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试题答案

本文从以下几个角度介绍。

    5、泉州市2025届高中毕业班质量监测(二)(泉州二检)地理试题


    3、泉州市2025届高中毕业班质量监测(二)(泉州二检)生物试题


    19．C 20．A 21．B
    【原文】略
    22．engineer and inventor 23．Famous paintings 24．500 years 25．be seen/be read 26．Why
    【原文】
    Leonardo da Vinci is considered one of the greatest painters of all time. He was born in Italy in 1452. He is still famous today because of his famous paintings, especially the Mona Lisa. However, not many people know that da Vinci was also an engineer and inventor. He drew plans and pictures and wrote about his many ideas in his diaries.
    Not all of da Vinci’s plans worked out because they weren’t tested. However, some of his ideas came true. For example, one of his bridges was finally built 500 years after it was drawn, and flying machines such as helicopters are very common now. Everything in da Vinci’s diary is written backwards. Why Something da Vinci didn’t want others to know about his ideas as he wrote his diary in code. Others think it was just easier for him to write this way because he was left-handed. Either way, da Vinci’s diaries can only be read with a mirror so that you can see the words in the correct direction.
    27．C


    ② Well, it depends on the color of our (63) _________. Some people look good in warm colors like yellow, red and orange,
    but other people look nice in cool colors such as green, blue and purple.
    ③ I also eat lots of fruit and vegetables every day. I (64) ___________ eat cakes or sweets. Too much sugar is bad for our
    teeth.
    ④ Look at the noticeboards near the (65) __________. Here we can read about school news and stories of star students and
    teachers. They are role models for us.
    B. 根据首字母提示，完成短文中所缺词汇。（每空 1 分，共 10 分）


    2、泉州市2025届高中毕业班质量监测(二)(泉州二检)历史试题


    5、泉州市2025届高中毕业班质量监测(二)(泉州二检)英语试题


    3、泉州市2025届高中毕业班质量监测(二)(泉州二检)历史试题


    3、泉州市2025届高中毕业班质量监测(二)(泉州二检)化学试题


    5、泉州市2025届高中毕业班质量监测(二)(泉州二检)英语试题


    2、泉州市2025届高中毕业班质量监测(二)(泉州二检)化学试题


    （2）吸附
    （3）
    （4）
    【知识点】空气的组成；电解水实验；质量守恒定律及其应用；碳单质的性质和用途
    【解析】【解答】（1）空气中含有最多的气体为氮气，化学式为N2。
    （2）活性炭具有吸附性，能吸附水中的色素和异味。
    （3）化学变化中反应前后原子的种类和个数不变，等号左边Si、H、N、F、O的个数分别为1、7、1、6、3，等号右边除X外，Si、H、N、F、O的个数分别为1、5、1、6、2，则X中含有2个氢原子和1个氧原子，化学式为H2O。


    ②200℃时，肼分解成氮气和氢气的热化学方程式为 。
    (2)工业上，裂解正丁烷可以获得乙烯、丙烯等化工原料。
    反应1：(g，正丁烷)
    反应2：(g，正丁烷)
    某温度下，向2L恒容密闭容器中投入2mol正丁烷，假设控制反应条件，只发生反应1，达到平衡时测得的体积分数为。下列情况表明上述反应达到平衡的是___________(填字母，下同)。
    A．混合气体的密度保持不变 B．甲烷、丙烯的生成速率相等
    C．混合气体压强保持不变 D．丙烯的体积分数保持不变


    3、泉州市2025届高中毕业班质量监测(二)(泉州二检)化学答案