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试题答案

本文从以下几个角度介绍。

    1、[炎德英才]长沙市第一中学2024-2025学年度高二第二学期期末考试地理试题


    2、[炎德英才]长沙市第一中学2024-2025学年度高二第二学期期末考试生物试题


    Do you know who directed (导演) the film It’s Dai Tielang. Dai was b 79 in Singapore in 1930 and moved to China when he was ten. He loved watching cartoons. He also liked playing with c 80 and telling them stories. In 1957, Dai began working f 81 Shanghai Animation Film Studio. There he helped produce more than 30 works. Dai was not only a director, but also a movie designer (设计师). He designed many cartoon works and characters. Many of his films w 82 awards (奖) at international film festivals, such as Baby Tadpoles Look for Their Mother and My Friend, Little Dolphin. His w 83 were mainly about things close to us, like friendship, environment and science. In 1991, Dai retired (退休). H 84 , after retiring, he still worked hard to make cartoons for children.
    It is a p 85 that Dai passed away in 2019. But we’ll always remember him and his great cartoon works.
    九、书面表达（本大题共15分）
    86．假设你是李华，你要给你的笔友 Dina 写信，向他介绍一下你清明假期的经历。要点提示如下：
    （1）清明假期，你和家人一起去了杭州旅行。
    （2）之前你已经去过杭州两次了，但是你仍然很享受这次旅行。因为总有许多有趣的事情可做。
    （3）你们去了西湖，还登上了雷锋塔顶……。


    　　I’m John. I really want to be a scientist. Science is great and I’m interested in it. When I grow up, I want to discover many useful things to help people. I must study hard to make it possible.
    　　I’m Frank. I have a dream—to be a soldier. My cousin is a soldier. He looks cool and I think he is a real man, so I want to be a person like him. Soldiers are brave. When our country is in trouble, they are always there to help. I want to be one of them and serve our country.
    　　Hi! I’m Helen. Becoming a doctor is my dream. As we all know, doctors can be heroes. They change the lives of their patients and give them hope to live on. Every time I go to see a doctor and see a smile on the doctor’s face, I feel really warm.
    26．Frank wants to be a soldier because of his ________.
    A．cousin B．mother C．teacher D．father
    27．Helen feels ________ whenever she sees the doctor’s smile in the hospital.
    A．bored B．warm C．excited D．nervous


    4、[炎德英才]长沙市第一中学2024-2025学年度高二第二学期期末 语文答案


    4、[炎德英才]长沙市第一中学2024-2025学年度高二第二学期期末考试英语答案


    3、[炎德英才]长沙市第一中学2024-2025学年度高二第二学期期末考试 答案


    6、[炎德英才]长沙市第一中学2024-2025学年度高二第二学期期末考试物理答案


    1、[炎德英才]长沙市第一中学2024-2025学年度高二第二学期期末考试政治试题


    4、[炎德英才]长沙市第一中学2024-2025学年度高二第二学期期末考试语文答案


    B、物质由元素组成，元素只讲种类不讲个数。叶酸由碳元素、氢元素、氮元素和氧元素组成，B错误；
    C、叶酸(C19H19N7O6)中碳、氢、氮、氧四种元素质量比为，C错误；
    D、根据C选项的分析，叶酸中氢元素的质量分数最小，D正确。
    故选：D。
    18.【答案】C
    【解析】A、环己胺中碳、氢、氮三种元素质量比为，即环己胺中碳元素质量分数最大，故A不符合题意；
    B、在原子中，质子数=核外电子数，即环己胺分子中质子数等于电子数，故B不符合题意；


    (2) 哑铃形 sp2 正四面体
    (3) [Ar]3d24s2 第四周期第IVB族
    (4) AB Cr2O+ 3H2O2+8H+=2Cr3++3O2↑+7H2O
    17.(14分)　(1)①<　②分子　(2)①直线　2　(3)①2s22p6
    ②sp3杂化　乙二胺分子间可以形成氢键，三甲胺分子间不能形成氢键　③EF
    18.(14分)　(1)　ds　(2)H2O＞NH3＞CO2　三者都是分子晶体，但H2O和NH3都存在分子间氢键，且H2O分子间的氢键作用力强于NH3
    (3)sp2、sp3　7∶1　(4)①　156.5


    3、[炎德英才]长沙市第一中学2024-2025学年度高二第二学期期末考试化学答案