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试题答案

本文从以下几个角度介绍。

    3、河南省许昌市2025-2026学年上学期菁华校区高二第一次阶段性考试数学试题


    3、河南省许昌市2025-2026学年上学期菁华校区高二第一次阶段性考试生物试题


    A. Alfred Nobel was a Swiss chemist and the inventor of dynamite.
    B. The winners of Nobel Prizes get a diploma and a medal from the King of Sweden.
    C. The winners of Nobel Prizes only give lectures before the award ceremony.
    D. Tu Youyou who is a Chinese chemist is the first Chinese Nobel Prize winner.
    51. What is the best title for this article
    A. Alfred Nobel B. The Nobel Prize
    C. Tu Youyou D. The prize winner


    B
    A farmer, Isaiah Hofer in Manitoba, Canada, faced a big challenge earlier this year. With nearly 100,000 bags of surplus（多余的）potatoes, each weighing 100 pounds, Hofer was left thinking about what to do with millions of pounds of food. He was dysphoric and couldn’t think of a better way. It seemed that he had to let these potatoes go to waste.
    Luckily, some public service organizations knew about his situation and came to help in time. The Farmlink Project was the first to offer help. It turned the potential（潜在的）waste into a lifeline for families in need across North America. The Farmlink Project has been helping solve this kind of problem since it was founded four years ago. It has successfully given 220 million pounds of fresh produce to those in need across the United States and beyond.
    Hofer’s difficult situation also caught the attention of the Keystone Potato Producers Association. It quickly got in touch with Hofer and the Farmlink Project. They had a discussion about how to deal with these potatoes. To everyone’s surprise, Hofer agreed to give away those potatoes without expecting anything in return. After that, 115 trucks were sent to transport his potatoes to food banks in Toronto, British Columbia, San Diego, and New Mexico.
    Kate Nelson, chief marketing officer and co-founder of the Farmlink Project, took part in the event and saw the whole process. He said this was one of the largest donations（捐赠）the project has ever met.
    Reflecting on the experience, Hofer expressed his gratitude to these public service organizations and his happiness in being able to give back. “When you are blessed with so much, it’s just good to give back... and I’m just glad we could do that,” he shared.
    24. What does the underlined word “dysphoric” in the first paragraph mean


    6、河南省许昌市2025-2026学年上学期菁华校区高二第一次阶段性 生物试题


    3、河南省许昌市2025-2026学年上学期菁华校区高二第一次阶段性考试物理试题


    6、河南省许昌市2025-2026学年上学期菁华校区高二第一次阶段性考试化学试题


    2、河南省许昌市2025-2026学年上学期菁华校区高二第一次阶段性考试生物试题


    3、河南省许昌市2025-2026学年上学期菁华校区高二第一次阶段性考试数学试题


    6、河南省许昌市2025-2026学年上学期菁华校区高二第一次阶段性考试政治试题


    已知溶液中金属离子开始沉淀和完全沉淀的pH如下表所示：
    金属离子
    开始沉淀时()的pH 8.1 7.5 2.2 3.7
    沉淀完全时()的pH 9.6 9.0 3.2 4.7
    回答下列问题：
    （1）滤渣中有S和　 　；“酸浸”得到的滤液中含有、，则该过程中主要反应的离子方程式是　 　。
    （2）若“调pH后的溶液中Mn2+浓度为0.01mol/L，则调pH应控制的pH范围是　 　。


    1 2 3 4 5 6 7 8
    B A C B A D C D
    9 10 11 12 13 14 15
    B D C A B C D
    二、非选择题：本题共 4 小题，共 55 分。
    16．（14分）［每空 2分］
    （1）AC（写错或多写不给分，少写一个给 1分）


    3、河南省许昌市2025-2026学年上学期菁华校区高二第一次阶段性考试化学答案