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3、[天一大联考]2025届高三第二次模拟考试(安阳二模)生物试题


3. Mrs. Jones had a book for Tom.


D．the writer might be moved(感动)by his son
8．阅读理解
How much sleep do we need We are all different. Some people need only three hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep an average(平均) of seven to eight hours a night. After the age of fifty, the average sleeping time goes down to 6.5 hours a night.
Most people have a bad night when they cannot fall asleep(睡着). The name of this problem is called insomnia.
This isn't a new problem .Many famous people in history had insomnia .Some of these people had special ideas to make them sleep .Benjamin Franklin, the famous inventor had four beds. He moved from one to another to fall asleep .King Louis XIV(国王路易十四)of France had four hundred and thirteen beds and hoped to fall asleep in one of them .Mark Twain, the famous American writer, had a different way. He lay on his side across the end of his bed.
（1）After the age of fifty, the average sleep hours are________ a night.
A．3 hours B．7 or 8 hours C．6.5 hours D．10 hours


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4、[天一大联考]2025届高三第二次模拟考试(安阳二模) 试题


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2、[天一大联考]2025届高三第二次模拟考试(安阳二模)物理试题


D.置换反应生成单质和化合物，生成单质和化合物的反应一定是置换反应


（3）用装置收集氧气，当_____________________时，再把导管口伸入集气瓶中。
（4）实验室制取下列气体，可以用图作为发生装置的有_______（填字母序号）。
A.电石（固体）和水在常温下反应制乙炔气体
B.浓盐酸（液体）和二氧化锰共热制氯气
C.氯化铵（固体）和熟石灰共热制氨气
D.加热高锰酸钾制取氧气
22.（12分）酸、碱、盐是初中化学常见的化合物，研究它们的性质有重要意义。某化学探究小组设计了如下实验来探究酸、碱、盐之间的反应。


3、[天一大联考]2025届高三第二次模拟考试(安阳二模)化学答案