D(2026·江苏扬州期中)
Short videos have quickly become a daily habit for most teenagers. With just a tap, you can laugh at funny clips, learn quick facts, or follow trending challenges. But behind their entertainment value lies hidden dangers that can affect your life in unexpected ways.
One big problem is the loss of concentration(注意力). Short videos are designed to catch your attention in seconds, with rapid cuts and eye-catching visuals. Your brain gets used to this constant stimulation(刺激), making it harder to focus on tasks that require patience, like reading textbooks, solving Maths problems, or listening to teachers. Studies show that teens who spend over 2 hours daily on short videos are 3 times more likely to have problems with concentration in class. ①
Another problem is the weakening of critical thinking. Most short videos offer simple, one-sided messages instead of encouraging deep analysis(分析). For example, a 10-second clip about "how to be successful" might make life skills seem simpler than they should be. When you're used to getting quick answers, you'll find it difficult to think carefully about information or have your own opinions—skills that are important for exams and real-life decisions. ② Wasting time is also serious. The average(平均的) teen spends 1.5 hours daily on short videos, which adds up to over 500 hours a year. That's the time you could have spent practising a sport, learning an instrument, or connecting with family.
Perhaps the most harmful influence is on self-esteem. Many short videos show unrealistic lifestyles—perfect bodies, expensive gadgets, and non-stop fun. Comparing your ordinary life to these "perfect" ones can fill you with a sense of loss. ③ Psychologists(心理学家) say that heavy users often report feelings of anxiety or envy, especially when they can't "keep up" with what they see online.
④ They can connect you with new ideas or brighten a tough day. The key is balance. Set a daily limit, choose what teaches you something, and remember: what you see on screen is hardly real life. Prioritize(优先处理) activities that help you grow, and you'll avoid the hidden dangers.
(
B
)12. Why do students have concentration problems in class after watching short videos?
A. They are tired from staying up late.
B. Their brains get used to quick stimulation.
C. They are not interested in study subjects.
D. Short videos help them to avoid difficult tasks.
(
A
)13. Short videos have a harmful influence on teenagers in the following ways EXCEPT
A
.
A. improving social skills
B. wasting valuable time
C. weakening critical thinking
D. lowering self-esteem
(
D
)14. 创新考法—句子还原 "Short videos aren't all bad." This sentence can be put in
D
.
A. ① B. ② C. ③ D. ④
(
C
)15. What can we infer from the passage?
A. All short videos are designed to trick teenagers.
B. Spending 1 hour daily on short videos is safe.
C. Balancing short video use is important for growth.
D. Teenagers who watch short videos perform poorly in exams.
