Unit2 知识点-Project练习 2025-2026学年人教版八年级英语下册

八年级英语下册Unit2知识点-Project练习 小试牛刀 A. 句型转换(改为一般疑问句并作肯定或否定回答) 1. You should reduce screen time to protect your eyes. 一般疑问句:_ 肯定回答:_ 否定回答:_ 2. Using a phone for a long time can cause eye strain. 一般疑问句:_ 肯定回答:_ 否定回答:_ 3. You have tired eyes and a headache. 一般疑问句:_ 肯定回答:_ 否定回答:_ 配套练习 A. 单项选择( ) 从A、B、C、D中选择最佳答案。 1. What is a common cause of digital eye strain? A. Reading a book. B. Using a phone or computer for a long time. C. Playing outdoor sports. D. Sleeping too much. 2. Which of the following is NOT a symptom of eye strain? A. Tired eyes. B. Dry eyes. C. Double vision. D. Stronger eyesight. 3. What should you do to avoid eye strain? A. Use your phone in the dark. B. Look away from devices frequently. C. Watch TV for hours. D. Never visit an eye doctor. 4. The phrase “look away from devices” means _. A. 盯着设备 B. 远离设备看别处 C. 关闭设备 D. 靠近设备 5. — Why should we reduce screen time? — Because it helps _ eye strain. A. cause B. prevent C. get D. increase B. 完成句子( ) 根据健康小册子的内容,用正确的词汇完成句子。 1. 长时间使用手机或电脑可能会导致数字眼疲劳。 _ a phone or computer for a long time _ cause digital eye strain. 2. 你可能会出现眼睛疲劳、眼睛干涩、头痛或重影。 You may have _ eyes, _ eyes, headache or double vision. 3. 你应该减少看屏幕的时间。 You should _ screen _. 4. 如果你经常遭受眼疲劳,请去看眼科医生。 If you often _ from eye strain, _ an eye doctor. 5. 健康不是一切,但没有健康你将一无所有。 Health is not everything, but you have _ without it. 拓展思考 写一段话(至少5句)给你的同学,建议他们如何保护视力。说明眼疲劳的原因、症状以及至少三条建议。使用 should / should not / because / for example 等表达。 _ _ _ _ _ 参考答案与解析 小试牛刀 A 1. Should I reduce screen time to protect my eyes? Yes, you should. / No, you shouldn't. 2. Can using a phone for a long time cause eye strain? Yes, it can. / No, it can't. 3. Do you have tired eyes and a headache? Yes, I do. / No, I don't. 配套练习 A 1. B 2. D 3. B 4. B 5. B 配套练习 B 1. Using; can 2. tired; dry 3. reduce; time 4. suffer; visit 5. nothing 拓展思考(示例) Dear classmates, many of us use phones or computers for a long time. This can cause digital eye strain. You may have tired eyes, dry eyes, headaches, or even double vision. To protect your eyes, you should reduce screen time. For example, take a 10-minute break every hour. Also, you should look away from your device frequently and look at something far away. If you often feel eye strain, you should visit an eye doctor. Remember, healthy eyes help you study and play better. Let's take care of our eyes! 1 学科网(北京)股份有限公司 $