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?
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A．Too Much Sleep |
B．It’s Homework Time |
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C．Sleep to Succeed |
D．Math Problems |
2.The underlined word “boost” in paragraph 5 means ________.
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A．reduce |
B．improve |
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C．disturb |
D．worsen |
3.Why is sleep important?
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A．It can improve problem-solving skills and creative thinking |
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B．It will help you do your best in school |
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C．It helps your brain sort out information from your day. |
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D．All of the above |
4. What did the results of a recent sleep study show?
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A．People who sleep enough are good at math |
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B．Sleep is important for learning |
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C．If you get enough sleep, you don’t have to do your homework |
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D．Adults need more sleep than kids |
完形填空（共20小题；每小题1分，满分20分）
阅读下面短文，掌握其大意，然后从各题所给的四个选项中，选出最佳选项 。
Water and its importance to human life were the centre of the world’s attention last week. March 22 was World Water Day and 36 the theme “Water for Life”.
There are more than one billion people in the world who live without 37 drinking water. The United Nations 38 to cut this number in half by 2015.
Solving such a big problem seems like a(n) 39 challenge. But everyone, 40 teenagers, can do something to help. A teenage girl in the US has set an example to the 41 of her age around the world.
Rene Haggerty, 13, was awarded the 2004 Gloria Barron Prize for her work— 42 discarded(废弃的) batteries（电池）which pollute water.
In 2003, Haggerty went on a field trip to the Great Lakes Science Centre in Ohio. There she saw an exhibit about how 43 in old batteries harm the water of Lake Erie.
Haggerty learnt that 44 the batteries was an easy solution. “I think everybody can do it, because everyone 45 batteries, and it can make a big difference.” With these words, she began to 46 awareness in her area.
She 47 her county government and school board. She got permission to start a recycling programme in schools 48 the public library, hospital, and churches. With help from her family, friends and local waste-management 49 , she gathered containers, arranged transportation, and made a(n) 50 video.
Over the past two years, she collected four tons of batteries and drew the attention of officials, who were in charge of a battery recycling programme but had made 51 progress.
When asked 52 she feels like a hero, Haggerty is quite ____53 . “Not really. Well, maybe for the fish I saved!”
Every year the Gloria Barron Prize 54 young Americans aged 8 to 18 who have shown leadership and courage in 55 the public and the planet. Each year ten winners receive US $ 2,000 each, to help with their education costs or their public service work.
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— Where is my passport? I remember __________there.
—You shouldn’t have left it here. Remember __________it with you all the time.
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A．to put；to take |
B．putting；taking |
C．putting；to take |
D．to put；taking |
________ the right decisions _________ the future is probably the most important thing we’ll ever do in our lives.
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A．Making; concerned |
B．Make; concerning |
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C．To make; concerned |
D．Making; concerning |
All the children are busy going over their lessons as the final exam is __________.
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A．along the way |
B．in the way |
C．on the way |
D．by the way |
Don’t interrupt me. I ________ letters all morning and have only finished five.
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A．write |
B．have written |
C．have been writing |
D．am writing |
