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试题答案

本文从以下几个角度介绍。

    1、2024炎德英才大联考长沙市一中高三月考试卷二

4、2025届炎德英才大联考长沙市一中高三月考试卷(七)英语试题


3、2025届炎德英才大联考长沙市一中高三月考试卷(七)语文试题


Winning the award gave her a strong sense of pride. 获奖让她充满自豪感。
enhance understanding 增进理解
Reading books can enhance your understanding of the world. 阅读书籍能增进你对世界的理解。
impressed by 对…印象深刻
The judges were impressed by her performance. 评委们对她的表演印象深刻。
in various ways 以多种方式
Technology has changed our lives in various ways. 科技以多种方式改变了我们的生活。


The Chinese calendar has 24 solar terms. Jingzhe is from March 5 to 20 this year. It is a special and meaningful period during the year. This solar term means the temperature and rainfall rise. It’s the third solar term in a year. Its name means animals sleeping in winter wake up and everything comes alive. The world seems to be filled with new energy during this time.
In the past, people thought thunder woke the insects. But modern research shows it’s the warmer temperature and more wet soil that really wakes up the insects. This discovery helps us better understand the natural phenomenon (现象).
Jingzhe is very important for farmers. It’s seen as the start of the busiest farming time. Old sayings like “once Jingzhe comes, spring plowing (春耕) never rests” show its importance. During this time, most parts of China experience a rapid increase in temperatures and there’s more sunshine, which is good for farming. Farmers are busy preparing the land with great enthusiasm.
Eating pears during Jingzhe is a common custom in China. One reason is that the Chinese word for “pear” sounds the same as the character meaning “to leave”. So eating pears shows people's wish to drive pests away for a good harvest. Also, in traditional Chinese medicine, pears are sweet, juicy and cold. They’re good for the lungs and can prevent or ease (缓解) coughs when the weather gets warmer and drier. This is particularly beneficial when people feel thirsty and have dry tongues because of the changing climate. People enjoy this healthy and traditional practice.
12. Why is Jingzhe a special and meaningful period during the year
A. It is the third solar term in a year. B. The temperature and rainfall rise.
C. It is the time when animals store their energy. D. It is the time when everything becomes alive.


2、2025届炎德英才大联考长沙市一中高三月 卷(七)历史试题


3、2025届炎德英才大联考长沙市一中高三月考试卷(七)语文试题


4、2025届炎德英才大联考长沙市一中高三月考(七)物理试题


5、2025届炎德英才大联考长沙市一中高三月考试卷(七)语文试题


4、2025届炎德英才大联考长沙市一中高三月考试卷(七)地理试题


2、2025届炎德英才大联考长沙市一中高三月考试卷(七) 数学试题


18. （4分）（1）放热 （2）隔绝氧气 （3）不活泼 （4）不溶
19. （4分）（1）单质 （2）碳原子排列方式不同 （3）A （4）CO
20. （4分）（1）不可再生 （2）C （3）2H2+O22H2O （4）CO+2H2CH3OH
21.（5分）（1） Fe 3Fe+2O2Fe3O4
（2）3C+2Fe2O34Fe+3CO2↑ Fe2O3 （3）CO2+C2CO
三、实验题（本大题包括2个小题，每空1分，共11分）
22. （5分）（1）试管 （2）③


(3)防倒吸
(4)先生成蓝色沉淀，后蓝色沉淀逐渐溶解，溶液变为深蓝色
(5)降低溶剂的极性，利于结晶析出
(6)轻轻靠一下锥形瓶内壁
(7)
【分析】装置A中生成氨气，反应产生的氨气通入B中，先产生氢氧化铜蓝色沉淀，继续向B中通入氨气，氢氧化铜溶解，生成硫酸四氨合铜，再滴入95%的乙醇析出，分离出，溶解后和氢氧化钠反应释放出氨气被稀盐酸吸收，通过滴定剩余盐酸溶质的量可以计算生成氨气的量，进而计算硫酸四氨合铜晶体的纯度。
【详解】（1）根据装置图，仪器X的名称为普通漏斗；


3、2025届炎德英才大联考长沙市一中高三月考试卷(七)数学答案