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试题答案

本文从以下几个角度介绍。

    1、2019—2024河南省高二天一联考生物答案"
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4、[天一大联考]河南省2025-2026学年高二年级阶段性诊断地理试题


4、[天一大联考]河南省2025-2026学年高二年级阶段性诊断生物试题


19．How should actors handle talking in the scene
A．Speak out normally. B．Mouth words silently. C．Whisper to each other.
20．What uniform will David be wearing
A．A waiter uniform. B．A police uniform. C．A school uniform.
.
第二部分 阅读理解（共两节，满分50分）
第一节（共15小题；每小题2.5分，满分37.5分）


This time I would not hide my desire any more. Determined to follow my heart, I explained to my father how I felt. I told him that I wanted to go to a college to learn to fly instead of being a farmer. After saying this, I waited nervously for his reaction. To my surprise, he approved my request, and he told me he was moved by my perseverance. With his support and my efforts, I was admitted into my ideal college.
At the graduation ceremony, with my father present, I, as “Best Pilot”, had to deliver a speech. In my speech, I shared with the audience my story about how a teenager realized his dream. Faced with difficulties, I took a path that led me do something that needed passion, training and practice. I also owed my success to my father's support. Without his understanding, I couldn't have pursued my dream. At the end of my speech, I spotted my father's watery eyes, and said, “Dad, I made it!” His face lit up with pride.
附：听力原文
1．【原文】M: Hello, this is Ultimate Computers. We would like to fax some information about after-sales service to you. Could you get it now
W: I'm sorry. The fax won't be working until 2:30. It's 1:30. Could you try sending it an hour later
M: All right.
2．【原文】M: We're going to move out of our apartment, although it's near my company and the school.


5、[天一大联考]河南省2025-2026学年高二年级阶段性诊断生物答案


6、[天一大联考]河南省2025-2026学年高二年级阶段性诊断地理答案


3、[天一大联考]河南省2025-2026学年高二年级阶段性诊断地理答案


5、[天一大联考]河南省2025-2026学年高二年级阶段性诊断生物答案


4、[天一大联考]河南省2025-2026学年高二年级阶段性诊断 试题


5、[天一大联考]河南省2025-2026学年高二年级阶段性诊断语文答案


实验④开始加入I2，发生反应ⅱ生成H＋和I－，加快了反应速率
总反应为：3SO2＋2H2OS↓＋2SO＋4H＋
5.(2024·人民大学附中期中)丙酮()碘化反应为＋I2I－＋H＋＋。兴趣小组在20 ℃时研究了该反应的反应速率。他们在反应开始前加入淀粉溶液，通过观察淀粉溶液褪色时间来度量反应速率的大小。实验数据如下表，其中①～③混合液总体积均为100 mL。
序号 n(丙酮)/mol n(I2)/mol 褪色时间/s
① 0.2 2×10－4 40
② 0.1 2×10－4 80
③ 0.2 1×10－4 20


当其他条件不变时：
①c(反应物)增大或c(生成物)减小，平衡向________方向移动。
②c(反应物)减小或c(生成物)增大，平衡向________方向移动。
【特别提醒】
(1)仅增加固体或纯液体的量，由于浓度不变，化学平衡不移动。
(2)在溶液中进行的反应，改变未参加反应的离子的浓度，化学平衡不移动。
3．用平衡常数分析浓度对化学平衡移动的影响


3、[天一大联考]河南省2025-2026学年高二年级阶段性诊断化学答案