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试题答案

本文从以下几个角度介绍。

    1、2024-2024学年高三10月质量检测九师联盟数学
    2、2024九师联盟高三10月数学
    3、2024~2024九师联盟高三10月质量检测
    4、九师联盟2024-2024学年高三10月质量检测巩固卷答案
    5、2024-2024九师联盟高三10月质量检测
    6、九师联盟2024-2024学年高三新高考10月质量检测答案
    7、2024九师联盟高三高考10月质量检测
    8、九师联盟20242024高三9月质量检测数学答案
    9、九师联盟2024-2024学年高三10月质量检测答案
    10、九师联盟2024-2024高三10月质量检测巩固卷答案

4、[九师联盟]2026届高三10月质量检测数学试题


2、[九师联盟]2026届高三10月质量检测数学试题


A. Asking for help. B. Giving suggestions. C. Sharing an experience.
3. Who is Karen
A. A teacher. B. An artist. C. A bank clerk.
4. Where does the conversation probably take place
A. At a hotel. B. At a supermarket. C. At a travel agency.
5. What is the conversation mainly about
A. Insects. B. A book. C. The planet.


（2025九下·长沙期中）阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
What is the dirtiest thing in our homes The toilet Wrong! Scientists in the US have found that electronic devices (电子设备) are even dirtier, as Daily Mail reported.
Samples (样本)　46． 　 (take) from 38 devices and other things like toilet seats. Then　47． 　 (get) the result, the scientists counted the bacteria colonies (细菌菌落) — groups of bacteria that grow together.
The dirtiest of all turned out to be earphones. The scientists found 1,073 colonies on the earphones of　48． 　 average person. That's twice as much as the average toilet seat, and the number of colonies on the average toilet seat is　49． 　 (small) than that on the earphones. The sweat and heat from our ears and heads may be the reason. They make a nice environment for bacteria to grow.
Phones are quite clean among the devices we often use. Each　50． 　 (have) only about 187 colonies. But we also touch phones the most. When we eat or sleep, we often put them right by our side,　51． 　 the chance of catching bacteria from phones is big.
Some bacteria can make us very sick. The scientists found them on earphones and computer mice. They can cause pimples and serious　52． 　 (problem) for our eyes, ears and lungs(肺), said the Cleveland Clinic in the US.
So, we should clean　53． 　 (we) devices often after we finish using them. It is also important to wash our hands before eating and keep devices away　54． 　 the dining table. This way, we can stay　55． 　 (health) and avoid getting sick from dirty devices.


2、[九师联盟]2026届高三10月质量检测数学答案


1、[九师联盟]2026届高三10月质量检测数学答案


5、[九师联盟]2026届高三10月质量检测数学答案


1、[九师联盟]2026届高三10月质量检测数学答案


4、[九师联盟]2026届高三10月质量检测数学试题


2、[九师联盟]2026届高三10月质量检测数学答案


是
三、实验及探究题（共2小题，文字表达式每空2分，其余每空1分，计13分）
16.（5分)某中学化学实验兴趣小组对人体吸人的空气和呼出的气体进行了探究。
(1)用排水法收集两瓶呼出气体，当集气瓶内充满呼出气体时，将瓶口在
(填“水
[化学课后综合作业（一）A-科粤版第4页共6页]
下”或“移出水面后”)立即用玻璃片盖好。


【变式2-2】下列不能导电的物质是
A．石墨 B．稀硫酸 C．熔融的NaOH D．NaCl固体
【答案】D
【详解】A．石墨是碳的单质，具有层状结构，层间存在自由移动的电子，因此能导电，A不符合题意；
B．稀硫酸是电解质溶液，在水中解离出自由移动的H+和离子，因此能导电，B不符合题意；
C．熔融状态的NaOH会电离成自由移动的Na+和OH-离子，因此能导电，C不符合题意；
D．固态NaCl由Na+和Cl-离子组成，但离子在晶格中固定，无法自由移动，因此不能导电，D符合题意；


3、[九师联盟]2026届高三10月质量检测数学答案