2026年华东师大版一课一练九年级英语全一册沪教版五四制第8页答案
Ⅰ. Choose the best answer(阅读短文,选择最恰当的答案)
How Smartphones and the Internet Change Teenagers

In the past, teenagers spent most of their free time outdoors or reading books. They communicated with friends mostly face to face or by writing letters. Life was slower, and social interactions developed gradually.
Today, the Internet and smartphones have transformed the way teenagers live and communicate. Teenagers can send messages instantly, make video calls, and share photos or videos online. Social media platforms allow them to connect with friends across the globe in seconds.
While this connectivity brings many benefits, such as staying in touch with friends and accessing learning resources, it also creates challenges. Teenagers may spend too much time on their devices, feel peer pressure from social media, or encounter online bullying. Excessive phone use can also distract them from studying and reduce real-life social interactions.
Despite these drawbacks, smartphones and the Internet have become an integral part of teenage life. They allow young people to explore their interests, express themselves, and keep up with the fast-paced modern world. Parents and teachers need to guide teenagers to use technology responsibly, balancing online activities with offline life.

(
B
) 1. What is the main idea of the passage?
A. Teenagers should stop using smartphones completely.
B. The Internet and smartphones have significantly changed teenage life.
C. Teenagers only face problems online.
D. Face-to-face communication is no longer important.
(
B
) 2. How did teenagers communicate before smartphones and the Internet existed?
A. Through messages and video calls.
B. Face to face and by writing letters.
C. Using social media platforms.
D. Only through school clubs.
(
D
) 3. Which of the following is NOT mentioned as a challenge of smartphone use?
A. Peer pressure.
B. Online bullying.
C. Reduced study focus.
D. Lack of interest in outdoor games.
(
A
) 4. What is the closest synonym for the word "connectivity" in Paragraph 3?
A. communication
B. isolation
C. privacy
D. freedom
(
B
) 5. Which of the following would be the most important to include in a summary of the passage?
A. Smartphones allow teenagers to explore interests and express themselves.
B. Teenagers need guidance to balance online and offline activities.
C. Social media platforms like TikTok are fun to use.
D. Teenagers only communicate online nowadays.

答案

1. B 2. B 3. D 4. A 5. B

解析

【分析】本题是围绕“智能手机与互联网如何改变青少年生活”的英语阅读理解选择题,共5道,涵盖主旨大意、细节理解、词义猜测、总结归纳等阅读技能。解题思路为:先通读全文把握整体内容,再针对每道题的类型,定位原文对应信息,逐一分析选项排除错误答案,选出最佳选项。
【解析】1. 主旨大意题:短文依次介绍过去青少年的生活状态、互联网和智能手机对青少年生活的改变、使用这些工具的利弊,最后提出引导建议,核心是互联网和智能手机显著改变了青少年的生活,故选B。2. 细节理解题:根据原文第一段“They communicated with friends mostly face to face or by writing letters”,可知过去青少年主要通过面对面或写信交流,对应选项B。3. 细节排除题:原文第三段提到的使用智能手机的挑战有同伴压力、网络欺凌、分散学习注意力,未提及“缺乏对户外游戏的兴趣”,故选D。4. 词义猜测题:第三段中“connectivity”带来“与朋友保持联系”的好处,结合前文线上交流的内容,可知其意为“连通性、交流”,对应选项A。5. 总结归纳题:全文最后一段强调需引导青少年平衡线上线下生活,这是核心总结;A仅为部分内容,C未提及,D表述错误,故选B。
【答案】1.B 2.B 3.D 4.A 5.B
【知识点】英语阅读理解、细节理解、主旨大意
【点评】本题选材贴近学生日常,考查多种基础阅读能力,题型常规,能有效检验学生的阅读理解水平,适合初中阶段学生练习。
【难度系数】0.6