你连接的灯泡没有亮,你觉得可能是哪些原因?应如何去解决?请写在下表栏内。</span><span>(</span><span>每空</span><span>2</span><span>分,共</span><span>8</span><span>分</span><span>)</span></div><div><span></span><br>
<table width="100%" border="1"><tbody><tr><td><br>不 亮 原 因<br></td><td><br>解 决 方 法<br></td></tr><tr><td><br> <br></td><td><br> <br></td></tr><tr><td><br> <br></td><td><br> <br></td></tr></tbody></table>
<br><span>3</span><span>、(</span><span>12</span><span>分)小杰准备做“探究不同条件下面包发霉情况”的实验,他分别设计了</span><span>3</span><span>组不同条件实验,如下图所示。</span><span></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0706/20157694340.png?m=0.8882427688222378"><br><br><span>(</span><span>1</span><span>)小杰要研究面包发霉与温度是否有关,他应选择上图中的</span><span style="text-decoration:underline; text-underline:single; "> </span><span>和</span><span></span><br><br><span style="text-decoration:underline; text-underline:single; "> </span><span>做实验,</span><span> </span><span>像这样只改变一个条件,其它条件不变的实验方法叫做</span><span style="text-decoration:underline; text-underline:single; "> </span><span>实验。</span><span></span><br><br><span>(</span><span>2</span><span>)面包发霉是因为在它的上面生长了一种微生物叫</span><span style="text-decoration:underline; text-underline:single; "> </span><span>。</span><span></span><br><br><span>(</span><span>3</span><span>)小杰如果想检验面包中是否含淀粉这种营养成分,他可以在面包上滴加</span><span> </span><span style="text-decoration:underline; text-underline:single; "> </span><span>,看是否变成</span><span style="text-decoration:underline; text-underline:single; "> </span><span> </span><span>色。</span><span></span><br><br><span>4</span><span>、</span><span>小明对一块岩石观察后的记录如下:</span><span style=" font-weight:bold; ">(</span><span style=" font-weight:bold; ">8</span><span style=" font-weight:bold; ">分)</span><span style=" font-weight:bold; "></span><br><br><span>岩石外形为长方体,用眼观察发现花斑状花纹,不透明,由黑、白、肉红等颜色的颗粒组成,用手摸感觉粗糙且颗粒较粗;闻上去没有气味;用小铁棍轻轻敲打会发出低沉的声音;用指甲、铜钥匙、铁钉都不能划出痕迹;用放大镜没有看到岩石里有空隙;放入水中没有冒出小气泡。</span><br><br><span>分析观察记录,我认为这块岩石是</span><span>____________</span><span>。组成该岩石的黑色颗粒是</span><span style=" text-decoration:underline; text-underline:single; "> </span><span>,</span><span> </span><span>白色颗粒是</span><span style=" text-decoration:underline; text-underline:single; "> </span><span>,肉红色颗粒是</span><span style=" text-decoration:underline; text-underline:single; "> </span><span>。</span><span style="font-weight:bold; "> </span><span style="font-weight:bold; "> </span><span style=" Tahoma; "></span><br><span style="font-weight:bold; "> </span><span style="font-weight:bold; "></span><br><br><div style="text-align: center;"><font color="#38761d"><span style="font-weight: bold;">2014</span><span style="font-weight: bold;">-</span><span style="font-weight: bold;">2015</span><span style="font-weight: bold;">学年第二学期</span></font></div><div style="text-align: center;"><font color="#38761d"><br></font></div><span style="font-weight:bold; "><div style="text-align: center;"><font color="#38761d">罗湖区小学科学四年级抽样性质量检测试卷参考答案及评分标准</font></div></span><br><strong><span>一、选择题(每题</span><span>2</span><span>分,共</span><span>28</span><span>分)</span></strong></div><div><span></span><br>
<table width="100%" border="1"><tbody><tr><td><br>题号<br></td><td><br>1<br></td><td><br>2<br></td><td><br>3<br></td><td><br>4<br></td><td><br>5<br></td><td><br>6<br></td><td><br>7<br></td><td><br>8<br></td><td><br>9<br></td><td><br>10<br></td><td><br>11<br></td><td><br>12<br></td><td><br>13<br></td><td><br>14<br></td></tr><tr><td><br>答案<br></td><td><br>C<br></td><td><br>B<br></td><td><br>A<br></td><td><br>B<br></td><td><br>A<br></td><td><br>C<br></td><td><br>C<br></td><td><br>B<br></td><td><br>C<br></td><td><br>B<br></td><td><br>A<br></td><td><br>C<br></td><td><br>B<br></td><td><br>B<br></td></tr></tbody></table>
<br><strong><span>二、判断题(每题</span><span>2</span><span>分,共</span><span>20</span><span>分)</span></strong></div><div><span></span><br>
<table width="100%" border="1"><tbody><tr><td><br>题号<br></td><td><br>15<br></td><td><br>16<br></td><td><br>17<br></td><td><br>18<br></td><td><br>19<br></td><td><br>20<br></td><td><br>21<br></td><td><br>22<br></td><td><br>23<br></td><td><br>24<br></td></tr><tr><td><br>答案<br></td><td><br>×<br></td><td><br>√<br></td><td><br>√<br></td><td><br>×<br></td><td><br>×<br></td><td><br>√<br></td><td><br>×<br></td><td><br>√<br></td><td><br>√<br></td><td><br>×<br></td></tr></tbody></table>
<br><strong><span>三</span><span>、</span><span>连线题(每连对一线得</span><span>1</span><span>分,共</span><span>12</span><span>分)</span></strong><span></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0706/20157694538.png?m=0.615844149608165"><br><br><strong><span>四、实验探究题。(共</span><span>40</span><span>分)</span></strong><span></span><br><br><span>1</span><span>、(每空</span><span>2</span><span>分,共</span><span>10</span><span>分)</span><span></span><br><br><span>(</span><span>1</span><span>)柱头</span><span> </span><span>子房</span><span> </span><span>雄蕊</span><span> </span><span>(</span><span>2</span><span>)果实</span><span> </span><span>种子</span><span><br></span><span></span><br><br><span>2</span><span>、(共</span><span>10</span><span>分)</span><span></span><br><br><span>(</span><span>1</span><span>)画对得</span><span>2</span><span>分</span><span></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0706/20157694633.png?m=0.1453822620678693"><br><br><span>(</span><span>2</span><span>)任意填下面两栏均可,每空</span><span>2</span><span>分,共</span><span>8</span><span>分</span></div><div><span></span><br>
<table width="100%" border="1"><tbody><tr><td><br>不 亮 原 因<br></td><td><br>解 决 方 法<br></td></tr><tr><td><br>灯泡坏了(灯丝断了)<br></td><td><br>更换灯泡<br></td></tr><tr><td><br>导线连接松了<br></td><td><br>重新连接导线<br></td></tr><tr><td><br>导线坏了<br></td><td><br>更换导线<br></td></tr><tr><td><br>电池没电<br></td><td><br>更换电池<br></td></tr><tr><td><br>电池在电池盒里与金属接片接触不良<br></td><td><br>重新安装电池<br></td></tr></tbody></table>
<br><span>3</span><span>、(每空</span><span>2</span><span>分,共</span><span>12</span><span>分)</span><span></span><br><br><span style=" ‘‘; ">(1)</span><span>A B</span><span>(顺序反过来也对) 对比(或对照)</span><span> </span><span></span><br><br><span>(</span><span>2</span><span>)</span><span>霉菌</span><span> </span><span>(</span><span>3</span><span>)碘酒(或碘液) 蓝</span><br><br><span>4</span><span>、</span><span>(每空</span><span>2</span><span>分,共</span><span>8</span><span>分)</span><span></span><br><br><span>花岗岩</span><span> </span><span>云母</span><span> </span><span>石英</span><span> </span><span>长石</span><br><br></div>
四年级下