题型：语法填空（语篇） 题类：常考题 难易度：普通
山东省枣庄市第八中学东校区2016-2017学年高一下学期英语5月月考试题
Have you ever (stay) up late? If so, you should know that not getting enough sleep can make you tired. Not sleeping enough can also make hard to think clearly the next day.
Scientists who study sleep have known that getting a good night's sleep is of great (important). It helps kids to be able (do) their best during the day.
A recent study shows that sleep (help) improve problem— solving skills and (creat) thinking abilities. In the study, two groups of students answered math problem. The group that slept for eight hours solved the problem （correct） more often than the group that did not get enough sleep.
While you sleep night, your brain is busy doing its “homework”. It sorts out（整理） the information you get in the day. Getting enough sleep each night can improve your thinking ability. That will surely help you do your best at school or work.
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