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?It's normal for teens to want to stay connected with friends and social circle,but what about that happening in the middle of the night?The Journal of Youth Studies recently published new research showing that one in five teens from 12 to 15 regularly wake to spend all night on social media(社會(huì)媒體).Not surprisingly,the research also showed that these social night owls were three times more likely than others to feel tired at school and that girls were more likely than boys to be called to office.
?The blue light produced by cell phones and computers makes the brain to stay awake,so it's easy to see why a teen might be up all night.A study in Psychological Science showed the same brain reaction:when teens saw large numbers of "likes" on their posts,they stayed awake with excitement as if they had eaten chocolates or won money.Besides not catching up on sleep and interrupting their sleep cycle,teens may never fully enter deep sleep that may be responsible for brain development and learning.
?Considering about 72 percent of children from 6 to 17 sleep with some electronic media in their bedrooms,parents need to set rules sooner rather than later.
?"Providing access(使用機(jī)會(huì)) to social media is a favor that children can ear and also lose," Janie Feldman,an expert who treats sleep disorders(紊亂),reminds parents, "The bad effect is clear.So teens and parents should discuss and agree on its use,timing and access.When teenagers agree to the rules,it's easier for parents to control how much time they spend on the phones or computers."

(1)What does the underlined part "night owls" in Paragraph I refer to?
C
C

A.Girls often called to office.
B.Boys regularly waking in the middle of the night.
C.Teens who stay up late on social media.
D.Teens who are busy with their homework at night.
(2)How do teens react when seeing many "likes" on their posts according to the study?
B
B

A.They fall asleep easily and happily.
B.They are too excited to go to sleep.
C.They are too excited to go to school.
D.They decide to make more good friends.
(3)What suggestion does Janie Feldman give to parents?
B
B

A.Getting their children to do homework through computers.
B.Making rules about media access together with their children.
C.Encouraging their children to stay connected with online friends.
D.Stopping their children from using cell phones.
(4)What is the main idea of the text?
C
C

A.Kids are trying to win back the trust of their parents.
B.Deep sleep makes a big difference to brain development.
C.Social media may cause teens' sleep disorders.
D.Social media may have a bad effect on all kinds of people.

【考點(diǎn)】說明文;日常生活
【答案】C;B;B;C
【解答】
【點(diǎn)評(píng)】
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發(fā)布:2024/4/20 14:35:0組卷:0引用:1難度:0.5
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  • 1.American children aren't the only couch potatoes out there.Nearly one third of children in the world spend three hours a day or more watching TV or playing computers,according to a study of over 70,000 teens in 34 nations.
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    (1)What does the underlined word "sedentary" in paragraph 4 mean?

    A.Addicted.
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    (2)What can we know from the study?

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    B.Most girls from India got enough exercise.
    C.Children in Europe get more physical activity.
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    (3)How does the writer present the findings of the study?

    A.By using quotations and taking examples.
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    D.By presenting facts and drawing conclusions.
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    A.Computers and potatoes.
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    發(fā)布:2024/11/1 19:0:1組卷:15引用:4難度:0.5
  • 2.How good are you at maths?Some people love the challenge of algebra(代數(shù))or enjoy working out number puzzles.Maths is all around us,from working out how to share the bill after a meal,to calculating your family bills.But many are afraid of the moment when they have to deal with numbers and figures and feel a real sense of worry and confusion.It can seem frightening,but this maths anxiety is perfectly normal,and you're definitely not alone.And anyway,our worries and fears don't necessarily reflect our ability.
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    發(fā)布:2024/11/5 0:30:7組卷:24引用:7難度:0.5
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    發(fā)布:2024/10/31 8:1:18組卷:59引用:2難度:0.1
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