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阅读理解-阅读单选(约350词) | 容易(0.94) |
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文章大意:本文是一篇说明文。文章主要讲述了研究发现,睡前使用电子产品,蓝光会抑制人体褪黑素的合成。褪黑素被抑制会让人迟迟无法入睡,从而减少正常睡眠时间,并给出一些减少睡前使用电子产品的建议。

1 . We know it can be hard to put your phone to bed before you sleep. However, if you’re trying to improve your sleep, you really should ditch your phone at least an hour before bedtime. Luckily, our experts can help.

Scientific evidence suggests that the blue light emitted from your phone, tablet, computer, and TV suppresses (抑制) your body’s production of melatonin, a hormone (荷尔蒙) that plays an important role in your sleep cycle. Melatonin release in the evening helps you relax before bedtime. A 2013 study that analyzed technology use and sleep patterns with data from a National Sleep Foundation poll found that using devices like phones was tied to more sleep disruption than electronics that aren’t interactive.

Many of us use the excuse that our mobile devices serve as our wake-up calls, or keep them nearby to use meditation apps. If you want to use your phone as an alarm, consider setting it a couple of hours before you turn in for the night, and then setting the phone itself to bedtime mode for the rest of the evening.

Here’s another groundbreaking idea: You could get a real alarm clock. After reviewing them at Reviewed, we recommend the Sharp Dream Caster. Not only is it easy to set a wake-up time, the clock includes white noises and rain noises to help you sleep, plus a number of volume settings to pick what works best for you.

But an alarm clock won’t help you avoid doom-scrolling through social media. Take things a step further by avoiding using electronic devices. You can try reading a book (one made of paper), taking a bath or drinking a cup of chamomile tea.

Finally, if you want to keep up your meditation practice screen-free, consider the Morphée. It looks like a little music box and comes with a variety of breathing exercises and soundscapes to help you get to sleep.

1. What does the underlined word “ditch” in paragraph 1 probably mean?
A.Set aside.B.Pick up.C.Show off.D.Turn to.
2. What may be caused by the suppression of melatonin?
A.Relaxing yourself before bedtime.
B.Sleeping less than you normally would.
C.Adapting to your sleep cycle more easily.
D.Reducing the pressure from screen use.
3. Why is the Sharp Dream Caster recommended?
A.It is sold at a lower price.B.It can predict a heavy rain.
C.It is controlled by cellphone.D.It helps put your eyes together.
4. What is suggested for better sleep according to paragraph 5?
A.Making the best of the eco-friendly products.
B.Making a change according to circumstances.
C.Establishing a bedtime routine without electronics.
D.Keeping a consistent bedtime and wake-up time.
阅读理解-阅读单选(约340词) | 容易(0.94) |
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文章大意:这是一篇说明文。文章主要介绍了屏幕时间如何影响孩子的发展。

2 . Handing your baby a phone or a tablet to play with may seem like a harmless solution when you’re busy, but it could actually affect their development, a new study has found.

Having anywhere from one to four hours of screen time per day at age l is linked with higher risks of developmental delays in communication skills, fine motor skills, personal and social skills,and problem-solving skills by age 2, according to a study of 7,097 children published in the journal JAMA Pediatrics. The study measured how many hours children used screens per day at age 1 and how they performed in these developmental domains (领域) at ages 2 and 4. Both measures were according to the mothers’ self-reports.

By age 2, those who had had up to four hours of screen time per day were up to 3 times more likely to experience developmental delays in communication and problem-solving skills. Those who had spent four or more hours with screens were 4.78 times more likely to have underdeveloped communication skills,1.74 times more likely to have poor performances in fine motor skills and two times more likely to have underdeveloped personal and social skills by age2. By age 4, risk remained only in the communication and problem-solving categories.

“One of the areas that is relatively understudied in the whole screen time literature is looking at the impacts of screen exposure on very young kids, especially when screens are introduced to babies,” said Dr. John Hutton, an associate professor of general and community pediatrics (儿科) at Cincinnati Children’s Hospital Medical Center. “It’s definitely a global concern, and I think the findings should really be applied to other countries as well.”

“Technology use can take time away from interpersonal relationships that develop social skills since real people are more multidimensional than characters on a screen.” Hutton added. Looking at people’s faces is when our brains turn on to figure out how to interact with them.

1. What does the new study focus on?
A.A baby’s mental health.B.Children’s developmental skills.
C.A kid’s academic performance.D.Students’ creative abilities.
2. What is the main research method used in the study?
A.Analyzing data.B.Giving examples.
C.Reviewing literature.D.Doing experiments.
3. What does Dr.John Hutton suggest?
A.The impact of screen exposure should be studied.
B.The findings should be applied to certain countries.
C.Global attention should be paid to kids’ screen hours.
D.Screens should be introduced to more and more babies.
4. What can be a suitable title for the text?
A.What Faults Can Be Found with Screens
B.What Difficulties A Young Kid Will Face
C.How Screens Change Developmental Skills
D.How Screen Time Influences Kids’ Development
阅读理解-阅读单选(约210词) | 容易(0.94) |
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文章大意:这是一篇说明文。文章介绍了网络用语的发展,以及各界人员对于网络用语的态度。

3 . “Shuan Q” is a meme(网络流行语)which can be used as a popular way to say “I’m speechless” with a matching emoji(表情包)at ached behind. No-one can deny the power of the Internet. Some believe it makes language weaker but some see a brighter side, believing it makes online communication easier between strangers.

An elementary school teacher in Hangzhou, Zhejiang province, says that the evolution of Internet slang is not all fun and carefree. From his daily observations, he believes the “geographic boundary” between Internet slang and formal language is disappearing. On many occasions, the composition she has received from pupil have been flooded with abbreviated slangs(网络梗).

During last year’s Two Sessions, several representatives put forward proposals such as “regulating online language” and “banning vulgar(粗俗)words”, specifically to address this issue, expressing the need to reduce online language misuse and strengthen the protection of Chinese.

However, many experts and scholars of linguistics and communication including Feng Zhiwei disagree. Feng, believes that Internet language is a natural product of the dynamic development of language, and it is not necessary to ban it.

1. What made the meme “Shuan Q” become popular?
A.The power of internetB.The protection of Chinese
C.Geographic boundaryD.Strangers’s communication
2. What can we learn about internet slangs from paragraph 2 and 3?
A.They are formal.B.They are funny and carefree.
C.They are flooded among pupils.D.They were supported by all people.
3. What is Feng Zhiwei’s opinion about internet slangs?
A.They are natural.B.They are misused.
C.They should be banned.D.They are disappearing.
4. Which word best describe the authors attitude to internet slangs?
A.DoubtfulB.ObjectiveC.IndifferentD.Favorable
共计 平均难度:一般