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试题答案

本文从以下几个角度介绍。

    1、昆明一中高三第五次第二轮数学
    2、2024昆明市第一中学第五次联考
    3、昆明市第一中学高三第五次检测数学
    4、2024昆明一中第五次联考
    5、昆明一中第五次联考答案2024

1、昆明市第一中学2025届高三第十次联考(5月)数学试题


1、昆明市第一中学2025届高三第十次联考(5月)数学试题


I often eat dinner at7:00 p.m. (对画线部分提问)
_________do you often eat dinner
4. --- Do you like music (作肯定回答) --- Yes, ________ _________.
5. --- When is Teachers' Day (根据实际情况回答) --- It's in__________.
六．阅读理解。
There are four seasons in a year. They are spring, summer, autumn and winter. Spring begins in March and ends in May. In this season, the trees and grass become green. The flowers are colourful. Summer is a hot season. It is from June to August. The sun always shines hard. People usually go to the beach or some cool places. They like to eat ice cream. After summer, autumn comes. It begins in September. It is the harvest season. The farmers gather food. There are many fruit in this season. It is a golden season. Winter is a white season. It is from December to February. It often snows in winter. It is cold. Children like to play with snow and make snowmen.
根据短文内容,回答下列问题。


B
David Rush broke his 181st record, giving him a new kind of record — the record for the most Guinness World Records held at the same time. Rush, who’s 40, began working to set world records to show how important it is to keep doing our best and push our own limits, even when things are hard.
In 2015, Rush decided to set a record by juggling (玩杂耍) with his eyes covered. After practicing for several weeks, Rush managed to juggle blindfolded for 6 minutes and 34 seconds. That was Rush’s first Guinness World Record. He even broke this record twice in a row (连续). Rush enjoys the hard work of training to break records, during which he finds it helps him stay in shape, and that it’s fun to try new things. Many of the records Rush sets are unusual. He’s balanced 101 rolls of toilet paper on his head. He’s caught 59 marshmallows (棉花软糖) in his mouth in one minute.
Rush’s family supports him in his efforts. His three children enjoy practicing with him. In 2021, his wife allowed Rush to wrap (用……包裹) her in plastic wrap to set a new record. Most of Rush’s records get set at his home, with volunteers helping out, carefully recording the event.
But Rush’s main job is giving encouraging speeches at businesses and schools. Technology is very important in today’s world, and that makes him a big fan of STEM (Science, Technology, Engineering, and Math) in education. He wants students to believe that even if they struggle with science or math, they can still become an engineer or anything they want to become.
In all, Rush has broken over 300 Guinness World Records, but many of these records have been broken again. He visited the main office of Guinness World Records in London, England. During his visit, he set 15 world records in a single day.
24. What mainly drives Rush to set records


2、昆明市第一中学2025届高三第十次联考(5月)数学答案


4、昆明市第一中学2025届高三第十次联考(5月)数学答案


1、昆明市第一中学2025届高三第十次联考(5月)数学答案


5、昆明市第一中学2025届高三第十次联考(5月)数学答案


1、昆明市第一中学2025届高三第十次联考(5月)数学试题


2、昆明市第一中学2025届高三第十次联考(5月)数学答案


A．向盛有硫酸铜溶液的烧杯中加入铁粉至过量
B．分别向等质量且足量的Mg和Zn中加入等质量、等浓度的稀硫酸
C．向一定质量的硫酸铜溶液中不断加入铁粉
D．将颗粒大小相同、质量相同的铁和锌分别加入足量的同质量、同质量分数的稀盐酸中
A.铁和硫酸铜反应生成铜和硫酸亚铁，则反应过程中，烧杯中的固体质量增加，当反应结束后，烧杯中的固体还会继续增加，但增加的速率变小，该选项图像不正确；B.由于金属足量，则硫酸完全消耗，根据反应前后氢元素守恒，则生成的氢气质量相同，又由于镁比锌活泼，则镁反应速率较快，该选项图像正确；C.由于Fe＋CuSO4===FeSO4＋Cu，则反应过程中溶液质量减小，当反应停止时，溶液质量不变，该选项图像正确；D.由于消耗等质量的铁和锌时，铁产生氢气较多，且锌比铁活泼，则锌反应速率较快，该选项图像正确。
10．下列关于溶液的说法，正确的是(　A　)
A．溶液由溶质和溶剂组成


（2）铁丝在氧气中燃烧的实验中，集气瓶中预先留少量水的目的是防止高温熔融物溅落炸裂瓶底；
铁在氧气中燃烧生成四氧化三铁，化学方程式为；
铁丝在空气和氧气中反应的剧烈程度不同，原因是氧气浓度不同；
（3）用C图所示装置验证质量守恒定律，最终发现天平不平衡，原因是锌与稀盐酸反应生成氢气，氢气是气体会逸散到空气中，使得反应后物质的总质量减少，所以天平不平衡。
26．（2024九上·城阳期中）在宏观、微观和符号之间建立联系是化学学科重要的思维方式，请根据所给信息回答问题。
（1）图1是两种微粒的结构模型图。它们属于　 　(填“同种”或“不同种”)元素，依据是　 　。
（2）金属钠在氯气中燃烧生成氯化钠，图2是氯化钠形成的示意图。反应过程中，钠、氯原子通过　 　的方式形成离子，以　 　的比例相互化合形成氯化钠。由此可推知，元素的化合价与原子结构的　 　数关系最为密切、


3、昆明市第一中学2025届高三第十次联考(5月)数学答案