Have you ever stayed up late? If so, you know that not getting enough sleep can
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Have you ever stayed up late? If so, youknow that not getting enough sleep can leave you tired and grumpy . Notsleeping enough can also make it harder to think clearly the next day.
Sleep experts have long known that gettinga good night’s sleep is important.
It helps kids perform their best during theday. A recent study shows that sleep helps improve problem--- solving skillsand creative thinking.
For the study, two groups of volunteersanswered a math problem. The group that slept for eight hours solved theproblem correctly more often than the group that did not get enough sleep.
While you sleep, your brain is busy doingits “homework”. It sorts out information from your day. Getting enough sleepeach night can boost your brainpower. That will help you do your best inschool. Experts say that, in return, can lead to better grades.
1.What is the best title for the passage?
| A．Too Much Sleep | B．It’s Homework Time |
| C．Sleep to Succeed | D．Math Problems |
2.The underlined word “boost” in paragraph5 means ________.
| A．reduce | B．improve |
| C．disturb | D．worsen |
3.Why is sleep important?
| A．It can improve problem-solving skills and creative thinking |
| B．It will help you do your best in school |
| C．It helps your brain sort out information from your day. |
| D．All of the above |
4. What did the results of a recent sleepstudy show?
| A．People who sleep enough are good at math |
| B．Sleep is important for learning |
| C．If you get enough sleep, you don’t have to do your homework |
| D．Adults need more sleep than kids |
试题答案
【答案】
1.C
2.B
3.D
4.B
【解析】略