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试题答案

本文从以下几个角度介绍。

    1、山东省临沂市2024年高三教学质量检测历史
    2、山东省临沂市2024高三期中考试历史
    3、2024临沂高三期末历史
    4、临沂2024高考试卷历史
    5、2024年临沂市高三历史一模题
    6、山东省临沂市高三一模历史
    7、2024年临沂高考二模历史
    8、山东临沂2024高三期中历史
    9、临沂市2024高三一模历史
    10、临沂高三历史一模

1、山东省2026届临沂市高三教学质量检测考试地理试题


5、山东省2026届临沂市高三教学质量检测考试生物试题


On January 20，2025，a Chinese tech company named DeepSeek unveiled its groundbreaking AI model，DeepSeek﹣RI.This advanced program，capable of solving complex math problems，writing code，and answering questions with remarkable accuracy，has been compared to top﹣tier models like Open AI's GPT﹣4 o.However，what sets DeepSeek﹣R1 apart is its cost﹣effectiveness.The development team spent only ＄5.58 million﹣just 1/70 of Open AI's budget﹣and utilized 2，048 computer chips over two months.This achievement demonstrates that innovation and ingenuity can triumph over massive financial resources.
DeepSeek﹣R1 employs a unique learning method.Unlike traditional AI models that rely heavily on pre﹣prepared datasets，R1 learns through trial and error，much like how students practice math problems.This self﹣improving capability allows it to outperform other models in certain areas.For instance，in a global math test，DeepSeek﹣R1 scored 79.8%，slightly higher than Open AI's model.Additionally，a simplified version of R1 can run on low﹣cost computers，making it accessible to schools and small businesses，thereby democratizing AI technology.
One of the most remarkable features of DeepSeek﹣R1 is its open﹣source nature.It is free to use and modify，encouraging global collaboration.On its first day online，over 19，000 programmers worldwide initiated projects to study and improve the model.A German scientist noted that experiments with R1 cost only 10 instead of＄300 with other AI models.Even a top scientist from Meta，a leading U.S.tech company，praised R1，stating，"This kind of free AI could change the world."
The success of DeepSeek﹣R1 has raised concerns among U.S.tech giants.Meta，for example，has announced plans to invest an additional ＄65 billion in AI research to stay competitive.Experts believe that China is rapidly closing the gap in AI technology.A report in Nature magazine hailed R1 as a"big step forward"，emphasizing that smart ideas can outperform expensive tools.
As one DeepSeek engineer said，"We want AI to be a friend，not something only rich people can use."RI exemplifies China's commitment to making AI accesible and affordable for all.It sends a powerful message to the world，Great achievements stem from creativity and hard work，not just financial power.With R1，China has not only advanced AI technology but also inspired a global movement toward inclusive and innovative solutions.
（1）What is the main advantage of DeepSeek﹣R1 compared to other AI models？ 　 　
A.It is more expensive to develop.


Let your stress go. Schedule your life properly. Don't be so busy, or you may do anything wrong. Make sure you have some quiet time to yourself.
Take a walk. Get out and get more sunlight each day can help you a lot. Some experts say that we usually feel bored or sad because we get less sunlight in winter than we do in other seasons.
Sleep enough. If you don't have enough sleep, you can not think clearly. So you need to have a good sleeping habit and go to bed earlier right now.
Do some exercise. To keep healthy, exercise is needed. If you don't like doing sports outside, you can do some sports at home. The best way is that you had better receive the flu vaccine(流感疫苗).
Have a healthy diet. Do not eat too much. If you get hungry easily, you can have more small meals rather than a larger one, and you can eat more fruit and vegetables.
F. Calm down before sleep. If you are excited and nervous before you sleep, you may have bad dreams. Do something relaxing to make sure your brain is peaceful, such as reading and listening to music.
第二部分 非选择题(25分)


5、山东省2026届临沂市高三教学质量检测 试题


6、山东省2026届临沂市高三教学质量检测考试历史试题


1、山东省2026届临沂市高三教学质量检测考试历史试题


1、山东省2026届临沂市高三教学质量检测考试生物学试题


1、山东省2026届临沂市高三教学质量检测考试地理试题


5、山东省2026届临沂市高三教学质量检测考试历史试题


1.两种粒子的结构示意图如图所示，下列说法不正确的是( )
A.它们的核外电子数相同
B.甲表示阴离子，乙表示原子
C.它们属于同种元素
D.它们的核外电子排布相同
√
[解析] 由甲和乙的粒子结构示意图可知，二者核外电子总数均为10，


【解析】A．由题目信息可知，该有机物有麻醉神经的作用，长期服用，可能导致神经病，A项正确；
B．根据该有机物的结构特点知，分子中含有羟基，可以和钠反应放出氢气，B项正确；
C．由题目信息可知，该有机物毒性很强，吸食后容易上瘾，年轻人不要尝试，C项正确；
D．根据该有机物的结构特点知，分子中含有羟基，可以和乙酸发生酯化反应，D项错误；
答案选D。
9．（2023春·湖北·校联考期中）化学反应速率的调控在工农业生产和日常生活中有重要作用，下列说法正确的是
A．在化学工业中，使用催化剂一定能增大化学产率


3、山东省2026届临沂市高三教学质量检测考试化学答案