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4、临洮县文峰中学2024-2025度第二学期期中考试高二(10165b )政治试题


5、临洮县文峰中学2024-2025度第二学期期中考试高二(10165b )化学试题


D
There are many colors in nature. But do you think that a color has weight (重量) I think you’ll say “no”. But I’m afraid you are wrong. If you don’t believe it, you may do a small experiment (实验).
First, put two objects (物品) with the same weight into two boxes. Then cover the boxes. Third, wrap (包裹) one box with a red piece of paper, the other one with a white piece of paper. OK. now hold the boxes with your hand one by one. It is certain that you will think the red one is a little heavier.
Why do you think so A scientist found that different colors have different weights in man’s mind. That is to say, every color has its own weight in our mind.
The scientists told us that colors also have smell. Can you smell colors Of course not. Then why did the scientists say so That is because every color stands for (代表) a kind of light with a certain wavelength (波长). It reaches our brain (大脑) through sense organs (感觉器官).
In this research, scientists say that people accept the colors they like, and refuse the colors they hate. So your body and mind will be healthy by using the colors you like. Or you’ll be nervous or even get ill. For example, you like blue and hate red. If you stay in a room with red windows, wallpaper and tables and chairs for two hours, you’ll feel you have been there for four hours. But if the room is blue, you’ll feel you have been there for only an hour. And, if a person walks out of a blue room and into a red room, his temperature will rise. That means our body temperature will change with different colors.
13. From the experiment, we know that ________.


need to address these risks. A report by Goldman Sachs suggests that AI could replace 300
million full-time jobs, raising concerns about widespread unemployment and economic
destruction. The fear is that AI systems could become uncontrollable and make decisions that
are not in the best interest of humanity.
Despite these concerns, some remain optimistic about AI’s potential. Advocates（支持者）
argue that AI is already delivering significant social and economic benefits. Bill Gates, the
founder of Microsoft, has called for collaboration (合作 ) between governments and the tech


6、临洮县文峰中学2024-2025度第二学期期中 高二(10165b )数学答案


5、临洮县文峰中学2024-2025度第二学期期中考试高二(10165b )历史答案


2、临洮县文峰中学2024-2025度第二学期期中考试高二(10165b )化学答案


4、临洮县文峰中学2024-2025度第二学期期中考试高二(10165b )生物答案


4、临洮县文峰中学2024-2025度第二学期期中考试高二(10165b )历史试题


6、临洮县文峰中学2024-2025度第二学期期中考试高二(10165b )生物答案


C.铁丝在氧气中燃烧，火星四射，生成黑色固体
D.硫在空气中燃烧，产生淡蓝色火焰，生成有刺激性气味的气体
6. 某反应前后分子种类变化的微观示意图如下。下列说法不正确的是（ D ）
A. 在化学反应中原子不可再分 B.此化学反应是氧化反应
C. 丁是由分子构成的物质 D. 反应后的物质是纯净物
7. 规范操作是实验成功的前提。下列实验操作正确的是（ B ）
A. 稀释浓硫酸 B. 过滤


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CD　[由图可知，反应产物的能量低于反应物的能量，反应为放热反应；反应焓变等于反应物的总键能减去反应产物的总键能，故反应物的总键能小于反应产物的总键能，A错误；反应为放热反应，该反应的焓变为ΔH＝(209－348) kJ·mol-1＝－139 kJ·mol-1，B错误；该反应为放热反应，向环境释放能量，C正确；相同条件下，反应物、反应产物和过渡态中的物质，过渡态所处能量最高最不稳定，D正确。]
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3、临洮县文峰中学2024-2025度第二学期期中考试高二(10165b )生物答案