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试题答案

本文从以下几个角度介绍。

    1、河南省开封市五校联考
    2、开封五县2024-2024学年下学期高一期中考试
    3、2024至2024学年高一年级开封五县联考
    4、2024-2024开封市五县联考高一
    5、2024开封市五县联考高一下学期
    6、2024开封县高一期中五县联考
    7、河南省开封市五县联考2019-2024学年高三上学期
    8、开封市2024~2024学年第二学期高一年级期末调研考试
    9、2024 2024开封五县联考高一
    10、开封五县联考高一期中考试

5、开封五校2025-2026学年上学期高一期中联考(26-L-189A)地理试题


1、开封五校2025-2026学年上学期高一期中联考(26-L-189A)化学试题


D．Being involved in the task is beneficial.
29．Why was the surge in creativity seen recently
A．People were stimulated by boredom.
B．People were better equipped at home.
C．People had more hobbies to choose from.
D．People were more concerned about mental being.
30．What is the purpose of the bean-sorting task in the 2019 study


Jack has grown so much since he started learning Wudang martial arts.It has taught him about physical moves and helped him become a better person.It was quite difficult，but it was a valuable experience for Jack.He is thankful for all the lessons he has learned and he is also thankful to all the friends he has met.In the future，Jack will continue practicing and spreading the magic of martial arts everywhere he goes.
根据语篇内容，回答下列问题。
(1) Are the martial arts the same as the fighting that people see in movies？
______
(2) Why did Jack come to China when he was 20 years old？
______
(3) How did Jack keep healthy every day？


3、开封五校2025-2026学年上学期高一期中联考(26-L-189A)数学试题


6、开封五校2025-2026学年上学期高一期中联考(26-L-189A)语文试题


6、开封五校2025-2026学年上学期高一期中联考(26-L-189A)历史试题


2、开封五校2025-2026学年上学期高一期中联考(26-L-189A)化学试题


5、开封五校2025-2026学年上学期高一期中联考(26-L-189A)生物试题


3、开封五校2025-2026学年上学期高一期中联考(26-L-189A)英语试题


C．将pH＝4的盐酸稀释后，溶液中所有离子的浓度均降低
D．100℃时，pH＝12的纯碱溶液中：c(OH )＝1.0×10-2 mol·L 1
9．常温下，溶液和盐酸相比，下列说法错误的是
A．前者pH＝12，后者pH＝2
B．分别取等体积的两种溶液混合，pH＝7
C．稀释至原体积的100倍，两溶液中c(H+)均变成原溶液中c(H+)的0.01倍
D．水电离的H+浓度均为


Ⅳ.分别量取5mL 5%的过氧化氢溶液放入C、D两支试管中，向C试管中加入ag氧化铁粉末，再向D试管中加入ag二氧化锰粉末，观察现象。
【实验结论】
(3)实验Ⅱ可以证明 ，再结合实验Ⅰ和实验Ⅲ证明：氧化铁可以作为过氧化氢分解的催化剂。
【实验评价】
(4)设计实验Ⅳ的目的是 ；
【实验拓展】
查阅资料得知：氧化铜、硫酸铜、猪肝、马铃薯等也可以做过氧化氢溶液分解的催化剂。


3、开封五校2025-2026学年上学期高一期中联考(26-L-189A)生物答案