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试题答案

本文从以下几个角度介绍。

    1、2024百师联盟第二次联考物理
    2、百师联盟2024新高考卷物理
    3、百师联盟2024高三冲刺卷二物理

6、[百师联盟]2025届高三联考(4月)历史试题


3、[百师联盟]2025届高三联考(4月)历史试题


T: 12
L: How come Don’t you know doing more exercise is good for our health
T: Well, I am just too lazy to exercise. 13
L: I like running. I always feel happy after running.
T: 14
L: I never eat junk food. I like to eat a lot of fruit and vegetables.
T: You are great. I should learn from you and try to keep healthy.


Then，the son gave up his job，and brought his mother back to the country.He worked there as a farmer and stayed beside his mother day and night，keeping massaging（按摩） her arms and legs.
Because of her son's care，the mother decided to pick herself up.So she kept trying and trying to move her fingers.And one day about six months later，she succeeded !
Her son's care and love helped her to get well little by little.During the next two years，she could even move her body and not long after that，she had been able to take the very first step!And after five years，she was even able to dance with the children of the village ，and by now she has fully recovered and become a dance teacher.
"I believe in the power（力量） of love ，" the son said. "I never stopped believing that she would walk again." The true story just shows us an example of the power of love and that a miracle does happen.
根据材料内容选择最佳答案。
（1）From the second paragraph，what do you think the writer wants to tell us？ 　B　
A.There were only two people in this family.


1、[百师联盟]2025届高三联考(4月)历史答案


2、[百师联盟]2025届高三联考(4月)化学答案


3、[百师联盟]2025届高三联考(4月)政治答案


4、[百师联盟]2025届高三联考(4月)历史答案


6、[百师联盟]2025届高三联考(4月)物理试题


1、[百师联盟]2025届高三联考(4月)历史答案


A.④中缺少玻璃棒引流溶液 B.①中玻璃棒的作用是搅拌，加速粗盐溶解
C.上述操作顺序为③①②④ D.当②蒸发皿中出现较多固体时，停止加热
4.欲提纯下列物质，能按照“溶解一过滤一蒸发”的操作步骤达到目的的是（ ）
A.硝酸钾中混有少量氯化钠 B.酒精中混有少量水
C.铁粉中混有少量碳粉 D.氯化钙中混有少量碳酸钙
5.下列有关粗盐提纯实验中的相关装置和操作，正确的是（　　）
A.溶解粗盐 B.过滤食盐水 C.蒸发食盐水 D.冷却蒸发皿


A.C2H4(g)+3O2(g) 2CO2(g)+2H2O(g)　ΔH=-1 411 kJ·mol-1
B.C2H6(g) C2H4(g)+H2(g)　ΔH=-137 kJ·mol-1
C.H2O(l) O2(g)+H2(g)　ΔH=+285.8 kJ·mol-1
D.C2H6(g)+O2(g) 2CO2(g)+3H2O(l)　ΔH=-1 559.8 kJ·mol-1
2.★(2021浙江1月选考,20,2分)已知共价键的键能与热化学方程式信息如下表:
共价键 H—H H—O
键能/(kJ·mol-1) 436 463


3、[百师联盟]2025届高三联考(4月)化学答案