2013-2014学年教科版小学三年级科学下学期期中复习题

<div style="text-align: center;"><strong><font color="#ff0000"><span style="font-family: 楷体;">2013—2014学年小学</span><span style="font-family: 华文行楷;">三年级科学</span><span style="font-family: 楷体;">第二</span><span style="font-family: 华文行楷;">学期</span><span style="font-family: 华文行楷;">期中复习题</span></font></strong></div><br><div style="text-align: center;"><span style="font-family: 华文行楷;">班级:</span><span style="text-decoration: underline; font-family: 华文行楷;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="font-family: 华文行楷;">姓名:</span><span style="text-decoration: underline; font-family: 华文行楷;">&nbsp; &nbsp; &nbsp; &nbsp;</span></div><div><br></div><br><span style=" font-family: 宋体;"><strong>一、我会选择:(把你认为正确答案的序号填在括号里,每题2分,20分)&nbsp;</strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">1、我们熟悉的绿色开花植物几乎都是从(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)开始它们新的生命的。</span><br><br><span style=" font-family: 宋体;">A、根&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、茎&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、叶&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、种子</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">2、可以制造植物生长所需要的养料的是植物的(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">A、根&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、茎&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、叶&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、花&nbsp;</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">3、蚕的生命周期大约为(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">A、20天&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、56天&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、78天&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、90天</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">4、蚕宝宝一生要脱(&nbsp;&nbsp;&nbsp;)皮。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">A、3次&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、4次&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、5次</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">5、下列各种工具可以帮助把凤仙花的种子看得更加清楚的是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span style=" font-family: 宋体;">A、放大镜&nbsp;&nbsp;&nbsp;&nbsp;B、小刀&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、绳子&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、尺子</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">6、凤仙花适宜生活的环境是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">A、黑暗湿润&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、黑暗干燥&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、向阳干燥&nbsp;&nbsp;&nbsp;&nbsp;D、向阳湿润</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">7、蝗虫、乌龟、金鱼和家兔四种动物中有一种动物的生殖方式</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">与其他动物不同,这种动物是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">A、蝗虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、乌龟&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、家兔&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、金鱼</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">8、夏天,在庭院里的器皿中经常有一些雨水,如果时间长了,</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">里面有一些上下翻动的小虫,它们是蚊子的(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">A、卵&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、幼虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、蛹&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、成虫</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">9、几位同学在往花盆里播种凤仙花种子,准备好花盆和土,把一小块石头放在花盆的出水孔上,然后装进细土。这样做是为了(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span style=" font-family: 宋体;">A、使凤仙花的种子发芽更快&nbsp;&nbsp;&nbsp;&nbsp;B、使凤仙花的种子容易呼吸空气</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">C、防止花盆内积水使凤仙花的种子腐烂&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、增强土壤的肥力</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">10、凤仙花的果实是由(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)发育而成的。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">A、花瓣&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、雌蕊&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、雄蕊&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、萼片</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;"><strong>二、我会判断:(对的在括号里打“√”,错的打“×”每题1.5分,共15分)</strong></span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">1、绿色植物中的叶绿体能够利用光把二氧化碳和水转化成养</span><span style="font-family: 宋体;">料,并释放出氧气来。 &nbsp; &nbsp;(&nbsp;&nbsp;&nbsp;)</span><br><br><span style=" font-family: 宋体;">2、植物都是用根来繁殖后代的。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">3、不同植物的种子,它们的颜色各不相同。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">4、种子萌发时最先长出茎。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">5、蚕不属于昆虫。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">6、人和动物一样也具有生命周期。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">7、蚕的生命是从幼虫开始的。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">8、蚕蛹没有生命。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">9、蚁蚕吃的桑叶要切成碎片或条状。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;( &nbsp;)</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">10、蚕蜕皮是为了长大,就像衣服小了,换大衣服一样。( &nbsp;)</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;"><strong>三、我会填:(每个空1分,共32分)</strong></span><br><br><span style=" font-family: 宋体;">1、植物在它们的生命过程中都要经历</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">直至</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">的过程。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">2、不同植物的种子,它们的</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">等各不相同。</span><span style="color: rgb(255, 255, 255); font-family: ‘Times New Roman‘;">w&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;W&nbsp;&nbsp;w&nbsp;&nbsp;&nbsp;.X&nbsp;k&nbsp;b&nbsp;1.&nbsp;c&nbsp;O&nbsp;m</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">3、植物的叶子依靠</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">来制造养料,进行光合作用时,需要</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">,最后释放出人们所需要的</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">,所以人们喜欢在室内养花,改善空气。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">4、种子萌发先长</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、再长</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">;植物的</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">根总是向</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">生长的,根的生长速度</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">5、昆虫的特征是:身体分为</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">三部</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">分、头上有一对</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">,胸部有三对</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">&nbsp;,</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">对翅膀。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">6、蚕的一生经历了</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">四种形态。</span><span style="color: rgb(255, 255, 255); font-family: ‘Times New Roman‘;">X|k&nbsp;&nbsp;|&nbsp;B|&nbsp;&nbsp;1&nbsp;.&nbsp;&nbsp;&nbsp;c|O&nbsp;&nbsp;|m</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">7、动物都有生命周期,都要经历</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">、</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">四个阶段。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;"><strong>四、我会回答:(每道小题3分,共12分)</strong></span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">1、在做研究的植物根的作用的实验时,你观察到试管中的水量有什么变化吗?说明了什么?</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">2、说一说在花盆里种植凤仙花的方法步骤?</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" z-index:-1; left:0px; "></span><span style=" z-index:-1; left:0px; "></span><span style=" font-family: 宋体;">3、认识温度</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0423/2014423113312.jpg?m=0.8843886579852551"><br><br><span style=" font-family: 宋体;">4、你知道影响蚕生存的因素有哪些吗?</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;"><strong>五、按要求分类:(每写对一个得1分,共16分)</strong></span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">1、将下列动物按卵生动物和胎生动物分类。</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">羊&nbsp;&nbsp;蜻蜓&nbsp;&nbsp;人&nbsp;&nbsp;蝴蝶&nbsp;&nbsp;熊猫&nbsp;&nbsp;鸡&nbsp;&nbsp;狗&nbsp;&nbsp;&nbsp;鲫鱼&nbsp;&nbsp;苍蝇</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">卵生:</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="text-decoration: underline; font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">胎生:</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">2、将下列动物按是否变态分类</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">蜻蜓&nbsp;&nbsp;&nbsp;鸡&nbsp;&nbsp;&nbsp;蚊子&nbsp;&nbsp;猫&nbsp;&nbsp;&nbsp;青蛙&nbsp;&nbsp;&nbsp;苍蝇&nbsp;&nbsp;&nbsp;鱼</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">变&nbsp;态:</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="text-decoration: underline; font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">不变态:</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="text-decoration: underline; font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;"><strong>六、我会连线:(每连对一个的1分,共5分)</strong></span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">半岁的妹妹 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 青&nbsp;&nbsp;年</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">&nbsp;&nbsp;10岁的我 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 中&nbsp;&nbsp;年</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">42岁的妈妈&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;老&nbsp;&nbsp;年</span><span style="color: rgb(255, 255, 255); font-family: ‘Times New Roman‘;">//w&nbsp;w&nbsp;w.xk&nbsp;b1.&nbsp;com</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">30岁的叔叔&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;婴&nbsp;&nbsp;儿</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br><span style=" font-family: 宋体;">65岁的爷爷&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;少&nbsp;&nbsp;年</span><span style=" font-family: 宋体;"><o:p></o:p></span><br><br>