20．如右图所示abcd分别是几种常见漏斗的上部abcd是实际操作中各漏斗的下部插入容器中的示意图请指出abcd分别与a Sketch Coloring Page

20．如右图所示abcd分别是几种常见漏斗的上部abcd是实际操作中各漏斗的下部插入容器中的示意图请指出abcd分别与a Template

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tomski20．如右图所示abcd分别是几种常见漏斗的上部abcd是实际操作中各漏斗的下部插入容器中的示意图请指出abcd分别与a coloring

20．如右图所示abcd分别是几种常见漏斗的上部ABCD是实际操作中各漏斗的下部插入容器中的示意图请指出ABCD分别与a sketch template

圆锥曲线极点极线知识篇4——一般圆锥曲线极点极线的定义与性质 sketch template

20．如图平面PAD⊥平面ABCDABCD为正方形∠PAD=90°且PA=AD=2EFG分别是线段PAPDCD的中点 1 sketch template

如图所示正四棱锥P ABCD的各棱长均为13MN分别为PABD上的点且PM∶MA=BN∶ND=5∶8 1求证直线MN∥平面 sketch template

如图所示，零件材料为45号钢，大批量生产，硬度HRC30 35，请从以下ABCD四种工艺路线中选择一种零件合理的机械加工工艺路线。工艺路线 sketch template

在现实生活中力的分解有着广泛的应用劈柴用的斧头就是利用了力的分解知识。图甲为劈柴斧头的剖面图用斧头劈柴�们感觉会更容易一些只需用一个 sketch template

�国汉代数学家赵爽在注解《�髀算经》时给出的“赵爽弦图”如图所示，它是由四个全等的直角三角形与中间的小正方形拼成的一个大正方形．若大正方形的 sketch template

31．某兴趣小组设计的趣�小实验装置如右图所示其中AB为未膨胀的气球C为玻璃导管D为胶头滴管用气密性良好的该装置分别进行甲乙两 sketch template

物质的熔化凝固规律固体物质分类晶体非晶体吸热与放热熔化吸热凝固放热温度变化——青夏教育精英家教�—— sketch template

18．如图所示在四棱锥P ABCD中底面ABCD是一直角梯形∠BAD=90° AD∥BC AB = BC A AD 2a sketch template

百度教育 sketch template

如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ sketch template

百度教育 sketch template

如右图所示在杠杆的两端分别挂着质量相同的铜球和锌球这时杠杆平衡然后将两球分别浸没在稀H2SO4和CuSO4溶液中一段时间 1杠杆� sketch template

4．将图1所示的直角梯形绕直线l旋转一�得到的立体图形是 A． B． C． D． 图1 第5题图——青夏教育精英家教�—— sketch template

某同学用图所示装置通过半径相同的AB两球的碰撞来验证动量守恒定律图中PQ是斜槽QR为水平槽实验时先使A球从斜槽上某一固定位置G由静止 sketch template

17． 如图所示在四棱锥P ABCD中∠ABC＝∠ACD＝90°∠BAC＝∠CAD＝60°PA⊥平面ABCDE为PD的中点PA sketch template

8．图1是正方体各个面展开后如右图2所示对应的六个面分别用字母ABCDEF表示则正方体前后两个面分别是展开后图中的 sketch template

如图所示在四棱锥S ABCD中底面ABCD是正方形侧棱SD⊥平面ABCDSD=DC点E是SC的中点作EF⊥SB交SB于点F．1 sketch template

19．如图所示四棱锥P ABCD中底面ABCD为直角梯形点E在棱PA上且PE=2EA 1 求异面直线PA与CD所成的角 2 sketch template

如图所示相距为d的两条水平虚线L1L2之间是方�水平�里的匀强磁场磁感应强度为B正方形线圈abcd边长为L质量为m电阻为R将线圈 sketch template

如图所示在四边形ABCD中EFGH分别是四边形ABCD各边的中点已知阴影部分的面积是10求四边形SRPQ的面积．题目和参考答案 sketch template

如图所示甲、乙两个相同的圆台形容器以不同的方式放在水平桌面上容器内装有深度相同、质量相同、密度不同的A、B液体则两液体密度ρA > ρB sketch template

小强同学用如图所示的装置验证电流通过导体时产生的热量与导体电阻大小通过导体的电流和通电时间的关系图中两个密封的烧瓶内盛满质量和温度都相同 sketch template

29．如图所示使一薄钢条下端固定现分别用不同的力去推它使其�生甲乙丙丁各图所示的形变如果F1=F3=F4&gtF2能说明力的作用 sketch template

23．用右图所示装置做“探究平面镜成像 的实验 1甲图中的B表示研究对象“平面镜应选择 “平板玻璃填“梳妆用小方镜或“平板玻璃 sketch template

如图所示四棱锥P ABCD中底面ABCD是正方形PA⊥底面ABCDPA=AB=2点F是PB的中点点E在棱BC上移动．1当E为 sketch template

28．把右图所示的实验装置放在阳光下以探究植物进行光合作用必需的某种原料请分析回答下列问题 1该实验探究的光合作用的原料是 sketch template

如图所示正方形ABCD的边长为12直角梯形CEFG的上底下底和高分别为414和15．已知AH=9求阴影部分面积．题目和参考答案 sketch template

按照题目要求作图1如图甲所示水槽底部有一点光源S它�出的光能照亮水面上部的光屏请作出能达到光屏上A点的一条大致光路．2如图乙所 sketch template

如右图所示ABC是三个完全相同的圆柱形玻璃容器分别将质量相等的酒精硫酸和盐水三种液体倒入容器中．根据表中提供的有关数据判断AB sketch template

如右图，在菱形ABCD中，对角线AC=4，∠BAD=120°，则菱形ABCD的�长为（）． A20 B18 C16 D15 sketch template

12．如图所示在四棱锥P ABCD中底面ABCD是矩形PA＝AB＝2BC＝a又侧棱PA⊥底面ABCD 1当a为何值时BD⊥ sketch template

如右图所示在圆心为O半径为r的圆形区域内有方�垂直纸面�里的匀强磁场一电子以速度v沿AO方�射入后沿OB方�射出匀强磁场若已知∠ sketch template

小明按右图所示的电路进行实验开关闭合后电压表V1和V2的指针位置完全一样如图乙所示L1和L2两端的电压分别是A10V2VB8V sketch template

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