点击英文绘本阅读 享受读书的快乐
为了丰富同学们的阅读种类，
我们增加了一些NON-FICTION内容。
目前选择的是21世纪学生英文报，
可以在了解时事，紧跟时代步伐的同时，
提高我们的英文阅读能力！
内容来源：《21世纪英文报》 初一第766期
版权归《21世纪英文报》所有，如有侵权请及时联系删除
Switch off for a good sleep
词数150 建议阅读时间5分钟
Playing with your phone before bedtime makes it hard to sleep. TUCHONG
睡前玩手机会导致失眠吗？
Do you play with your phone before bedtime? You may want to read a book instead. According to a US study, looking at screens at night can cause us to sleep poorly.In the evening, our bodies make melatonin (褪黑素). Melatonin helps us feel sleepy and relaxed. It’s an important part of our sleep cycle (周期). Our electronic screens stop that cycle from working normally (正常地).Why? Phones, computers and TVs make blue light. Blue light stops our bodies from making melatonin. Even just a little bit of blue light can have an effect (影响). Eight minutes of blue light can keep your brain (大脑) “awake” for another hour, according to the study. Even if you fall asleep, you may have lots of dreams. Your brain won’t have a good rest.It’s even worse if you play an exciting game before bed. Games make our hearts beat faster, so we have a harder time falling asleep. Then, when we fall asleep, we don’t get enough “deep sleep”.
【重点词汇】
according to 根据
melatonin [ˌmeləˈtəʊnɪn]n. 褪黑素
sleep cycle [sliːpˈsaɪkl] 睡眠周期
electronic screen [ɪˌlekˈtrɒnɪk skriːn] 电子屏幕
normally [ˈnɔːməli] adv.正常地
effect [ɪˈfekt] n.影响
brain [breɪn] n.大脑
deep sleep 深度睡眠
【阅读理解练一练】
1. What is the story mainly about?
A. How to get a good sleep.
B. Why scientists need to study sleep.
C. How playing with phones leads to poor sleep.
D. Why some people have lots of dreams.
文中相应句子
According to a US study, looking at screens at night can cause us to sleep poorly.
Our electronic screens stop that cycle from working normally (正常地).
Your brain won’t have a good rest.
Games make our hearts beat faster, so we have a harder time falling asleep. Then, when we fall asleep, we don’t get enough “deep sleep”.
2. What can we learn about melatonin?
A. Too much of it makes us sleep poorly.
B. It makes us feel hungry and tired.
C. It helps us fall asleep at night.
D. It stops our sleep cycle from going normally.
文中相应句子
Melatonin helps us feel sleepy and relaxed.
3. How do electronic screens make it hard for us to sleep?
A. They cannot make us feel relaxed.
B. Their blue light breaks our sleep cycle.
C. They make more melatonin than our bodies need.
D. Our brains need more time to make dreams.
文中相应句子
Phones, computers and TVs make blue light. Blue light stops our bodies from making melatonin.
4. What does the word “awake” in Paragraph 3 mean?
A. feeling nothing
B. dreaming a lot
C. having a rest
D. being sleepless
文中相应句子
Eight minutes of blue light can keep your brain (大脑) “awake” for another hour, according to the study. Even if you fall asleep, you may have lots of dreams. Your brain won’t have a good rest.
5. What can we learn from the last paragraph?
A. Playing games helps us go to sleep quickly.
B. Getting enough deep sleep is important.
C. Our hearts beat more slowly when we play games.
D. It’s good for us to play exciting games before bedtime.
文中相应句子
It’s even worse if you play an exciting game before bed. Games make our hearts beat faster, so we have a harder time falling asleep. Then, when we fall asleep, we don’t get enough “deep sleep”.
参考答案见下期
上期答案：DCAC
你睡觉前玩手机吗？你可能想读一本书来代替。根据美国的一项研究，晚上看屏幕会导致我们睡眠不良。
晚上，我们的身体会分泌褪黑素. 褪黑素帮助我们感到困倦和放松。这是我们睡眠周期的重要组成部分. 我们的电子屏幕阻止了我们睡眠周期的正常运行.
为什么？手机、电脑和电视发出蓝光。蓝光阻止我们的身体产生褪黑素。哪怕是一点点蓝光也会产生影响. 根据研究，八分钟的蓝光可以让你的大脑再保持清醒一个小时。即使你睡着了，你也可能会做很多梦。你的大脑不会得到很好的休息。
如果你在睡前玩一场激动人心的游戏，情况会更糟。游戏让我们的心跳加快，所以我们很难入睡。之后，当我们入睡时，我们无法拥有足够的“深度睡眠”。
使用这些小贴士来获得良好的睡眠
每天晚上有一个放松的习惯。洗个热水澡或看书。
睡在一个黑暗、安静、不太热也不太冷的房间里。
数羊。这是最古老的把戏，而且它确实能奏效！
不要吃大餐或摄入咖啡因。相反，喝牛奶。
睡前三小时不要到处跑或锻炼身体。
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