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试题答案

本文从以下几个角度介绍。

    6、贵阳市观山湖区第一高级中学2025-2026学年度第一学期9月月考高一数学试题


    2、贵阳市观山湖区第一高级中学2025-2026学年度第一学期9月月考高一生物试题


    72．I haven’t (归还) the book to the library yet.
    73．My grandfather often gets on the radio. (国外新闻)
    74．A (旅程) by train is more relaxing than by coach, but more expensive.
    75．Long time no see, I (期待) to meet my good friend again.
    76．He got better grades than we (预料、期待).
    77．In such a dangerous (形势、情况), what should we do to keep us safe
    78．When Gan Yu was lost in the earthquake(地震) and lived alone in the wild(野外), he didn’t feel (紧张) at all.


    In some cities, people can take bikes to work. There are special bike lanes on the roads. It's safe and good for the environment.
    In other cities, people take public transportation, like buses and subways. They are cheap and fast. Some cities also have light rail systems.
    In some countries, people carpool. That means several people share one car to go to work or school. It can reduce the number of cars on the roads.
    What do you think is the best way to solve traffic problems
    What is the big problem in many big cities
    A. Pollution. B. Traffic. C. Crime. D. Education.
    Why do people take bikes to work in some cities


    6、贵阳市观山湖区第一高级中学2025-2026学年度第一学期9月月考高一化学试题


    5、贵阳市观山湖区第一高级中学2025-2026学年度第一学期9月月考高一语文试题


    2、贵阳市观山湖区第一高级中学2025-2026学年度第一学期9月月考高一生物学试题


    6、贵阳市观山湖区第一高级中学2025-2026学年度第一学期9月月考高一物理试题


    6、贵阳市观山湖区第一高级中学2025-2026学年度第一学期9月月考高一 试题


    6、贵阳市观山湖区第一高级中学2025-2026学年度第一学期9月月考高一政治试题


    溶解度/g KCl 31.0 34.0 37.0 40.0 42.6 45.5
    KNO3 20.9 31.6 45.8 63.9 85.5 110.0
    A. 10℃时，KCl的溶解度大于KNO3的溶解度
    B. 40℃时，将70gKCl加入100g水中充分溶解，得到溶液的质量为140g
    C. 将60℃时两种物质的饱和溶液降温到10℃，析出KNO3的质量大
    D. 若绘制溶解度曲线，两物质溶解度相同时的温度为20～30℃
    19.甲、乙、丙、丁为初中化学常见的物质，且甲、乙、丙、丁均含同一种元素。它们之间的转化关系如图所示（“→”表示某一种物质经一步反应可转化为另一种物质。部分反应物、生成物及反应条件已略去）。下列说法错误的是（　　）


    10．偏二甲肼(C2H8N2)是一种高能燃料，燃烧产生的巨大能量可作为航天运载火箭的推动力。下列叙述正确的是(　　)
    A．偏二甲肼的摩尔质量为60 g
    B．6.02×1023个偏二甲肼分子的质量约为60 g
    C．1 mol偏二甲肼的质量为60 g·mol-1
    D．6 g偏二甲肼含有NA(NA表示阿伏加德罗常数的值)个偏二甲肼分子
    11．用NA表示阿伏加德罗常数的值，下列说法中正确的是(　　)
    A．1 mol甲烷的质量与甲烷的摩尔质量相等


    3、贵阳市观山湖区第一高级中学2025-2026学年度第一学期9月月考高一化学答案