题目内容
Songs that make our hearts happy can make them stronger too, US researchers reported on Tuesday.
They found that when people listened to their favorite music, their blood vessels（血管）dilated in much the same way as when they are laughing, or taking blood medications.
"We have a pretty impressive effect," said Dr Michael Miller, director of preventive cardiology（心脏病学）at the University of Maryland Medical Center in Baltimore.
"Blood vessel diameter improved," he said. "The vessel opened up pretty significantly. You can see the vessels opening up with other activities such as exercise. " A similar effect is seen with drugs such as statins.
When blood vessels open up more, blood flows more smoothly and is less likely to form the clots（凝块）that cause heart attacks and strokes. "We are not saying to stop your statins or not to exercise but rather to add this to an overall program of heart health," said Miller, who presented his findings to a meeting of the American Heart Association in New Orleans.
Miller's team tested 10 healthy, non-smoking men and women, who were told to bring their favorite music. They spent half an hour listening to the recordings and half an hour listening to music they said made them feel anxious while the researchers did ultrasound tests designed to show blood vessel function.
Compared to their normal baseline measurements, blood vessel diameter increased 26 percent on average when the volunteers heard their joyful music. Listening to music they disliked—in most cases in this group heavy metal—blood vessels narrowed by six percent, Miller said.
Miller said he came up with the idea after discovering that laughter caused blood to literally flow more smoothly. "I asked myself what other things make us feel real good, besides calories from dark chocolate of course. Music came to mind. . . . It makes me feel really good," he said.
Most of the volunteers chose country music but Miller said the style is not so important rather than what pleases each individual.
51. The underlined word dilate（in paragraph 2）is closest in meaning to “_____”.
A. widen B. move C. change D. increase
52. According to the passage, which of the following will NOT cause blood vessels to open up?
A. Taking exercise. B. Listening to unpleasant music.
C. Bursting into laughter. D. Taking drugs like statins.
53. It can be inferred from the passage that _____.
A. blood clots are caused by heart attacks and strokes
B. music is better than chocolate for your health
C. the style of music has different effects on different people
D. a person’s overall health is more influenced by how much exercise he gets
54. What is the passage possibly taken out from?
A. A scientific journal. B. A school textbook.
C. A medical brochure. D. A local newspaper.
55. What’s the best title of the passage?
A. Pleasant Music Cures B. Research into Blood Vessel
C. Music and Heart Attack D. Music and Happiness
51. A 52. B 53. C 54. D 55. A
暑假作业暑假快乐练西安出版社系列答案
新活力总动员暑系列答案
龙人图书快乐假期暑假作业郑州大学出版社系列答案You can improve your child’s hearing memory considerably（在很大程度上）. Once his hearing memory has been greatly improved, he'll be able to use and remember what he listens to in class. The success of these suggestions depends upon your ability to use your child’s natural desire to get involved in games he finds simple and fun.
A good way to begin is to read aloud a sentence from a book suitable for your child's reading age. Then ask your youngster to repeat the sentence back to you correctly. Next, reread the sentence, leaving out a particular word. See if your child can identify the word you left out. At the beginning use only simple sentences. Gradually, increase the length of the sentences. Make sure you don’t rush things along too quickly, or your child may become discouraged and tired of the game.
Take your child shopping with you often. He’s to remember a list of items you want to buy in the supermarket. First , ask him to remember only a few things. Then, as he shows increased ability to remember, make the list longer and longer. Praise him often and warmly when he shows increased ability to remember things. He'll become proud of his ‘good’ memory and will happily play the game.
Encourage your child to learn easy and short poems. As his ability to do this becomes stronger, encourage him to remember longer poems. Do the same with songs.
1.The suggestions will be successful if____.
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A．you find simple and funny games for your child |
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B．you can stimulate（激发）your child’s interest in the activity |
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C．you force your child to get involved in more practice |
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D．you improve your own hearing memory first |
2.The purpose of asking your child to repeat what you say is __.
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A．to practice his pronunciation |
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B．to develop his reading skills |
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C．to help him remember what he hears |
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D．to play a simple game he may find fun |
3.The third paragraph mainly talks about ___.
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A．another way to improve your child’s hearing memory |
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B．how you should take you child shopping with you |
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C．how to remember the items you want to buy |
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D．the way you help your child do shopping |
4.The last sentence ‘Do the same with songs’ means you should encourage your child to learn and remember ___.
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A．songs in the same way as he does with poems. |
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B．poems in the same way as he does with songs |
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C．the poems and songs which are similar in meaning |
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D．those songs that have the same meaning as poems |
5.Who are the supposed readers of this passage?
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A．Children. |
B．Parents. |
C．Teachers. |
D．Psychologists. |