Haveyouever

问题详情：

Have you ever ___41___(stay) up late? If so, you should know that not getting enough sleep can make you tired . Not sleeping enough can also make ___42___hard to think clearly the next day.

    Scientists who study sleep have known that getting a good night’s sleep is of great _____43_____(important). It helps kids to be able ____44____(do) their best during the day.

A recent study shows that sleep ____45____(help) improve problem--- solving skills and ____46____(creat) thinking  abilities. In the study, two groups of students answered ____47____ math problem. The group that slept for eight hours solved the problem____48____（correct） more often than the group that did not get enough sleep.

While you sleep___49___ night,  your brain is busy doing its “homework”. It sorts out（整理） the information ___50___ 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.

【回答】

41. stayed   

42. it    43. importance   

44. to do    45. helps   

46. creative   

47. a    48. correctly   

49. at    50. that/which

知识点：语法填空

题型：未分类