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2606绍兴高二期末试卷答案与部分解析

  • 2026-07-14 09:46:47
2606绍兴高二期末试卷答案与部分解析
试卷难度整体上是比较大的，比高三的常规模拟题和高考真题有过之而无不及。
单选前6个和多选全部三个，比较容易，考查的是概念或理论的基本理解和简单应用，也基本没有什么推导运算，基础全面就能解答。
单选7、8、9、10难度稍大，需要知识与方法非常扎实才能应对，但也没有特别奇巧的地方。
题8的A选项属于易错，可能会想不起【有电机，是非纯电阻电路】，但面对A项结论这么简单“正确”，按一般心理，也很难选它。
题9，考查了变压器与副线圈所接电阻的一种等效处理技巧，题干中特别进行了提示，非常友好。
实验题两个小题整体难度中等。其中第1小题的问（2）要用到弹性碰撞的结论v1+v1'=v2+v2'=2V共（或用通解处理也可以，但会较难，甚至化简不出。）
热学大题常规模型、常规考查，难度中等。其中，卡扣模型的膨胀问题需要检讨是否会达到卡扣。
电磁感应综合大题，问（3）难度较大，一是，需要多步转换，其中连续性方程v1*s1=v2*s2，有些学生可能不知道。二是，v2与电流I的关系时，到底用常用的动量定理列关系式呢，还是用能量守恒（功能关系）呢?可能会纠结、或选择错误。【这里稍微总结一下，一般涉及从v到0或从v到反向v'，用动量定理；涉及从0到V，特别是有两种不同性质的力且不易表示冲量时，用能量守恒】
曲线运动综合大题，问（4）难度极大，一是，考查了一个很罕见的模型，物块与平板碰撞过程中，x方向的摩擦力冲量If等于y方向的弹力冲量的μ倍，即If=μIN，进而ΔVx=μΔVy。二是，同时又考察水平方向的动量守恒，三是，再次考察动量守恒，还有相对位移问题。
磁场运动综合大题，问（2）（3）都难度较大。其中问（2）运算量较大，问（3），考查到了切向力阻力f会使速度减小，但不会影响转动快慢角速度，还是比较罕见的，还考察到了阻力模型的动量定理应用。
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  138. /yingpanguazai/ssd/ssd1/www/www.sjds.net/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/www.sjds.net/runtime/temp/5febe16c9207553ef9b4c4406f7af920.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/www.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000540s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000821s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000344s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000277s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000540s ]
  6. SELECT * FROM `set` [ RunTime:0.000219s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000535s ]
  8. SELECT * FROM `article` WHERE `id` = 507488 LIMIT 1 [ RunTime:0.000398s ]
  9. UPDATE `article` SET `lasttime` = 1784014655 WHERE `id` = 507488 [ RunTime:0.011061s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000289s ]
  11. SELECT * FROM `article` WHERE `id` < 507488 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000546s ]
  12. SELECT * FROM `article` WHERE `id` > 507488 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004145s ]
  13. SELECT * FROM `article` WHERE `id` < 507488 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.007109s ]
  14. SELECT * FROM `article` WHERE `id` < 507488 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000774s ]
  15. SELECT * FROM `article` WHERE `id` < 507488 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001953s ]
0.096759s