【编者按】2012年高考进入冲刺阶段，精品学习网小编特别搜索整理了惠州市2012届高三模拟考试(英语)试题，供广大考生参考。
 

Ⅰ 语言知识及应用(共两节，满分45分)

第一节 完形填空(共15小题;每小题2分，满分30分)

阅读下面短文，掌握其大意，然后从1~15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。

When you are having class in the early morning, it is not unusual to notice your classmate sitting beside you yawning. He 1 that he didn’t have a sound sleep the night before. Many 2 don’t get adequate sleep because they are burdened with too much homework, which keeps them up at night doing countless exercise. Some teens cannot 3 at night even when they want to so much.

Researches show that during your teenage years, the body’s biological clock is ___4_ ,telling you to sleep later at night and wake up 5 in the morning. But 6 in the body clock aren’t the only reason teens lose sleep. Lots of people have insomnia(失眠). The most common cause of insomnia is 7 . But all sorts of things can lead to insomnia, including 8 discomfort, emotional troubles and even sleeping environment. It’s common for everyone to have insomnia occasionally. But if it 9 for a month or more, go and consult a doctor.

Most teens have 10 sometimes, which may make you sweat. But, if they are too frequent, a person’s sleep pattern can be seriously 11 . The most common cause of them is emotional 12 , such as fear, stress or anxiety. If you have them a lot, you’re also supposed to talk to a 13 .

Medical specialists encourage teens to make lifestyle changes to help them develop good sleeping 14 .Most probably you know that a cup of coffee can keep you

15 at night, but did you know that playing video games or watching TV does the same?

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