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试题答案

本文从以下几个角度介绍。

    1、2024黑龙江三省四市二模理综
    2、黑龙江2024年高三第二次联合模拟考试
    3、2024年黑龙江高中化学会考试卷
    4、黑龙江省2024高三二模
    5、2024黑龙江高考化学
    6、2024黑龙江高三二模理综答案
    7、2024年黑龙江省高考化学
    8、2024黑龙江高三二模理综
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    10、黑龙江省三校二模2024年答案理综

3、黑龙江2024~2025学年度高三第三次综合模拟卷(4月)政治试题


2、黑龙江2024~2025学年度高三第三次综合模拟卷(4月)化学试题


The landline (座机) was an impressive presence in the house where I grew up. On the rare and alarming occasions when it rang, there was an inflexible polite sentence for answering: “Sittingbourne 981, who is speaking, please ”
The phone both was and wasn`t an instrument of communication. The occasions for its use were clearly defined — and random chatting wasn’t one of them. Its situation in the front hail, from where every word could be heard throughout the house, was an effective solution to the endless conversations that are (or were) the favourite occupation of teenagers.
Later mobile phones appeared. Now only 47 per cent of households have a home phone. Times are changing, and the message from the advocates of digital technology is that we should change with them. In many ways this is a reasonable proposition. My smartphone can tell me how to get from one place to another, answer questions about unknown 19th-century artists or medical symptoms.
However, when it comes to that most basic function of a telephone — talking to people — my smartphone is rubbish. On moving into my new house, in a village 50 miles from the capital, I was unsurprised to discover almost no phone signal. In the ten days that it took for broadband (宽带) to be connected, I found myself in the bush — the only place where there was a bar of signal, trying to talk about an urgency with a doctor. It was at once blackly comic and severely frustrating. I began to understand why my son swerve (急转) phone calls in favour of messaging, socials and voice notes.
Yet long before the appearance of telecommunications, printing, or even writing, speech was the most fundamental of human interactions. Talking on the phone or in person is hard work, because it demands an ability to listen. However, it almost certainly matters a lot. Now phone calls are dying. The art of conversation may not be far behind. Smartphones are updating very quickly.
12. Why was the author’s landline improper for random chatting
A. It was usually occupied by teenagers.


After school, I get/arrive/reach home at 6 o’clock.
② arrive(in/at)和 get(to)可进行同义转换。
They must arrive at/get to the village at8:00 today.今天他们必须在8点到达那个村庄。
They usually arrive/get home at 11: 30 in the morning.他们通常在上午11点半到家。
It is raining hard.I am afraid that we can't get to the airport on time. （同义替换）______
A.arrive at B.get along with C.take part in D.go to
4、Wear the school uniform. 穿校服。


2、黑龙江2024~2025学年度高三第三次综合模拟卷(4月)政治答案


1、黑龙江2024~2025学年度高三第三次综合模拟卷(4月)历史答案


3、黑龙江2024~2025学年度高三第三次综合模拟卷(4月)历史答案


6、黑龙江2024~2025学年度高三第三次综合模拟卷(4月) 答案


3、黑龙江2024~2025学年度高三第三次综合模拟卷(4月) 试题


2、黑龙江2024~2025学年度高三第三次综合模拟卷(4月)历史答案


2．(2023·兰州期中)下列反应既属于放热反应，又属于非氧化还原反应的是(　　)
A．锌与稀盐酸反应制取氢气
B．灼热的炭与二氧化碳反应
C．NaOH与HCl的中和反应
D．NH4Cl晶体与Ba(OH)2·8H2O混合搅拌
答案　C
解析　锌与稀盐酸反应制取氢气是放热反应，该反应中Zn、H元素的化合价发生变化，为氧化还原反应，故A错误；碳和二氧化碳的反应是吸热反应，该反应中碳元素的化合价发生变化，为氧化还原反应，故B错误；NaOH与HCl的反应为中和反应，中和反应是放热反应，该反应中无元素化合价发生变化，故C正确；NH4Cl晶体与Ba(OH)2·8H2O混合搅拌为吸热反应，该反应中各元素的化合价都不变化，为非氧化还原反应，故D错误。


为验证上述假设假设，甲同学继续进行如下实验，但均未检测出Cu+。
序号 实验 加入试剂或操作
实验Ⅱ 加热试管
实验Ⅲ 加入CuSO4固体，振荡
(3)乙同学用CuCl2溶液代替CuSO4溶液进行实验：
实验Ⅳ
实验Ⅳ中发生的离子反应方程式为 。


3、黑龙江2024~2025学年度高三第三次综合模拟卷(4月)生物答案