2014-2015学年小学四年级科学上学期期末考试试卷

<div style="text-align: center;"><font color="#ff0000">2014-2015学年小学四年级科学上学期期末考试试卷</font></div><br><span style=" font-family: 宋体;">一、</span><span style=" font-family: 宋体;">填空题。(</span><span style=" font-family: ‘‘;">40</span><span style=" font-family: 宋体;">分</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;</span><span style=" font-family: 宋体;">每空</span><span style=" font-family: ‘‘;">2</span><span style=" font-family: 宋体;">分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、气象学家在对云进行描述时还通常把它们分成三类:(&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;"></span><br><br><span style=" font-family: 宋体;">2、耳分为(&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;"></span><br><br><span style=" font-family: 宋体;">3、声音以(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)的形式传播,当(&nbsp;&nbsp;&nbsp;&nbsp;)遇到物体时,会使物体产生(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">4、当我们跳动或深蹲的时候,(&nbsp;&nbsp;&nbsp;&nbsp;)、(&nbsp;&nbsp;&nbsp;&nbsp;)和(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">都参与了运动,发生了变化。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5、运动后,我们每分钟(&nbsp;&nbsp;&nbsp;&nbsp;)和(&nbsp;&nbsp;&nbsp;)的次数都会增加。</span><br><br><span style=" font-family: 宋体;">6、</span><span style=" font-family: 宋体;">水</span><span style=" font-family: ‘‘;">中的</span><span style=" font-family: 宋体;">动物和植物是靠溶解在水中的</span><span style=" font-family: ‘‘;">(&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;">进行呼吸的。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">7、</span><span style=" font-family: 宋体;">观察天气应该在每天的</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</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: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</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;">8、在</span><span style=" font-family: 宋体;">100毫升</span><span style=" font-family: 宋体;">水中食盐溶解的量是有限度的,大约是(&nbsp;&nbsp;&nbsp;)克。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">9、</span><span style=" font-family: 宋体;">溶解在水里的食盐可以用(</span><span style=" font-family: Verdana;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)的方法进行分离。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">10、</span><span style=" font-family: 宋体;">食盐溶解于水的变化过程是一种(</span><span style=" font-family: Verdana;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)的过程。</span><span style=" font-family: Verdana;"></span><br><br><span style=" font-family: 宋体;">二、判断题:(正确的打“∨”,错误的打“×”。每小题</span><span style=" font-family: ‘‘;">2</span><span style=" font-family: 宋体;">分,共</span><span style=" font-family: ‘‘;">20</span><span style=" font-family: 宋体;">分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">1</span><span style=" font-family: 宋体;">、从东南方吹向西北方的是西北风。</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><br><br><span style=" font-family: ‘‘;">2</span><span style=" font-family: 宋体;">、靠近地球表面形成的扁平层状云就是积云。(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">3</span><span style=" font-family: 宋体;">、气象学家常把风速分成</span><span style=" font-family: ‘‘;">12</span><span style=" font-family: 宋体;">个等级。</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">4</span><span style=" font-family: 宋体;">、晴天的时候,天空中是没有云的。</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: ‘‘;"></span><br><br><span style=" font-family: ‘‘;">5</span><span style=" font-family: 宋体;">、风向标的箭头指向北就是北风。</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: ‘‘;"></span><br><br><span style=" font-family: ‘‘;">6</span><span style=" font-family: 宋体;">、所有液体都可以溶解在水中。</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">7</span><span style=" font-family: 宋体;">、石棉网的作用是让物体加热的更快。</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">8</span><span style=" font-family: 宋体;">、嘈杂刺耳的声音都属于噪音。</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">9</span><span style=" font-family: 宋体;">、物体发出声音的大小是可以控制的。</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: 宋体;">  </span><span style=" font-family: ‘‘;">&nbsp;</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;">人体在运动过程中要消耗大量氧气,所以呼吸次数会增加。(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">三、选择题:&nbsp;(20分&nbsp;&nbsp;&nbsp;每题2分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">1</span><span style=" font-family: 宋体;">、我们可以用(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)的方法,把食盐从盐水中分离出来</span><br><br><span style=" font-family: 宋体;">A、过滤&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、沉淀&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、蒸发</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)放入水中后,会漂浮在水面上。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、胶水&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、酒精&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、食用油</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">3、用击打过的音叉轻轻接触水面,水面(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、没有变化&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、产生波纹&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、迅速上升</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">4、在记录风力的时候,数字“0”表示(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、无风&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、微风&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、大风</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5、“天有城堡云,地上雷雨临”,这句谚语中的“城堡云”就是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、积云&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、层云&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、卷云</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">6、气体(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)溶解在水中。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、能&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、不能&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、不一定能</span><br><br><span style=" font-family: 宋体;">7、观测风向用(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、雨量器&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、风向标&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、温度计</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">8</span><span style=" font-family: 宋体;">、降雨量的单位是</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、厘米&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、毫米&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、毫升&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">9</span><span style=" font-family: 宋体;">、气象学家通常把风速分为</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: 宋体;">(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: 宋体;">个等级。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、11&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、12&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、13</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">10</span><span style=" font-family: 宋体;">、人在运动时,呼吸次数增加的原因是(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: 宋体;">。</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、心跳加快&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、耗氧量增大&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、人体紧张</span><br><br><span style=" font-family: 宋体;">四、答出酒精灯的构造。(5分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">五、简答题:(每个小题5分,共10分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、人们常说的“细嚼慢咽”是什么道理?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、青少年为什么要尽量少喝纯净水?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">六、描述出风向的八个方位。(可以用图示或文字)(5分)</span><br><br><br><div style="text-align: center;"><font color="#38761d">2014-2015学年小学四年级科学上学期期末考试试卷(二)</font></div><br><span style=" font-family: ‘‘;">一、</span><span style=" font-family: 宋体;">填空题。(</span><span style=" font-family: ‘‘;">30</span><span style=" font-family: 宋体;">分</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;</span><span style=" font-family: 宋体;">每空</span><span style=" font-family: ‘‘;">1</span><span style=" font-family: 宋体;">分)</span><br><br><span style=" font-family: ‘‘;">1</span><span style=" font-family: 宋体;">、溶解是指物质在水中变成肉眼看不见的微粒</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: 宋体;">,(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)的分布在水中,不能用(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)或</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: 宋体;">沉降的方法分离。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">2</span><span style=" font-family: 宋体;">、音叉是一种(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)仪器,用来调试乐器和测试(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)。</span><span style=" font-family: ‘‘;">3</span><span style=" font-family: 宋体;">、风向是指风(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)的方向。风向可以用(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)来测量。、风向标的箭头指向风(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)的方向。</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">4</span><span style=" font-family: 宋体;">、(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)、(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)、(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)、医院等公共环境中,要控制自己说话的声音。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">5</span><span style=" font-family: 宋体;">、人体的呼吸器官有(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)、(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)、(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)、(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)和肺。</span><div><span style=" font-family: ‘‘;"><br></span></div><div><span style=" font-family: ‘‘;">6</span><span style=" font-family: 宋体;">、声音的强弱可以用(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)来描述,它的单位是(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)。声音的高低可以用(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)来描述,它的单位是(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">7</span><span style=" font-family: 宋体;">、降水的形式很多,常见的有(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)、(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)、(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)等。</span><span style=" font-family: ‘‘;">&nbsp;</span><span style=" font-family: ‘‘;"></span><br><br><span style=" font-family: 宋体;">测量降水量多少的装置是(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)。气象学家根据一天</span><span style=" font-family: ‘‘;">24</span><span style=" font-family: 宋体;">小时的降水量确定下雨等级。</span><span style=" font-family: ‘‘;">10</span><span style=" font-family: 宋体;">~</span><span style=" font-family: ‘‘;">25</span><span style=" font-family: 宋体;">毫米是(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">),(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)毫米是暴雨。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">8</span><span style=" font-family: 宋体;">、看上去像棉花堆一样的云叫(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)。纤细的雨状云是(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">9</span><span style=" font-family: 宋体;">、(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)是传播声音的重要物质,声音不能在(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)中传播。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: ‘‘;">10</span><span style=" font-family: 宋体;">、汽水中的气体是通过(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)或(</span><span style=" font-family: ‘‘;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">)溶解的。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">二、判断题:(正确的打“∨”,错误的打“×”。每小题</span><span style=" font-family: ‘‘;">2</span><span style=" font-family: 宋体;">分,共</span><span style=" font-family: ‘‘;">20</span><span style=" font-family: 宋体;">分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、溶解的速度只与物质本身有关,与其他条件无关。 (&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、我们通常利用酒精灯的内焰给物体加热。 (&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">3、所有液体都可以溶解在水中。(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">4、当尺子伸出桌面的距离越短,发出的声音就越高。(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5、我们听到的各种声音主要是靠空气传播的,但是固体液体也是能传播声音的。</span><span style="font-family: 宋体;">&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span>&nbsp;</div><div><font face="宋体"><br></font><span style=" font-family: 宋体;">6、在雨量器的容器中,水面的高度值就是降水量。 &nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>&nbsp;</span><br><br><span style=" font-family: 宋体;">7、在呼吸器官中,气管是进行气体交换的场所。 &nbsp;(  )、</span></div><div><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">8、口腔对食物的初步消化,是由牙齿、舌头、唾液共同完成的。  (   )</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">9、在相同条件下,不同物质在水中的溶解能力是有大有小的。 &nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">10、耳朵可以长时间使用,所以也可以长时间使用耳塞听音乐。 (&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span></div><div><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">三、选择题:&nbsp;(20分&nbsp;&nbsp;每题2分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1.当“纸飞尘起”的情况下,应该是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)级风。</span></div><div><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A.2&nbsp;&nbsp;&nbsp;&nbsp;B.7&nbsp;&nbsp;&nbsp;C.4</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、“可乐”里面含有大量的(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span></div><div><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A.氧气&nbsp;&nbsp;&nbsp;B.氮气&nbsp;&nbsp;&nbsp;C.二氧化碳</span><br><br><span style=" font-family: 宋体;">3.一天中的降水量是指(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)小时内的降水总量。&nbsp;</span></div><div><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A.6&nbsp;&nbsp;&nbsp;B.12&nbsp;&nbsp;&nbsp;&nbsp;C.24</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">4.酒精在水中溶解后,会分布在水的(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A.各个地方&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.上部&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.下部</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5.人的心脏一分钟大约跳动(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)次。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A.30——50&nbsp;&nbsp;&nbsp;B.60——100&nbsp;&nbsp;&nbsp;C.120——150</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">6、下面能溶解在水中的物体是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span></div><div><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A.食用油&nbsp;&nbsp;&nbsp;&nbsp;B.面粉&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.胶水</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">7、人说话的声音是由(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)振动产生的。</span></div><div><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A.声带&nbsp;&nbsp;&nbsp;&nbsp;B.口腔&nbsp;C.&nbsp;嘴唇</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">8、口腔中起着消化淀粉作用的是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span></div><div><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A.牙齿&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.舌头&nbsp;&nbsp;C.唾液</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">9、食物开始消化的地方是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span></div><div><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A.口腔&nbsp;&nbsp;&nbsp;&nbsp;B.食管&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.小肠</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">10、在平静状态下,我们一分钟的呼吸次数一般为(&nbsp;&nbsp;&nbsp;&nbsp;)次。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A.20&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.60&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.100</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">四、填表。(10分)</span></div><div><font face="宋体"><br></font> <table width="100%" border="1"><tbody><tr><td><br>物质<br><br>&nbsp;<br></td><td><br>肥皂<br></td><td><br>面粉<br></td><td><br>味精<br></td><td><br>粉笔灰<br></td><td><br>冰糖<br></td><td><br>洗衣粉<br></td><td><br>奶粉<br></td><td><br>高锰酸钾<br></td><td><br>酱油<br></td><td><br>柴油<br></td></tr><tr><td><br>是否溶解<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br><br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td></tr></tbody></table> <br><span style=" font-family: 宋体;">五、问答题(20分,每题5分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、在做食盐水蒸发实验时,用到的实验器材有哪些?</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、请按照先后顺序写出食物进入人体后所经过的消化器官。</span><span style=" font-family: 宋体;"></span><br><br><span style=" 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;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">3、填图(请在下面圆圈中按照天气情况画出云量的分布。)</span><span style=" font-family: 宋体;"></span><br><br><img src="/uploadimages/2014/1219/2014121921713.png"><br><br><span style=" font-family: 宋体;">&nbsp;</span><br></div>