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3、[安徽金榜教育]2024-2025学年高一下学期期末数学试题


1、[安徽金榜教育]2024-2025学年高一下学期期末数学试题


四听三遍录音,将图片放入合适的位置。(4分)》
Dad:I'd like a cup of tea and a hamburger
2,
Waiter:4.
Dad:Thank you.5.
are they
Waiter:Forty-two yuan,please.


A.On a community website. B.In a travel guide.
C.On a school website. D.In a storybook.
B
Recently, dazi socializing (交往) has become a new favorite thing to do among young people.It's a new way to connect with others.Unlike close friends who need to keep in close contact, a dazi is a more temporary social partner.
The term “dazi” comes from the Shanghai dialect(方言).It means “card-playing partners” at first.Later, people who take part in certain activities together are commonly called “dazi”.
Nowadays, many young people on social media platforms (平台) look for different types of partners, like travel dazi, study dazi, exercise dazi and lunch dazi.Zhouzhou, a girl from Shenzhen, was born in the 2000s.For this year's May Day holiday, she planned to travel but couldn't find an excellent partner in her social circle.Finally, she chose a college student studying in Changsha, Hunan Province, as a travel dazi for the trip.
Zhouzhou said she first told her travel dazi about a few famous places that she wanted to visit, and then her travel dazi made a plan that met her needs._______▲_______ However, Zhouzhou said she felt that her travel dazi's personality was quite similar to her own.The dazi planned the trip very carefully and they had a great trip together.“Friends may be the people closest to you, but it's better to find like-minded dazi to take part in some activities together,” Zhouzhou said.


3、[安徽金榜教育]2024-2025学年高一下学期期末数学试题


4、[安徽金榜教育]2024-2025学年高一下学期期末数学试题


6、[安徽金榜教育]2024-2025学年高一下学期期末数学试题


4、[安徽金榜教育]2024-2025学年高一下学期期末数学试题


3、[安徽金榜教育]2024-2025学年高一下学期期末数学试题


3、[安徽金榜教育]2024-2025学年高一下学期期末数学试题


(4)根据氯化镁在通电的条件下反应生成镁和氯气分析;
(5)根据可循环利用的物质既是反应物又是生成物分析。
27.【答案】(1)H2SO4;搅拌
(2)防止NH4HCO3分解
(3);温度高于450℃时,MnO2会分解成Mn2O3和O2
【知识点】酸的化学性质;盐的化学性质;物质的相互转化和制备
【解析】【解答】(1)硫酸能和二氧化锰反应生成硫酸锰、氧气和水,“酸浸”时,可选用的酸为硫酸,其化学式为:H2SO4;


15.氧化沉淀法是制取的一种常见方法,其制取流程如图所示:
(1)副产品是      (填写化学式),由溶液获得该副产品的操作是:加热浓缩→      →过滤洗涤→晶体加热至完全失去结晶水。
(2)已知可以和反应,有沉淀的生成,A同学利用下列各图方案制备能较长时间看到白色沉淀的是___________。
A.①②③    B.②③④    C.①③④    D.①②④
(3)查阅资料可知月球土壤中富含铁元素,主要以铁单质和亚铁离子的形式存在,但嫦娥五号取回的微陨石撞击处的月壤样品中存在大量的,有可能是以下哪个原因造成的___________。
A.       B.
C.        D.


3、[安徽金榜教育]2024-2025学年高一下学期期末数学答案