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1、第 1 页 共 21 页绝密 启用前2018 年普通高等学校招生全国统一考试（天津卷）理科综合物理部分理科综合共300 分，考试用时150 分钟。物理试卷分为第卷(选择题)和第卷两部分，第卷1 至 3页，第卷4 至 7 页，共 120 分。答卷前，考生务必将自己的姓名、准考证号填写在答题卡上，并在规定位置粘贴考试用条码。答卷时，考生务必将答案涂写在答题卡上，答在试卷上的无效。考试结束后，将本试卷和答题卡一并交回。祝各位考生考试顺利！第卷注意事项：1每题选出答案后，用铅笔将答题卡上对应题目的答案标号涂黑。如需改动，用橡皮擦干净后，再选涂其他答案标号。2本卷共 8 题，每题 6 分，共 48 分。
2、一、单项选择题（每小题6 分，共 30 分。每小题给出的四个选项中，只有一个选项是正确的）1国家大科学过程 中国散裂中子源（CSNS）于 2017 年 8 月 28 日首次打靶成功，获得中子束流，可以为诸多领域的研究和工业应用提供先进的研究平台，下列核反应中放出的粒子为中子的是A147N俘获一个 粒子，产生178O并放出一个粒子B2713Al俘获一个 粒子，产生3015P并放出一个粒子C115B俘获一个质子，产生84Be并放出一个粒子D63Li俘获一个质子，产生32He并放出一个粒子2滑雪运动深受人民群众的喜爱，某滑雪运动员（可视为质点）由坡道进入竖直面内的圆弧形滑道AB，从滑道的 A 点滑行
3、到最低点B 的过程中，由于摩擦力的存在，运动员的速率不变，则运动员沿AB 下滑过程中精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页，共 21 页 -第 2 页 共 21 页A所受合外力始终为零B所受摩擦力大小不变C合外力做功一定为零D机械能始终保持不变3如图所示，实线表示某电场的电场线（方向未标出），虚线是一带负电的粒子只在电场力作用下的运动轨迹，设 M 点和 N 点的电势分别为MN、，粒子在 M 和 N 时加速度大小分别为MNaa、，速度大小分别为MNvv、，电势能分别为PPMNEE、。下列判断正确的是AMNMNvvaa，BMNMNvv，CPPMNMNEE，DPPMNMNaaEE，4教学
4、用发电机能够产生正弦式交变电流。利用该发电机（内阻可忽略）通过理想变压器向定值电阻R供电，电路如图所示，理想交流电流表A、理想交流电压表V 的读数分别为I、U，R 消耗的功率为P。若发电机线圈的转速变为原来的12，则AR 消耗的功率变为12PB电压表 V 的读数为12UC电流表 A 的读数变为2I D通过 R 的交变电流频率不变5氢原子光谱在可见光区域内有四条谱线HHHH、，都是氢原子中电子从量子数n2 的能级跃迁到 n=2 的能级发出的光，它们在真空中的波长由长到短，可以判定精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页，共 21 页 -文档编码:CE6H1S7X2L1 HX2J10E1
5、R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C
6、4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1
7、S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10
8、E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z
9、4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6
10、H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J
11、10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1文档编码:CE6H1S7X2L1 HX2J10E1R5Q3 ZE3L5Z4C4U1第 3 页 共 21 页AH对应的前后能级之差最小B同一介质对H的折射率最大C同一介质中H的传播速度最大D用H照射某一金属能发生光电效应，则H也一定能二、不定项选择题（每小题6 分，共 18 分。每小题给出的四个选项中，都有多个选项是正确的。全部选对的得 6 分，选对但不全的得3 分，选错或不答的得0 分。）62
12、018 年 2 月 2 日，我国成功将电磁监测试验卫星“张衡一号”发射升空，标志我国成为世界上少数拥有在轨运行高精度地球物理场探测卫星的国家之一。通过观测可以得到卫星绕地球运动的周期，并已知地球的半径和地球表面的重力加速度。若将卫星绕地球的运动看作是匀速圆周运动，且不考虑地球自转的影响，根据以上数据可以计算出卫星的A密度B向心力的大小C离地高度D线速度的大小7明朝谢肇淛五杂组中记载：“明姑苏虎丘寺庙倾侧，议欲正之，非万缗不可。一游僧见之,曰：无烦也，我能正之。”游僧每天将木楔从塔身倾斜一侧的砖缝间敲进去，经月余扶正了塔身。假设所用的木楔为等腰三角形，木楔的顶角为，现在木楔背上加一力F，方向如图
13、所示，木楔两侧产生推力FN，则A若 F 一定，大时NF大B若 F 一定，小时NF大C若 一定，F 大时NF大D若 一定，F 小时NF大8一振子沿x 轴做简谐运动，平衡位置在坐标原点。t=0 时振子的位移为-0.1 m，t=1 s时位移为0.1 m，则A若振幅为0.1 m，振子的周期可能为2s3精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页，共 21 页 -文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M
14、9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S
15、1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:
16、CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P
17、10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5
18、 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7
19、Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I1
20、0 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1第 4 页 共 21 页B若振幅为0.1 m，振子的周期可能为4s5C若振幅为0.2 m，振子的周期可能为4 s D若振幅为0.2 m，振子的周期可能为6 s 第卷注意事项：1用黑色墨水的钢笔或签字笔将答案写在答题卡上。2本卷共 4 题，共 72 分。9（18 分）（1）质量为 0.45 kg 的木块静止在光滑水平面上，一质量为0.05 kg 的子弹以 200 m/s 的水平速度击中木块，并留在其中，整
21、个木块沿子弹原方向运动，则木块最终速度的大小是_m/s。若子弹在木块中运动时受到的平均阻力为4.5 103 N，则子弹射入木块的深度为_m。（2）某研究小组做“验证力的平行四边形定则”的实验，所有器材有：方木板一块，白纸，量程为5 N的弹簧测力计两个，橡皮条（带两个较长的细绳套），刻度尺，图钉（若干个）。具体 操作前，同学们提出了如下关于实验操作的建议，其中正确的是_。A橡皮条应和两绳套夹角的角平分线在一条直线上B重复实验再次进行验证时，结点O 的位置可以与前一次不同C使用测力计时，施力方向应沿测力计轴线；读数时视线应正对测力计刻度D用两个测力计互成角度拉橡皮条时的拉力必须都小于只用一个测力计
22、时的拉力该小组的同学用同一套器材做了四次实验，白纸上留下的标注信息有结点位置O，力的标度、分力和合力的大小及表示力的作用线的点，如下图所示。其中对于提高实验精度最有利的是_。（3）某同学用伏安法测定待测电阻Rx的阻值（约为10 k），除了Rx，开关 S、导线外，还有下列器材供选用：A电压表（量程01 V，内阻约为10 k）B电压表（量程010 V，内阻约为100 k）C电流表（01 mA 内阻约为30）精品资料-欢迎下载-欢迎下载 名师归纳-第 4 页，共 21 页 -文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4
23、W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7
24、I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX
25、2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P
26、8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编
27、码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C
28、6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9
29、L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1第 5 页 共 21 页D电流表（00.6 A，内阻约为0.05）E电源（电动势1.5 V，额定电流0.5 A，内阻不计）F电源（电动势12 V，额定电流2 A，内阻不计）G滑动变阻器R0（阻值范围010，额定电流2 A）为使测量尽量准确，电压表选用_，电流表选用_，电源选用 _。（均填器材的
30、字母代号）；画出 测量 Rx阻值的实验电路图。该同学选择器材、连接电路和操作均正确，从实验原理上看，待测电阻测量值会_其真实值（填“大于”“小于”或“等于”），原因是_。10我国自行研制、具有完全自主知识产权的新一代大型喷气式客机C919 首飞成功后，拉开了全面试验试飞的新征程，假设飞机在水平跑道上的滑跑是初速度为零的匀加速直线运动，当位移 x=1.6 103 m 时才能达到起飞所要求的速度v=80 m/s，已知飞机质量m=7.0 104 kg，滑跑时受到的阻力为自身重力的0.1倍，重力加速度取210 m/sg，求飞机滑跑过程中（1）加速度 a 的大小；（2）牵引力的平均功率P。11如图所示，
31、在水平线ab 下方有一匀强电场，电场强度为E，方向竖直向下，ab 的上方存在匀强磁场，磁感应强度为B，方向垂直纸面向里，磁场中有一内、外半径分别为R、3R的半圆环形区域，外圆与 ab 的交点分别为M、N。一质量为m、电荷量为q 的带负电粒子在电场中P 点静止释放，由M 进入磁场，从 N 射出，不计粒子重力。（1）求粒子从P 到 M 所用的时间t；（2）若粒子从与P 同一水平线上的Q 点水平射出，同样能由M 进入磁场，从N 射出，粒子从M 到 N精品资料-欢迎下载-欢迎下载 名师归纳-第 5 页，共 21 页 -文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1
32、文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:C
33、G1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P1
34、0S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5
35、HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z
36、9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10
37、 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9
38、S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1第 6 页 共 21 页的过程中，始终在环形区域中运动，且所用的时间最少，求粒子在Q 时速度0v的大小。12真空管道超高速列车的动力系统是一种将电能直接转换成平动动能的装置。图1 是某种动力系统的简化模型，图中粗实线表示固定在水平面上间距为l 的两条平
39、行光滑金属导轨，电阻忽略不计，ab 和 cd是两根与导轨垂直，长度均为l，电阻均为R的金属棒，通过绝缘材料固定在列车底部，并与导轨良好接触，其间距也为l，列车的总质量为m。列车启动前，ab、cd 处于磁感应强度为B 的匀强磁场中，磁场方向垂直于导轨平面向下，如图1 所示，为使列车启动，需在M、N 间连接电动势为E 的直流电源，电源内阻及导线电阻忽略不计，列车启动后电源自动关闭。（1）要使列车向右运行，启动时图1 中 M、N 哪个接电源正极，并简要说明理由；（2）求刚接通电源时列车加速度a 的大小；（3）列车减速时，需在前方设置如图2 所示的一系列磁感应强度为B 的匀强磁场区域，磁场宽度和相邻磁
40、场间距均大于l。若某时刻列车的速度为0v，此时 ab、cd 均在无磁场区域，试讨论：要使列车停下来，前方至少需要多少块这样的有界磁场？化学部分第卷注意事项：1每题选出答案后，用铅笔将答题卡上对应题目的答案标号涂黑。如需改动，用橡皮擦干净后，再选涂其他答案标号。2本卷共 6 题，每题 6 分，共 36 分。在每题给出的四个选项中，只有一项是最符合题目要求的。以下数据供解题时参考：相对原子质量：H 1 C 12 N 14 O 16 1以下是中华民族为人类文明进步做出巨大贡献的几个事例，运用化学知识对其进行的分析不合理的是A四千余年前用谷物酿造出酒和醋，酿造过程中只发生水解反应B商代后期铸造出工艺精
41、湛的后(司)母戊鼎，该鼎属于铜合金制品C汉代烧制出“明如镜、声如磬”的瓷器，其主要原料为黏士精品资料-欢迎下载-欢迎下载 名师归纳-第 6 页，共 21 页 -文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6
42、P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L
43、5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W
44、7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I
45、10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2
46、M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8
47、S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1第 7
48、页 共 21 页D屠呦呦用乙醚从青蒿中提取出对治疗疟疾有特效的青蒿素，该过程包括萃取操作2下列有关物质性质的比较，结论正确的是A溶解度：Na2CO3NaHCO3B热稳定性：HClPH3C沸点：C2H5SHC2H5OH D碱性：LiOHC6H5OH C 向含有 ZnS 和 Na2S 的悬浊液中滴加CuSO4溶液生成黑色沉淀Ksp(CuS)Ksp(ZnS)D某溶液中加入Ba(NO3)2溶液再加足量盐酸产生白色沉淀仍有白色沉淀原溶液中有SO42-5室温下，向圆底烧瓶中加入1 molC2H5OH 和含 1molHBr 的氢溴酸，溶液中发生反应；C2H5OH+HBr?C2H5Br+H2O，充分反应后达到
49、平衡。已知常压下，C2H5Br 和 C2H5OH 的沸点分别为38.4和 78.5。下列有关叙述错误的是A加入 NaOH，可增大乙醇的物质的量B增大 HBr 浓度，有利于生成C2H5Br C若反应物增大至2 mol，则两种反应物平衡转化率之比不变D若起始温度提高至60，可缩短反应达到平衡的时间6LiH2PO4是制备电池的重要原料。室温下，LiH2PO4溶液的 pH 随 c初始（H2PO4）的变化如图1所示，H3PO4溶液中 H2PO4的分布分数随 pH 的变化如图2 所示，24=PH POcc总（含元（）素的粒子）下列有关 LiH2PO4精品资料-欢迎下载-欢迎下载 名师归纳-第 7 页，共
50、21 页 -文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1文档编码:CG1C6P10S9L5 HK4W7Z9D7I10 ZX2M9S2P8S1