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试题答案

本文从以下几个角度介绍。

    1、信阳市高二上学期期末物理试卷
    2、2019-2024信阳市高二期末考试物理答案
    3、信阳市2024-2024学年度高二下学期期末教学质量检测
    4、信阳市高二下期期末考试2024~2024
    5、河南信阳高二上期末物理卷子
    6、信阳市高三第二次教学质量检测物理
    7、信阳市2024-2024学年度高二上学期期末考试
    8、信阳市高二上期物理期末考试
    9、2024-2024河南省信阳市高二下期期末考试
    10、2019-2024信阳市高三第二次教学质量检测物理

6、信阳市2024-2025学年下学期高二期末质量监测历史试题


1、信阳市2024-2025学年下学期高二期末质量监测历史试题


写作（15分）


2024-2025英语下学期期中复习重难点突破（广州专用）
期中复习之阅读理解
（1）
Have you tried to fix broken furniture or clothes Well, it’s difficult. What’s more, there are fewer repair shops. But thanks to an online platform (平台) —the Guilder, repairing things is much easier in the Netherlands.
To get a repair service (服务) on the Guilder, first you need to make an application, take pictures of your broken item and upload (上传) them. The platform then matches the item with people having the ability to fix it in the same community. You don’t need to pay for the service. Instead, you offer other help in exchange. For example, Mr Lee helps you repair your chair and you help him fix his shoes. Then both of you complete the repair exchange on the Guilder.
The Guilder is becoming popular in many communities. Since it appeared (出现), many broken things have been“new” again. With the help of the Guilder, people not only get their old and broken things repaired, but also are able to know more about their neighbours.
The Guilder makes it easy for people to repair things in daily life. This is exactly what Ollee, the Guilder’s designer, wants to see. “People used to fix things. This is a great skill, but now many of us are losing it. When something is broken or just old, we’ll buy a new one instead of repairing it. It causes a lot of waste and is not good for the environment.” said Ollee. “I started the Guilder as a way to fight against waste. I’m glad that the platform makes people start to repair things in their daily lives. I hope, with the Guilder, repairing things can become a popular lifestyle again!”


5、信阳市2024-2025学年下学期高二期末质量监测化学答案


1、信阳市2024-2025学年下学期高二期末质量监测 答案


2、信阳市2024-2025学年下学期高二期末质量监测生物答案


1、信阳市2024-2025学年下学期高二期末质量监测物理答案


6、信阳市2024-2025学年下学期高二期末质量监测英语试题


5、信阳市2024-2025学年下学期高二期末质量监测政治答案


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答案
向3支试管中分别加入大小、形状相同的
Cu、Fe、Mg
研究金属(或反应物)本身的性质对化学反应速率　
温度相同


该反应为可逆反应，1 mol H2和1 mol I2充分反应后生成HI的物质的量小于2 mol，故放出的热量小于a kJ，故C错误；
设断开2 mol H—I键所需能量为x kJ，则x-(b+c)=a，解得x=c+b+a，故D正确。
答案
5.向某恒容密闭容器中充入一定量的气体A和气体B，发生反应：A(g)+B(g) C(g)+D(g)，正反应速率随时间变化的曲线如图所示。下列说法错误的是
A.t1时刻反应物的浓度大于t2时刻反应物的浓度
B.逆反应速率在t3时刻达到最大
C.反应在t4时刻后处于化学平衡状态


3、信阳市2024-2025学年下学期高二期末质量监测化学答案