高中英语寒假每日一练：20210207

第二节（共5小题；每小题2. 5分，满分12. 5分）

阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。

Getting your kid to bed at night is seriously one of the most challenging things you’ll ever have to do. Most kids are just so full of energy that they'll tire you out before they're halfway through their store of energy.  16  However, it's really not a great idea.

   17  The kids' parents were asked to track how much screen time the kids were allowed along with their sleep patterns. They also had the kids wear wristwatches that track kids' movement and surrounding light. This helped researchers keep track of how long kids were sleeping. The study found that kids who didn't spend time in front of screen before bed slept for 23 more minutes every week. And they also went to sleep about 34 minutes earlier than the kids playing iPads.   18    , quality of sleep is vastly important for children.

Former studies have found good quality sleep can influence a child’s life in many ways, including affecting grades and also weight gain. Students with an “A”average slept for 30 or more minutes per night than those with a “D”or “F”average.   19   Those with consistent and age-appropriate bedtime had a healthier BMI(体重指数)than those without a consistent bedtime.

  20   Just like it’s important for adults to go to sleep without any distractions(使人分心的事), it’s even more important for kids.

A.When you’ll have to worry about waking them up.

B. Though that might not seem like so much more time.

C. Hard as it is, it’s really important not to hand over an iPad to a child before bed.

D.Researchers at the Arizona State University conducted a study with 547 kids aged 7 to 9.

E.And children with irregular bedtime had a higher risk of having increased body weight.

F.An easy thing to do to get your child into bed is giving in and allowing some iPad screen time.

G.Getting to sleep on time and sleeping enough help contribute to improved performance in school.

词汇注释

答案详解

(点击空白处查看内容)

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导语：这是一篇说明文，主要介绍了睡前玩电子产品对孩子的危害。

16.F 前边提到让孩子睡觉是件很费力的事，于是很多父母就会让孩子玩iPad，选择F项最合适，承上启下。

17.D 下文提到父母们被要求去追踪孩子的屏幕时间等信息，因此此段要介绍一项研究。

18.B 前文提到睡前不玩iPads的孩子上床睡觉的时间要早34分钟，B选项中的that指代这个时间。

19.E 本段的第一句提到高质量的睡眠会影响孩子的很多方面。E项说明的是不规律睡眠对孩子的危害，是在佐证本段第一句。

20.C 该段为最后一段，是对前文的总结。

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