<div style="text-align: center;"><font color="#ff0000"><span style="font-family: 黑体;">小学科学三年级(上册)期末检测卷</span><span style="font-family: 黑体;">(2015.1)</span></font></div><br><div style="text-align: right;"><span style="font-family: 宋体;">成绩</span><span style="font-family: 宋体; text-decoration: underline;"> </span></div><br><span style="font-family: 黑体; ">一、我会填空。</span><span style="font-family: 黑体; "></span><br><br><span style="font-family: 宋体; ">1. 我们可以用眼睛</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">,耳朵听、手摸、鼻子</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">等方法来观察一棵树。</span><span style="font-family: 宋体; text-decoration: underline; "></span><br><br><span style="font-family: 宋体; ">2. 我知道</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">是水生植物,</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">是陆生植物。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">3. </span><span style="font-family: 宋体; ">要唤醒休眠的蜗牛,可以把它</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">。 </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">4. 蚂蚁用</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">交流信息,它的</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">部长着</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; "> 对足。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">5. </span><span style="font-family: 宋体; ">我们对陶片和瓷片进行了实验研究,发现吸水性比较好的是</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">。 </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">6. </span><span style="font-family: 宋体; ">把一滴水滴入一杯油中,过一会儿,这滴水会</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; text-decoration: underline; ">7. </span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">是专门用来测量液体的多少,也就是测量液体的体积的工具,它的单位是</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">8. </span><span style="font-family: 宋体; ">硬度较大的材料能在硬度较小材料的表面留下</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; "> ,例如</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">的的硬度很大。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 黑体; ">二、我会判断。</span><span style="font-family: 宋体; ">(对的打“√”,错的打“×”)</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">9. </span><span style="font-family: 宋体; ">树皮的表面都是光滑的</span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; ">------------------------------------- </span><span style="font-family: 宋体; ">( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">10. </span><span style="font-family: 宋体; ">在观察小动物时,我们可以把自己带去的食物给小动物们吃</span><span style="font-family: 宋体; ">。-----( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">11. 植物的叶在生长过程中,它的颜色是不改变的,而且总是绿色的。 ( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">12. 同一种材料可以制成不同的物体。----------------------------( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">13. 塑料在生活中使用很广泛,所以它是最好的材料</span><span style="font-family: 宋体; ">。 </span><span style="font-family: 宋体; ">-----------( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">14. </span><span style="font-family: 宋体; ">蜗牛的触角一对长一对短,眼睛长在短的那对触角上</span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; ">------------( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">15. 有几瓶不知名的液体,我们可以用尝的方法来判断</span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; ">---------------( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">16. </span><span style="font-family: 宋体; ">蚂蚁和苍蝇的身体虽然相差很大,但是它们也有相同点。</span><span style="font-family: 宋体; ">-----------( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">17. 吸水性从强到弱依次是:纸、木头、金属。------------------------ ( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">18. 人不能在水中呼吸,说明水中没有空气。------------------------( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 黑体; ">三、我会选择。</span><span style="font-family: 宋体; ">(将正确答案填在括号内)</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">19. 下列植物中属于木本植物的是( )。 </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A</span><span style="font-family: 宋体; ">.菊花 </span><span style="font-family: 宋体; ">B</span><span style="font-family: 宋体; ">.柳树 </span><span style="font-family: 宋体; ">C</span><span style="font-family: 宋体; ">.青菜</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">20.</span><span style="font-family: Arial; "> </span><span style="font-family: 宋体; ">下面哪一项不是木头的特性</span><span style="font-family: 宋体; ">( )。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">透明 B</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">有条纹</span><span style="font-family: 宋体; "> C</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">在水中漂浮</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">21.</span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; ">水葫芦能浮在水面的原因是</span><span style="font-family: 宋体; ">( </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; ">)。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A</span><span style="font-family: 宋体; ">.它很轻</span><span style="font-family: 宋体; "> </span><span style="font-family: ‘‘;"> </span><span style="font-family: 宋体;"> </span><span style="font-family: 宋体; ">B</span><span style="font-family: 宋体; ">.它的叶柄内有气囊</span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体;"> </span><span style="font-family: 宋体; ">C</span><span style="font-family: 宋体; ">.它是水生植物</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">22. 下列材料制成的实心物体放入水中,( )一定是沉在水底的。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A、木头 B、塑料 C、铁</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">23. 能回收利用的是( )。 </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">易拉罐 B</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">口香糖 C</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">苹果核</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">24. 和蜗牛属于同一类的动物是</span><span style="font-family: 宋体; ">( )</span><span style="font-family: 宋体; ">。 </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A.蚂蚁 B.田螺 C.蝗虫</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">25.</span><span style="font-family: Arial; "> </span><span style="font-family: 宋体; ">小红分别把水和食用油滴在蜡光纸上,哪个液滴是食用油</span><span style="font-family: Arial; ">( </span><span style="font-family: 宋体; "> </span><span style="font-family: Arial; "> </span><span style="font-family: 宋体; ">)</span><span style="font-family: 宋体; ">。</span><span style="font-family: Arial; "> </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A</span><span style="font-family: 宋体; ">.左边 B.右边 <img src="//www.szxuexiao.com/uploadimages/2015/0131/2015131144235.png?m=0.4308287431485951"> </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">26.</span><span style="font-family: 宋体; "> 秋天,我们可以观察到植物的变化有( </span><span style="font-family: 宋体; ">)</span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">树叶变得更绿了 </span><span style="font-family: 宋体; ">B</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">狗尾草枯黄了 </span><span style="font-family: 宋体; ">C</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">柳树发芽了</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">27.</span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; ">用塑料做电线主要利用了塑料的(</span><span style="font-family: ‘‘; "> </span><span style="font-family: 宋体; "> </span><span style="font-family: ‘‘; "> </span><span style="font-family: 宋体; ">)</span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">柔韧性</span><span style="font-family: ‘‘; "> </span><span style="font-family: 宋体; ">B</span><span style="font-family: 宋体; ">.</span><span style="font-family: ‘‘; "> </span><span style="font-family: 宋体; ">可塑性</span><span style="font-family: ‘‘; "> </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; ">C</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; "> 绝缘性</span><div><font face="宋体"><br></font><span style="font-family: 宋体; ">28.</span><span style="font-family: 宋体; "> 一个塑料可乐瓶的盖子,大约能盛水( )。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A.</span><span style="font-family: 宋体; ">5毫升 </span><span style="font-family: 宋体; ">B.</span><span style="font-family: 宋体; ">20毫升 </span><span style="font-family: 宋体; ">C.</span><span style="font-family: 宋体; ">100毫升</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">29. 下列材料不是人造材料的是( )。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A.</span><span style="font-family: 宋体; ">金属 </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; ">B.</span><span style="font-family: 宋体; ">木头 </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; ">C.</span><span style="font-family: 宋体; ">橡胶</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">30. </span><span style="font-family: 宋体; ">适合蚯蚓生活的环境是( )。 </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A.</span><span style="font-family: 宋体; ">水中 </span><span style="font-family: 宋体; ">B</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; ">干燥的土壤 </span><span style="font-family: 宋体; ">C.</span><span style="font-family: 宋体; "> 潮湿的土壤</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">31. </span><span style="font-family: 宋体; ">蜗牛爬过的地方( )。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A、会留下粘液 B、会留下脚印 C、什么也不会留下</span><br><br><span style="font-family: 宋体; ">32. </span><span style="font-family: 宋体; ">注射器抽进空气,堵住口,用力压活塞,观察活塞会(</span><span style="font-family: ‘‘; "> </span><span style="font-family: 宋体; ">)。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: ‘‘; ">A</span><span style="font-family: 宋体; ">、推不动</span><span style="font-family: ‘‘; "> </span><span style="font-family: ‘‘; ">B</span><span style="font-family: 宋体; ">、推到底</span><span style="font-family: ‘‘; "> </span><span style="font-family: 宋体; "> </span><span style="font-family: ‘‘; ">C</span><span style="font-family: 宋体; ">、推到一定程度推不动</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">33. </span><span style="font-family: 宋体; ">造纸术是我国古代(</span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; ">)发明的。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">A</span><span style="font-family: 宋体; ">、蔡伦 </span><span style="font-family: 宋体; ">B</span><span style="font-family: 宋体; ">、沈括 </span><span style="font-family: 宋体; ">C</span><span style="font-family: 宋体; ">、张衡</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 黑体; ">四、我会填图。</span><span style="font-family: 黑体; "></span><br><br><span style="font-family: 宋体; ">34.</span><span style="font-family: 宋体; "> 在图中标出蚯蚓的环带、口、肛门。</span><span style="font-family: 黑体; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0131/2015131144350.png?m=0.6446809463668615"><br><br><span style=" z-index:1; left:0px; "></span><span style="font-family: 宋体; ">3</span><span style="font-family: 宋体; ">5.</span><span style="font-family: 宋体; "></span><br><span style="font-family: 宋体; "><br><img src="//www.szxuexiao.com/uploadimages/2015/0131/2015131144458.png?m=0.6122665219008923"><br><br></span><div><span style="font-family: 宋体; ">把一些实心的物体投入到水中观察到如图所示的现象,请按照这三种材料在水中上浮能力的强弱</span><span style="font-family: 宋体; ">排序。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">( ) 〉( ) 〉( )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 黑体; ">五、我会连线。</span><span style="font-family: 宋体; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0131/2015131144627.png?m=0.7612359367776662"><br><br><span style=" z-index:1; left:0px; "></span><span style="font-family: 黑体; ">六、我会探究。</span><span style="font-family: 黑体; "></span><br><br><span style="font-family: 宋体; ">38. 东东在校园了捡到了一片落叶</span><span style="font-family: 黑体; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0131/2015131144741.png?m=0.5417876867577434"><br><br><span style="font-family: 宋体; ">(1)你觉得这片树叶是</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">形叶,它的叶缘是</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(2)</span><span style="font-family: 宋体; ">请你在括号内填出叶子的各部分名称。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(3)</span><span style="font-family: 宋体; ">如果东东想观察得更清楚些,他能借助什么工具?</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">39</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; "> 实验课上,李林设计了一个实验,见实验图。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">实验的名称是:</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; text-decoration: underline; "></span><br><br><span style="font-family: 宋体; ">这个实验的操作顺序是:</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; ">(写上序号顺序)</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(1)观察纸巾是湿的还是不湿;</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(2)把一团纸巾放在一个杯子的杯底;</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(3)将杯子竖直倒扣入水中。</span><span style="font-family: 宋体; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0131/2015131144913.png?m=0.6225956513080746"><br><br><span style="font-family: 宋体; ">观察到的实验结果是:</span><span style="font-family: 宋体; text-decoration: underline; "> </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">40</span><span style="font-family: 宋体; ">. </span><span style="font-family: 宋体; ">小明要比较水、牛奶、胶水的流动速度快慢。他是这样做实验的: </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">小明取了同样多的水、牛奶和胶水,将它们滴在同一片玻璃片上,并且放在相同的高度上。接着,他倾斜玻璃片,观察水、牛奶和胶水的流动情况。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(1)小明应该用什么装置取同样多的水、牛奶、胶水?请在装置前打“√”</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">( )滴管 ( )杯子 ( )放大镜 ( )玻璃片</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(2)小明在哪些方面让实验做到了公平?用“</span><span style="font-family: 宋体; ">﹏﹏</span><span style="font-family: 宋体; ">”标出。</span><span style="font-family: 宋体; text-decoration: underline; "></span><br><br><br><div style="text-align: center;"><font color="#38761d"><span style="font-family: 黑体;">小学科学三年级(上册)期末检测卷参考答案</span><span style="font-family: ‘‘;">201</span><span style="font-family: 宋体;">5</span><span style="font-family: ‘‘;">.</span><span style="font-family: 宋体;">1</span></font></div><br><strong><span style="font-family: ‘‘; ">一、</span><span style="font-family: 黑体; ">我会</span><span style="font-family: ‘‘; ">填空。</span><span style="font-family: ‘‘; ">(</span><span style="font-family: ‘‘; ">1</span><span style="font-family: 宋体; ">4</span><span style="font-family: ‘‘; ">分,每线</span><span style="font-family: ‘‘; ">1</span><span style="font-family: ‘‘; ">分。写错字意思不变扣</span><span style="font-family: ‘‘; ">0.5</span><span style="font-family: ‘‘; ">分,意思改变不得分)</span></strong><span style="font-family: ‘‘; "></span><br><br><span style="font-family: 宋体; ">1. 看、闻</span></div><div><span style="font-family: 宋体; "><br></span></div><div><span style="font-family: 宋体; ">2. 水葫芦、香樟树(其它对的也可以) </span><span style="font-family: 宋体; color: rgb(0, 0, 255); "></span><br><br><span style="font-family: 宋体; ">3. 放入水中</span></div><div><span style="font-family: 宋体; "><br></span></div><div><span style="font-family: 宋体; ">4. 触角、胸、三</span></div><div><span style="font-family: 宋体; "><br></span></div><div><span style="font-family: 宋体; ">5. 陶片</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">6. 沉入水底</span></div><div><span style="font-family: 宋体; "><br></span></div><div><span style="font-family: 宋体; ">7. 量筒 毫升</span></div><div><span style="font-family: 宋体; "><br></span></div><div><span style="font-family: 宋体; ">8. 划痕、金属(其他合理也可)</span><br><br><strong><span style="font-family: ‘‘; ">二、</span><span style="font-family: 黑体; ">我会</span><span style="font-family: ‘‘; ">判断。</span><span style="font-family: ‘‘; ">(共</span><span style="font-family: ‘‘; ">20</span><span style="font-family: ‘‘; ">分,每题</span><span style="font-family: ‘‘; ">2</span><span style="font-family: ‘‘; ">分)</span></strong></div><div><font face="宋体"><br></font>
<table width="100%" border="1"><tbody><tr><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><td><br>15<br></td><td><br>16<br></td><td><br>17<br></td><td><br>18<br></td></tr><tr><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 style="font-family: 黑体; ">三、我会选择题。</span><span style="font-family: 宋体; ">(共30分,每题2分)</span></strong></div><div><font face="宋体"><br></font>
<table width="100%" border="1"><tbody><tr><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><td><br>25<br></td><td><br>26<br></td><td><br>27<br></td><td><br>28<br></td><td><br>29<br></td><td><br>30<br></td><td><br>31<br></td><td><br>32<br></td><td><br>33<br></td></tr><tr><td><br>B <br></td><td><br>A<br></td><td><br>B<br></td><td><br>C <br></td><td><br>A<br></td><td><br>B<br></td><td><br>A<br></td><td><br>B<br></td><td><br> C<br></td><td><br>A<br></td><td><br>B<br></td><td><br>C<br></td><td><br>A<br></td><td><br>C<br></td><td><br>A<br></td></tr></tbody></table>
<br><span style="font-family: 黑体; "><strong>四、我会填图(共6分,每空1分)</strong></span><span style="font-family: 黑体; "></span><br><br><span style="font-family: 宋体; ">34、从左到右为:口、环带、肛门</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">35、( C ) 〉( B ) 〉( A )</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 黑体; ">五、我会连线(共9分,每线1分)</span><span style="font-family: 黑体; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0131/2015131145216.png?m=0.17073039570823312"><br><br><span style="font-family: 黑体; ">六、我会探究。(共21分,38题6分,39题7分,40题8分)</span><span style="font-family: 黑体; "></span><br><br><span style="font-family: 宋体; ">38.东东在校园了捡到了一片落叶</span><span style="font-family: 黑体; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0131/2015131145338.png?m=0.554043014999479"><br><br><span style="font-family: 宋体; ">(1)你觉得这片树叶是</span><span style="font-family: 宋体; text-decoration: underline; "> 卵 </span><span style="font-family: 宋体; ">形叶,它的叶缘是</span><span style="font-family: 宋体; text-decoration: underline; "> 光滑的 </span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; "> </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(2)如果东东想观察得更清楚些,他能借助什么工具?</span><span style="font-family: 宋体; text-decoration: underline; "> 放大镜 </span><span style="font-family: 宋体; ">。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">39</span><span style="font-family: 宋体; ">.</span><span style="font-family: 宋体; "> (实验名称、实验结果各2分,只要表达清楚即可,顺序3分)</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">这个实验的操作顺序是:</span><span style="font-family: 宋体; text-decoration: underline; "> 2 3 1 </span><span style="font-family: 宋体; ">(写上序号顺序)</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">40.</span><span style="font-family: 宋体; "> 明明要比较水、牛奶、胶水的流动速度快慢。他是这样做实验的: </span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">明明取了</span><span style="font-family: 宋体; text-decoration: underline; ">同样多的水、牛奶和胶水</span><span style="font-family: 宋体; ">,将它们滴在</span><span style="font-family: 宋体; text-decoration: underline; ">同一片玻璃片</span><span style="font-family: 宋体; ">上,并且</span><span style="font-family: 宋体; text-decoration: underline; ">放在相同的高度上</span><span style="font-family: 宋体; ">。接着,他倾斜玻璃片,观察水、牛奶和胶水的流动情况。</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(1)小明应该用什么装置取同样多的水、牛奶、胶水?请在装置前打“√”</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">( √ )滴管 ( )杯子 ( )放大镜 ( √ )玻璃片</span><span style="font-family: 宋体; "></span><br><br><span style="font-family: 宋体; ">(2)小明在哪些方面让实验做到了公平?用“</span><span style="font-family: 宋体; ">﹏﹏</span><span style="font-family: 宋体; ">”标出。</span><span style="font-family: 宋体; "></span><br><br></div></div>
三年级上