Why do students sometimes fall asleep in class? An obvious reason is lack of sleep. However, there are also causes for getting too little sleep Homework is a daily occurrence for most students, one that can take three to four hours per night. A teenager who wants to be able to take part in 3 any activity besides homework must stay up late to fit everything in. Club sports, computer-game playing, and TV viewing, for example, activities inure to(lE iX,)teens having less time for both homework and sleep. Sometimes teens lack all contri sleep because of after-school jobs that are taken on to ean extra money for college, family expenses, or simply for clothes Physical problems are another factor that can cause students to fall asleep in class. For example Insomnia,, 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 evidence 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 endear(使受喜爱) yourself 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 out on important points. In the long run sleepers may end up failing classes Since teens are probably not going to deal with the problem, falling asleep in class will probably remain an all-too-common occurrence 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 Introduction Times have changed, 56 falling asleep in class is still quite common Lack of sleep o To 57 doing their homework, students may have to work three to four hours every night To 58 homework with activities, students may stay up late Causes. To spare time for after-school jobs, students may not have 59 time to sleep Sitoh Physical problems nsomnia may 60 students falling asleep at night rrore Students' body clocks do not always 6I their school timetables. Students sleeping in class may not be 62 by their teachers Effects Students who sleep in class run the 63 of being laughed at o Students who sleep too much in class may miss out on important knowledge and 64 in their study Conclusion The problem will not be 65 until teenagers can manage their lives, deal with their school and work, and then still have time to sleep B)请根据短文内容及首字母提示,填写所缺单词,并将答案填写在答题卡标号为66-75 的相应位置上 Chinese writing is one of the world's greatest writing systems. It is more w66 in use than alphabetic(字母的) writing systems. More than half of the worlds books are written in Chinese, including historical writings and novels, along with writings on government and law 26 At th ... ...
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