[百师联盟]2026届高三仿真模拟考试(五)5生物(百J)试题
[百师联盟]2026届高三仿真模拟考试(五)5生物(百J)试题于2025-12-03发布，目前已经汇总了[百师联盟]2026届高三仿真模拟考试(五)5生物(百J)试题的各科答案和试卷，更多试卷答案请关注本网站。
本文从以下几个角度介绍。
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[百师联盟]2026届高三仿真模拟考试(五)5地理(百J)试题
[百师联盟]2026届高三仿真模拟考试(五)5生物(百J)试题
第四部分 写作（满分25分）
71. 阅读下面材料, 根据其内容和所给段落开头语续写两段, 使之构成一篇完整的短文。
Ava, a fifth-grader, longed for a cell phone like her peers but had to wait until she was thirteen. To persuade her parents, she penned an essay, demonstrating she was mature enough for a cell phone. Her parents, impressed, gave her an old phone.
“Ava,” her dad said seriously, “a cell phone isn’t just for fun and games. It’s a significant responsibility. You must keep your phone secure. You must silence it in public spaces. You must...” He listed all of the ways that she had to be responsible with her phone. But Ava, too busy with choosing the perfect wallpaper, downloading apps, and chatting with her best friend Sarah, only half-listened.
Over the weekend, Sarah’s mom took the girls to a movie. Normally Ava avoided horror films, but Sarah’s pleading words with funny memes (表情包) had somehow convinced Ava that the movie might actually be enjoyable. Before the movie started, Sarah’s mom instructed the girls to silence their phones out of respect for others. As the movie’s tension built, Ava found herself growing increasingly uncomfortable. “I need to go to the bathroom,” Ava whispered to Sarah.
After the movie, while waiting for Sarah’s mom to fetch the car, Ava felt a sinking feeling. “I can’t find my phone!” she shrieked, patting down all of her pockets. Panic-stricken, Ava searched her bag, yet her phone seemed to have vanished. Ava got into the car, her stomach in knots.
“Are you going to tell your parents ” Sarah whispered to Ava on their ride back. Ava was silent, her mind racing with the consequences. She could envision her parents’ disappointed faces and harsh words. She feared that this incident might lead to her parents taking away the privilege of having a phone altogether.
3、[百师联盟]2026届高三仿真模拟 (五)5历史(百J)试题
1、[百师联盟]2026届高三仿真模拟考试(五)5化学(百J)试题
2、[百师联盟]2026届高三仿真模拟考试(五)5地理(百J)试题
5、[百师联盟]2026届高三仿真模拟考试(五)5政治(百J)试题
3、[百师联盟]2026届高三仿真模拟考试(五)5语文(百J)试题
【答案】1.45；1.00；偏小
【知识点】闭合电路的欧姆定律；电池电动势和内阻的测量
【解析】【解答】根据闭合电路的欧姆定律得；可知，图线的纵轴截距表示电动势，图线的斜率表示电源内阻，根据题中图线可得，；如图所示的电路，测定某电源电动势和内阻，由于电压表的分流，使电流表的读数小于电池的输出电流，把滑动变阻器看成外电路，电压表可以看成内电路的一部分，当外电路断开时，电压表两端的电压等于电池的电动势，但由于电压表有内阻，则，该实验由于系统误差使电池电动势的测量值偏小。
故答案为：1.45；1.00；偏小
【分析】利用闭合电路欧姆定律，通过U - I图线的纵截距求电动势，斜率求内阻；再分析电压表分流对电流测量的影响，判断电动势测量值与真实值的大小关系。
12．（2024高二上·肇庆期中）纯净水的电导率（电阻率的倒数）是检验纯净水是否合格的一项重要指标。某学习小组通过实验检测某品牌纯净水的电导率是否合格，具体实验步骤如下：
（1）该小组将采集的水样注满在圆柱形容器里，容器两端用很薄的金属圆片电极密封，金属圆片的电阻不计，容器长度为L，水平放置并固定在底座上。利用螺旋测微器测量金属圆片的直径d，如图甲所示，其读数为 mm。
[百师联盟]2026届高三仿真模拟考试(五)5化学(百J)答案
