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试题答案

本文从以下几个角度介绍。

    4、[新时代(NT)教育]NT20名校联合体2025-2026学年高三入学摸底联考数学试题


    3、[新时代(NT)教育]NT20名校联合体2025-2026学年高三入学摸底联考数学试题


    II.根据句子意思,用所给单词的适当形式填空。未提供单词的根据上下文填入适当的词。(共 10 小题,每小题 1 分)
    Everyone has one or more friends. But not everyone has friends from other countries. I do! I have___81___ e-friend from the US. ___82_____(her) name is Susan. And she is twelve years old. She is at the same age as me. She has a big family with six people in it, three___83___(old) brothers and her parents. But I’m the only child in my family. How___84__(luck) she is!
    Her favorite subject is Maths _____85___she doesn’t like history. She thinks it’s boring. She often plays football with her____86____(friend) after school.
    She usually rides a bike to school because her house is far from school. She____87____(say) it’s good for her health. But I always go to school by bus. She likes listening __88____music, but she never listens in class. Her favorite song is My heart will go on. Do you think it’s funny
    Her dream is_____89__(visit) China one day .She wants to learn about our country and learn how to speak ____90___(China) I’m sure her dream will come true.
    III.书面表达. (15 分)
    地球是我们赖以生存的美丽家园,保护地球,人人有责。作为一名学生,我们应该怎么做来保护地球呢?请以 Protect the Earth 为题写一篇 80 词左右的短文。


    A.decision B.budget C.money D.progress
    28.—There is ________ special happened today.
    —What is it
    A.something B.anything C.everything
    29.Did Lisa tell you ________ in her letter
    A.funny anything B.anything funny
    C.funny something D.something funny


    1、[新时代(NT)教育]NT20名校联合体2025-2026学年高三入学摸底联考数学答案


    6、[新时代(NT)教育]NT20名校联合体2025-2026学年高三入学摸底联考数学答案


    5、[新时代(NT)教育]NT20名校联合体2025-2026学年高三入学摸底联考数学答案


    4、[新时代(NT)教育]NT20名校联合体2025-2026学年高三入学摸底联考数学答案


    4、[新时代(NT)教育]NT20名校联合体2025-2026学年高三入学摸底联考数学试题


    1、[新时代(NT)教育]NT20名校联合体2025-2026学年高三入学摸底联考数学答案


    当最后半滴AgNO3标准溶液滴入后,锥形瓶中出现
    砖红色浑浊,且半分钟内砖红色浑浊不消失
    【解析】 (5)由题干信息可知,本实验使用K2CrO4作指示剂,故当最后半滴AgNO3标准溶液滴入后,锥形瓶中出现砖红色浑浊,且半分钟内砖红色浑浊不消失,即到达滴定终点。
    (6)平行滴定三次,消耗AgNO3标准溶液的平均体积为17.05 mL,所得产品中NaCl晶体纯度为     %(保留小数点后两位)。
    99.74
    课时作业51 物质的检验与鉴别
    (时间:30分钟 满分:100分)


    B.花生油(植物油)、牛油(动物油)均属于油脂,故B正确;
    C.淀粉和纤维素水解的最终产物均为葡萄糖,葡萄糖在酶的催化下可分解为乙醇和二氧化碳,广泛应用于酿酒和生产燃料乙醇,故C正确;
    D.并非所有蛋白质都能溶于水,故D错误;
    故选D。
    【分析】A.葡萄糖是单糖;
    B.油脂是高级脂肪酸与甘油形成的酯类化合物;
    C.淀粉和纤维素水解的最终产物均为葡萄糖;


    3、[新时代(NT)教育]NT20名校联合体2025-2026学年高三入学摸底联考数学答案