题目内容

【题目】 Though times have changed, falling asleep in class is still quite common among teenagers.

Why do students sometimes fall asleep in class? An obvious(显而易见的) reason is lack(缺少) of sleep. However, there are also causes for getting too little sleep.

Homework is a daily meal for most students, one that can take three to four hours per night. A teenager who wants to be able to take part in any activity besides homework must stay up late to fit everything in. Club activities, sports, computer-game playing, and TV viewing, for example, all lead to teens having less time for both homework and sleep. Sometimes teens lack sleep because of after-school jobs that are taken on to earn extra money for college, family cost, or simply for clothes.

Physical problems are another reason that can cause students to fall asleep in class. For example, insomnia(失眠), which may keep a student up at night, causing exhaustion(疲惫不堪) during class hours, is a serious problem that may require medical attention. Medical research also supports the idea that each person has a body clock that helps to decide his or her sleep pattern. Unluckily, these body clocks do not always work according to school timetables.

The effects of falling asleep in class can be quite serious. First of all, sleeping in class is not a good way to show your respect to teachers. In addition, it is highly possible that other students may make jokes about those who sleep in class. However, the most harmful effect of sleeping in class is missing important points. In the long run, sleepers may end up with failing classes.

Since teens are probably not going to deal with the problem, falling asleep in class will probably remain an all-too-common situation. It will continue until more teens find a way to balance their personal and social lives with school and work, while still finding enough time to sleep.

【1】According to the 1st paragraph, what is the common situation among teenagers?

_________________________________________________________________________

【2】What are the main reasons for this common situation?

_________________________________________________________________________

【3】Please show us the reasons for teenagers staying up late in Paragraph 3.

_________________________________________________________________________

【4】Why does the writer talk about “the body clock” in paragraph 4?

_________________________________________________________________________

【5】According to the 5th paragraph, why shall we avoid the problem?

_________________________________________________________________________

【6】What can you learn from this passage?

_________________________________________________________________________

【答案】

【1】Falling asleep in class.

【2】The lack of sleep and physical problems.

【3】Homework, after-school activities, and after-school jobs.

【4】To tell us it’s a serious problem that requires medical attention.

【5】Because it may hurt the teachers, cause classmates laugh at you and lead to failing classes.

【6】Teenagers should find ways to solve the problem.

【解析】

本文是一篇说明文，介绍了课堂睡觉的原因，以及避免课堂睡觉的必要性。

【1】

题意：根据本文第1段内容，存在于青少年中的普遍情况是什么？

根据原文Though times have changed, falling asleep in class is still quite common among teenagers可知，虽然时代变了，但在课堂上睡觉的情况在青少年中仍然普遍存在。故答案为Falling asleep in class.

【2】

题意：造成这种普遍情况的主要原因是什么？

根据原文An obvious(显而易见的) reason is lack(缺少) of sleep和Physical problems are another reason that can cause students to fall asleep in class可知，造成课堂睡觉的原因有缺乏睡眠和身体问题。故答案为The lack of sleep and physical problems.

【3】

题意：请根据第3段内容，告诉我们青少年熬夜的原因。

根据原文Homework is a daily meal for most students, one that can take three to four hours per night … Club activities, sports, computer-game playing, and TV viewing, for example, all lead to teens having less time for both homework and sleep … teens lack sleep because of after-school jobs可知，家庭作业、课外活动、课外兼职是造成青少年熬夜的原因。故答案为Homework, after-school activities, and after-school jobs.

【4】

题意：为什么作者要在第4段提到“人体生物钟”？

根据原文insomnia(失眠), which may keep a student up at night, causing exhaustion(疲惫不堪) during class hours, is a serious problem that may require medical attention可知，失眠是一个严重的问题，可能需要医疗手段介入，而失眠的生理原因在于人体生物钟的失效。故答案为To tell us it’s a serious problem that requires medical attention.

【5】

题意：根据本文第5段内容，我们为什么要避免这个问题（课堂睡觉）？

根据原文sleeping in class is not a good way to show your respect to teachers. In addition, it is highly possible that other students may make jokes about those who sleep in class … In the long run, sleepers may end up with failing classes可知，之所以要避免课堂上睡觉这一问题，是为了避免给人留下不尊重老师的印象，避免被人嘲笑，以及避免课业进度被落下。故答案为Because it may hurt the teachers, cause classmates laugh at you and lead to failing classes.

【6】

题意：你能从这篇文章中学到什么？

根据原文It will continue until more teens find a way to balance their personal and social lives with school and work, while still finding enough time to sleep可知，本文的最后作者提到，青少年应该找出一些方法来解决这一问题。故答案为Teenagers should find ways to solve the problem.

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