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试题答案

本文从以下几个角度介绍。

    1、海南省2024-2024学年第一学期高一期末考试语文
    2、海南省2024~2024年度上学期高一年级调研考试
    3、海南2024~2024学年第一学期高一年级期末联考
    4、海南省2024年高一学业水平考试试题
    5、海南省2024-2024学年高二上学期期末联考语文试题
    6、2024海南高一期末考试
    7、2024海南省高一下期末卷
    8、海南省2024年高一合格性考试
    9、海南高一语文期末试卷
    10、2024海南高一合格考试卷

3、高中2025-2026学年海南高一年级阶段性教学检测(一)1数学试题


3、高中2025-2026学年海南高一年级阶段性教学检测(一)1生物试题


Some kids spend almost all their free time watching television or using a computer. Here are two reasons why this is not good:
Not Getting Enough Exercise
When you sit in front of a television or computer, you do not move very much. This means your body is not getting exercise. People need exercise every day to stay healthy. Exercise helps the blood flow (流动) around inside the body. This is very important. Getting exercise can help you sleep well at night. It is easy for you to learn well at school if you have a good sleep.
Not Spending Enough Time with Friends
Spending time with friends is an important part of growing up. It helps you learn how to get along with other people. If you are sad or worried about something, talking with a friend can help you feel better. Playing and laughing with friends are fun ways to spend time.
It is fine to watch television and play computer games just for fun. Make sure you do not spend too much time on the computer or watching television. Go outside, enjoy the fresh air, and do something active with friends. Then you will have a healthy and happy life!
31. Why is spending almost all free time watching TV or using a computer not good Please list one reason.


D．What can we learn from the story
54．What is the last paragraph about
A．The reasons why English is used widely around the world.
B．The ways to learn English quickly.
C．The countries where people use English.
D．More and more people are learning English.
55．In which column (栏目) of a newspaper can we probably find the reading


4、高中2025-2026学年海南高一年级阶段性教学检测(一)1生物学答案


2、高中2025-2026学年海南高一年级阶段性教学检测(一)1物理答案


1、高中2025-2026学年海南高一年级阶段性教学检测(一)1 答案


6、高中2025-2026学年海南高一年级阶段性教学检测(一)1物理答案


3、高中2025-2026学年海南高一年级阶段性教学检测(一)1数学试题


4、高中2025-2026学年海南高一年级阶段性教学检测(一)1生物学答案


[C]直接影响所有物质的熔、沸点
[D]稀有气体的原子间存在范德华力
【答案】 D
【解析】 范德华力是分子间存在的较弱的相互作用力,它不是化学键且比化学键弱得多,只能影响由分子构成的物质的熔、沸点;稀有气体是由单原子构成,原子间存在范德华力。
2.下列说法正确的是(　　)
[A]分子间作用力越大,分子越稳定
[B]分子间作用力越大,物质的熔、沸点越高


故选B。
18.C
【解析】A、选取量筒时，尽量选用能一次量取的最小规格的量筒。用50mL量筒量取5mL液体，误差太大，量筒选择不合理，故选项操作错误；
B、细口瓶倾倒液体至接近5mL时，再改用胶头滴管加液到刻度线，故选项操作错误；
C、向量筒中倾倒液体接近5mL时，再改用胶头滴管加液到刻度线，故选项操作正确；
D、量筒读数时视线要与量筒内液体的凹液面的最低处保持水平，故选项操作错误。
故选：C。


3、高中2025-2026学年海南高一年级阶段性教学检测(一)1化学答案