2026年同步练习册智慧作业八年级英语下册人教版第20页答案
C
For teenagers, staying positive is not just about feeling happy—it plays a key role in their physical and mental development. A positive attitude can help teens deal with challenges better and grow into healthy, confident people.
Mentally, positivity helps teens adapt themselves to the environment better. When facing difficulties like poor exam results or arguments with friends, optimistic teens are more likely to think,"I can try harder next time" instead of giving up."Whenever I feel down, I remind myself that setbacks are just short-term," said 16-year-old Chen Xi. This way of thinking also reduces the risk of feeling anxious or sad for a long time, keeping their mental health in good shape.
Physically, a positive mood benefits teens' bodies too. Studies show that happy teens often sleep better and have stronger immune systems. They are also more willing to take part in sports and eat healthy food—habits that support their growth. On the other hand, long-term negative feelings may make them feel tired easily and even affect their appetite.
To stay positive, teens can do small things every day: write down three things they are grateful for, spend time with positive friends, or do hobbies they enjoy. Remember, keeping an optimistic heart is a powerful tool for a healthy teenage life.
(
D
)24. What is the main topic of the passage?
A. How teens can improve their exam results.
B. How to make more positive friends.
C. Why teens often feel anxious or sad.
D. The importance of positivity for teens' physical and mental development.
(
D
)25. How does positivity help teens mentally?
A. It helps them get better grades quickly.
B. It lets them sleep longer every day.
C. It makes them avoid all arguments with friends.
D. It helps students to protect their mental health.
(
A
)26. What does Chen Xi's words show?
A. Optimistic teens view setbacks as temporary.
B. Poor exam results make teens feel down.
C. Teens should give up when facing difficulties.
D. Friends are more important than grades.
(
D
)27. Which of the following is a way to stay positive?
A. Ignoring all difficult problems. B. Staying alone all the time.
C. Eating lots of junk food. D. Writing down things to be grateful for.

答案

24.D 25.D 26.A 27.D

解析

【分析】
本题为英语阅读理解题,包含4道选择题,涉及主旨大意和细节理解考点。解题思路如下:1. 先通读全文,把握文章核心主题:积极态度对青少年身心发展的重要性;2. 针对每道题目,根据题干关键词定位原文对应段落,逐一比对选项与原文信息,排除错误选项,选出正确答案。
【解析】
24题:本题为主旨大意题。文章首段点明积极态度对青少年身心发展的关键作用,第二段阐述心理层面的帮助,第三段阐述身体层面的益处,整体围绕积极态度对青少年身心发展的重要性展开,对应选项D。A选项“提高考试成绩”、B选项“交更多积极朋友”、C选项“青少年焦虑悲伤的原因”均非文章主旨,排除。
25题:本题为细节理解题,定位原文第二段。第二段最后提到积极思维能减少长期焦虑或悲伤的风险,保持心理健康,对应选项D。A选项“快速提高成绩”、B选项“每天睡更久”(睡眠是身体层面益处)、C选项“避免所有朋友争吵”均与原文不符,排除。
26题:本题为细节理解题,定位原文第二段陈曦的话“setbacks are just short-term”,意为挫折是暂时的,对应选项A。B选项“差成绩让青少年沮丧”、C选项“面对困难放弃”、D选项“朋友比成绩重要”均与陈曦的话无关,排除。
27题:本题为细节理解题,定位原文第四段。第四段提到保持积极的方法包括“write down three things they are grateful for”,对应选项D。A选项“忽略所有难题”、B选项“一直独处”、C选项“吃大量垃圾食品”均与原文方法不符,排除。
【答案】
24.D 25.D 26.A 27.D
【知识点】
英语阅读理解(主旨大意、细节理解)
【点评】
本文是一篇关于青少年积极态度重要性的说明文,题目侧重考查学生对文章主旨和细节信息的定位与理解能力,难度适中,只要能准确找到原文对应内容即可轻松解答。
【难度系数】
0.6