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3、辽南协作体2025-2026学年上学期期中考试高一试题政治试题


3、辽南协作体2025-2026学年上学期期中考试高一试题化学试题


【47题答案】


DeepSeek: An Excellent Tool for Learning and Research
In the world of technology, new tools and apps are continuously arising to strengthen our learning and research abilities. One such creative tool is DeepSeek, a powerful AI-driven helper designed to assist users in selecting and processing information efficiently. ____16____
· Information is well-organized. ____17____ It groups this information summaries and key points, which makes it easy for readers to quickly understand the main ideas of a topic. It also connects to many scientific databases and libraries, allowing students to find scholarly articles and research papers directly through the platform. This feature is particularly useful for high school seniors working on essays, projects, or college applications.
· ____18____ DeepSeek also offers information based on the user’s search history and interests. The more you use it, the better it gets at suggesting content that matches your interests. For example, if you often search for literature topics, it will recommend articles and books on those subjects, which makes learning more engaging and shaped to your needs.
·Design is user-friendly. Moreover, DeepSeek is equipped with a simple interface that is easy to explore. Even for those who are not tech-professional, DeepSeek is straightforward to use, making it convenient to a wide range of users. ____19____ It ensures that everyone can benefit from its capabilities.
Overall, DeepSeek is a revolutionary and powerful tool. ____20____ Most importantly, it improves students’ research skills in the process of learning.
A. Security is reliable.


4、辽南协作体2025-2026学年上学期期中 高一试题数学答案


1、辽南协作体2025-2026学年上学期期中考试高一试题物理答案


5、辽南协作体2025-2026学年上学期期中考试高一试题生物答案


1、辽南协作体2025-2026学年上学期期中考试高一试题生物答案


3、辽南协作体2025-2026学年上学期期中考试高一试题历史试题


4、辽南协作体2025-2026学年上学期期中考试高一试题历史答案


(2)物理
18.(1)检查装置的气密性;(2)防止加热时高锰酸钾粉末进入导管;高锰酸钾锰酸钾+二氧化锰+氧气;D;将带火星的木条放在集气瓶口,若木条复燃,说明已集满;(3)A;催化;过氧化氢水+氧气;(4)a;将集气瓶内装满水,将氧气从b端通入,将水从a端排出。
19.(1)稀盐酸
(2)B
(3)NaOH溶液中含有水,加到稀盐酸中将稀盐酸稀释,pH也会增大
20. Zn Ag 漏斗 铁 Fe+CuSO4=FeSO4+Cu 硫酸铜或稀硫酸
21.(1)1:4


O2 吸附于催化剂的过程, 不涉及氧化还原 , C 项错误; 未给指明标准状况 ,D 项错误。
【答案】 D
【分析】 由原子守恒及氧化还原反应配平, 可得 6Fe2 + +Cr2 O2 - +14H+ 6Fe3+ +
2Cr3+ +7H2 O。
【解析】 X 是 H+ , Y 是 H2 O , A 项错误 ;B 项中氧化剂和还原剂的物质的量之比为 1∶ 6 ,B 项错误 ; C 项反应后产生的 Fe3+ 和 Cr3+ 会对环境产生危害, 需要处理后再排放 , C 项错误。
【答案】 D
【解析】 制镁是通过电解熔融的氯化镁 ,D 项错误。


3、辽南协作体2025-2026学年上学期期中考试高一答案生物答案