合肥市第八中学2026届高三最后一卷数学答案

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试题答案

本文从以下几个角度介绍。

合肥市第八中学2026届高三最后一卷数学试题

I joined the club last year. There are 30 members in total. We have a meeting every Wednesday after school. In the meetings, we do small science experiments. For example, we once took apart an old radio and learned how it works. We also fix broken small machines, like toy cars. It’s fun and helps us learn science knowledge.
Our club teacher is Mr. Li. He is a scientist who used to work in a lab. He is our role model. He often tells us stories about famous scientists and says, “Every small question can lead to a big discovery.” He also helps us make science models, like model planes and robots.
Last month, our club took part in a school science show. We showed our model robots. Many students and teachers came to watch. Our robot could walk and pick up small things. Everyone said it was amazing. We felt very proud.
I love the science club. It makes me more interested in science. I hope to be a scientist in the future and make new inventions to change people’s lives.
26. How often does the science club have a meeting
A. Every Monday. B. Every Wednesday. C. Every Friday. D. Every Sunday.
27. What did Tom and his club members once do in the meeting

合肥市第八中学2026届高三最后一卷数学试题

4、合肥市第八中学2026届高三最后一卷数学答案

（五）人体生理和健康概念5人体的结构与功能相适应，各系统协调统一，共同完成复杂的生命活动 5.1人体通过消化系统从外界获取生命活动所需的营养物质
5.2人体通过循环系统进行体内物质运输
5.3人体通过呼吸系统与外界进行气体交换
5.4人体主要通过泌尿系统排出代谢废物和多余的水
5.5人体各系统在神经系统和内分泌系统的调节下，相互联系和协调，共同完成各项生命活动，以适应体内外环境的变化
概念6人体健康受传染病、心血管疾病、癌症及外伤害的威胁，良好的生活习惯和医疗措施是健康的重要保障 6.1人体具有免疫功能，通过计划免疫等措施能够预防传染病
6.2生活习惯与行为选择能够影响人体健康

6、合肥市第八中学2026届高三最后一卷数学答案

1、合肥市第八中学2026届高三最后一卷数学答案

4、合肥市第八中学2026届高三最后一卷数学答案

因为变压器不改变交流电的频率，所以加在变压器副线圈上正弦交流电的频率也为，A正确；
B、交流发电机产生交流电的频率与线圈转速（转/秒）的关系为（一个周期对应线圈转 1 圈），
由图（b ）知频率，所以转速转/秒，并非 100 转/秒，B错误；
C、由图（b ）可知，原线圈电压的最大值。
正弦交流电的有效值，
电压表测原线圈电压有效值，所以电压表示数约为，C正确；
D、已知原线圈电压最大值，要求副线圈电压最大值，

合肥市第八中学2026届高三最后一卷数学答案

合肥市第八中学2026届高三最后一卷数学试题

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