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试题答案

本文从以下几个角度介绍。

    1、河南商开大联考高一化学2024
    2、河南省商开大联考高二下
    3、河南百校联盟高二化学
    4、河南百校联盟2024-2024学年高二1月联考化学答案
    5、河南百校联盟2024-2024学年高二1月联考化学

3、河南省商师联盟2024-2025学年度高二下学期期中联考(4月)政治B试题


5、河南省商师联盟2024-2025学年度高二下学期期中联考(4月)化学B试题


C. The ways climate change affects global food security.
D. The impact of AI on boosting farming efficiency and productivity.
45. What can be inferred about the introduction of AI in agriculture from the third and the fourth paragraphs
A. It will lead to widespread unemployment.
B. It will eliminate the need for human labor completely.
C. It may help address the labor shortage issue.
D. It doesn’t affect the nature of seasonal workers.


阅读下列短文，从每小题所给的A、B、C、D四个选项中选出一个最佳选项。
A
Why do you need hobbies A study has found that people are more 31 when they take part in a relaxing activity. Scientists also think they might be good for your brain.
How do you choose the 32 hobby Start with what you 33 in the past. Did you once play football Take it up again or start something else. If you find it isn’t for you, stop and 34 something new.
It’s 35 that exercise is going to be good for your body. Dancing is wonderful exercise. A review of 94 studies found that dancing three times a week 36 balance in older people. Getting out in 37 is helpful, whether you’re hiking or doing something less active.
Which hobbies keep your 38 active Learning an instrument and reading are the best 39 . Playing the piano or listening to your favorite band can help you make it. Researches have found reading is also good for your brain.
Hobbies let you forget your 40 and have fun. So let’s take up great hobbies.


6、河南省商师联盟2024-2025学年度高二下学期期中联考(4月)生物学B答案


5、河南省商师联盟2024-2025学年度高二下学期期中联考(4月)政治B答案


1、河南省商师联盟2024-2025学年度高二下学期期中联考(4月)生物学B答案


2、河南省商师联盟2024-2025学年度高二下学期期中联考(4月)英语B答案


3、河南省商师联盟2024-2025学年度高二下学期期中联考(4月)化学B试题


6、河南省商师联盟2024-2025学年度高二下学期期中联考(4月)政治B答案


10．（2024·黑龙江齐齐哈尔）在某次化学社团的活动中，同学们为了探究氢氧化钠的化学性质，进行下图所示实验。
(1)A试管中观察到的实验现象是 ，该反应的化学方程式为 。
(2)B试管中反应的微观实质是 。
(3)实验后，将A、B两支试管中所有物质倒入同一个洁净的烧杯，最终形成蓝色溶液，由此现象可知B试管中反应后所得溶液的溶质是 。
(4)为了确定烧杯内蓝色溶液中溶质的成分，同学们进行了以下实验探究：
【提出问题】烧杯内蓝色溶液中的溶质是什么
【进行猜想】猜想1．硫酸钠、硫酸铜、硫酸；猜想2． 。


21 5 填空与 易 0.7
物质构成 识记与辨 化学观念
简答 化学式 析 化学思维
分子的特征 理解与应
化学与健康 用
22 4 填空与 化学观念 易 0.6
物质变化 识记与辨


3、河南省商师联盟2024-2025学年度高二下学期期中联考(4月)生物B答案