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试题答案

本文从以下几个角度介绍。

    1、学海园大联考2024信息卷二物理
    2、学海园大联考2024二
    3、学海园大联考2024信息卷一数学
    4、学海园大联考2024语文信息卷一
    5、学海园大联考2024信息卷一生物
    6、学海园大联考2024冲刺卷二理综
    7、学海园大联考2024理综
    8、学海园大联考2024信息卷一数学答案
    9、学海园大联考2024信息卷二
    10、学海园大联考2024信息卷二理综

3、[学海园大联考]2025届高三信息卷(一)1历史(河北)试题


3、[学海园大联考]2025届高三信息卷(一)1历史(河北)试题


As the flight was 41 , a weak 94-year-old woman struggled to find her seat. She appeared 42 and had difficulty passing the narrow aisle (过道). The flight attendant noticed her 43 and was about to assist when a gentleman seated in first class caught her 44 .
With a kind smile, he asked, “Can you please put her in my seat I’ll take hers.” Without hesitation, the man 45 and accompanied the flight attendant to the back of the 46 , where the elderly woman was seated. When he offered his first class seat to her, she was deeply 47 . “Never in my 94 years has someone done that for me,” she said, her voice trembling with 48 . She gave him a big hug, tears welling up in her eyes. “Thank you, young man,” she added, 49 moved by the unexpected kindness.
The simple 50 had a ripple effect on the entire flight. The flight attendant 51 how the mood on the plane shifted as passengers witnessed the man’s act.
It was amazing how his thoughtful act changed the 52 of everyone on the flight. In a time when the world often feels overwhelming, this story is a beautiful 53 that even the smallest acts of kindness can have a profound impact. His 54 not
试卷第 1 页，共 3 页
only made a 94-year-old woman’s day but also left a lasting impression on everyone who
55 it.


11. What does Mr. Smith teach
A、Chinese. B. English. C. Physics.
12. Why doesn’t Mr. Smith want to take a rest
A. He has to help his students prepare for the exam.
B. He has trouble sleeping.
C. He wants to visit a friend.
听下面一段较长对话，回答以下小题。


4、[学海园大联考]2025届高三信息卷(一)1化学(河北)试题


2、[学海园大联考]2025届高三信息卷(一)1地理(河北)试题


1、[学海园大联考]2025届高三信息卷(一)1生物学(河北)试题


3、[学海园大联考]2025届高三信息卷(一)1化学(河北)试题


3、[学海园大联考]2025届高三信息卷(一)1物理(河北)试题


4、[学海园大联考]2025届高三信息卷(一)1 (河北)试题


步骤1：准确称取一定质量晶体，完全溶解于一定量水中；
步骤2：使溶液通过负离子交换柱，并用蒸馏水冲洗交换柱，收集所有过柱液体(已知离子交换反应：。
步骤3：以甲基橙为指示剂，用标准盐酸滴定过柱液体至终点。
①判断终点的现象为　 　。
②步骤2中未用蒸馏水冲洗交换柱，则测得的结晶水数目　 　。
A．偏大 B．偏小 C．不变
18．（12分）工业合成氨反应是在催化剂表面上进行的，其反应历程如下(*表示吸附态)：


4．根据以下热化学方程式，和的大小比较错误的是
A． ， ，则
B． ， ，则
C． ， ，则
D． ， 则
5．图像法是研究化学反应的一种常用方法。已知化学反应A2(g)+B2(g)=2AB(g)的能量变化曲线如图所示，则下列叙述中正确的是
A．A2(g)+B2(g)=2AB(g)是一个放热反应


3、[学海园大联考]2025届高三信息卷(一)1化学(河北)答案