《2025年阳光计划八年级英语下册人教版》

三　阅读理解
主题:保护眼睛　　文体:说明文
Finally, you finish all your schoolwork and sit back in your chair. Suddenly you feel a headache and realize your eyes are painful. What's going on? Doctors say that many students are spending too much time in front of screens, especially during online classes. The following might be of some help to you.

21. Who is the text written for?______
A. Parents. B. Students.
C. Doctors. D. Patients.
22. What are the key words in the 20−20−20 rule?______
A. 20 minutes, 20 feet, 20 times.
B. 20 seconds, 20 times, 20 feet.
C. 20 feet, 20 seconds, 20 minutes.
D. 20 times, 20 minutes, 20 seconds.
23. 二.新考法 Which of the following best explains the meaning of the underlined sentence in the text?______

24. What is the text mainly about?______
A. The reasons for eye tiredness.
B. The influence of online classes.
C. The importance of computer glasses.
D. The suggestions about eye protection.
25. In which part of a magazine can you read the text?______
A. Health. B. Sports.
C. Culture. D. Travel.

答案： 21.B解析:细节理解题。由表格第一栏中的句子“Doctors say that many students...in front of screens...”可知，这是写给学生的文章，故选B。
22.C解析:细节理解题。由表格中的“It suggests...on the screen.”可知，20−20−20规则是指:20分钟后，观察至少20英尺以外的东西20秒钟，故选C。
23.D解析:细节理解题。画线部分的句意为“坐直，离屏幕一臂远。”，由此可知，D项符合句意。
24.D解析:主旨大意题。本文主要介绍了学生保护眼睛的方法与建议，D项“关于眼睛保护的建议”符合文意。
25.A解析:文章来源题。本文与眼睛健康有关，由此可推知，我们可以在杂志的健康栏目阅读到，故选A。