阅读理解Have you ever stayed up late? If so, you know that not getting enough sleep can leave you tired and grumpy . Not sleeping enough can also make it harder to think clearly the next day. Sleep experts have long known that getting a good night’s sleep is important. It helps kids perform their best during the day. A recent study shows that sleep helps improve problem--- solving skills and creative thinking. For the study, two groups of volunteers answered a math problem. The group that slept for eight hours solved the problem correctly more often than the group that did not get enough sleep. While you sleep, your brain is busy doing its “homework”. It sorts out information from your day. Getting enough sleep each night can boost your brainpower. That will help you do your best in school. Experts say that, in return, can lead to better grades.1.What is the best title for the passage?A.Too Much SleepB.It’s Homework TimeC.Sleep to SucceedD.Math Problems2.The underlined word “boost” in paragraph 5 means ________.A.reduceB.improveC.disturbD.worsen3.Why is sleep important?A.It can improve problem-solving skills and creative thinkingB.It will help you do your best in schoolC.It helps your brain sort out information from your day.D.All of the above4.What did the results of a recent sleep study show?A.People who sleep enough are good at mathB.Sleep is important for learningC.If you get enough sleep, you don’t have to do your homeworkD.Adults need more sleep than kids
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CBDB解析1.标题理解推断题，根据文中语句“A recent study shows that sleep helps improve problem--- solving skills and creative thinking.”理解可知。2.细节理解题，根据文中语句“That will help you do your best in school. Experts say that, in return, can lead to better grades.”理解可知。3.细节理解题，根据文中语句“It helps kids perform their best during the day.”理解可知。4.理解归纳题，根据文中语句Getting enough sleep each night can boost your brainpower. That will help you do your best in school. Experts say that, in return, can lead to better grades.理解可知。