ToomuchTVwatchingcanharmchildr

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更新 2022-09-03
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Too much TV-watching can harm children’s ability to learn and even reduce their chances of getting a college degree, new studies suggest in the latest effort to examine the effects of television on children.
One of the studies looked at nearly 400 northern California third-graders. Those with TVs in their bedrooms scored about eight points lower on math and language arts tests than children without bedroom TVs.
A second study, looking at nearly 1000 grown-ups in New Zealand, found lower education levels among 26-year-olds who had watched lots of TV during childhood. But the results don’t prove that TV is the cause and don't rule out that already poorly motivated youngsters(年轻人）may watch lots of TV.
Their study measured the TV habits of 26-year-olds between ages5 and 15. These with college degrees had watched an average of less than two hours of TV per weeknight during childhood, compared with an average of more than 2 1/2 hours for those who had no education beyond high school
In the California study, children with TVs in their rooms but no computer at home scored the lowest while those with no bedroom TV but who had home computers scored the highest
While this study does not prove that bedroom TV sets caused the lower scores, it adds to accumulating findings that children shouldn't have TVs in their bedrooms
According to the California study, the low-scoring group might_____

A．have watched a lot of TV

B．not be interested in math

C．be unable to go to college

D．have had computers in their bedrooms

What is the researchers' understanding of the New Zealand study results?

A．Poorly motivated 26-year-olds watch more TV.

B．Habits of TV watching reduce learning interest

C．TV watching leads to lower education levels of the 15-year-olds.

D．The connection between TV and education levels is difficult to explain

What can we learn from the last two paragraphs?

A．More time should be spent on computers.

B．Children should be forbidden from watching TV.

C．'IV sets shouldn't be allowed in children's bedrooms,

D．Further studies on high-achieving students should be done

What would be the best title for this text?
A. Computers or Television
B Effects of Television on Children
C. Studies on TV and College Education
D. Television and Children's Learning Habits

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相关试题

When early colonial settlers went to America, they took many forms of dance to their new home. Square dancing, one of the oldest forms of American folk dancing, developed from several different Old World group dances, mainly English country dances, and the French quadrille(四对方舞).
In the American version of square dancing, four couples form a square and dance to music. An American addition to square dancing is the caller. What do you think a caller does?
The callers---someone who calls out the dance steps in time to the music--- was a completely American invention. At first dancers memorized all the steps for a particular dance, but eventually the dances became so complicated that it was necessary to have someone call out cues (提示) so that dancers didn’t have to remember so many steps. The caller didn’t just call out “do-se-do your partner”; a good caller also came up with colourful sayings or witty lines that he said in between the cues such as “Don’t be shy and don’t be afraid. Swing on the corner in a waltz promenade (步伐).” A caller might also come up with new dance steps and routines.
Although popular for years, square dancing seemed to be going out of style and fading away until the early 1930s, when Henry Ford helped revive interest in it. Ford, the automobile manufacturer, used to vacation at the Wayside Inn in Massachusetts, where he enjoyed the dance programme run by a man named Benjamin Lovett. Ford asked Lovett to come to Detroit and teach dances, but Lovett said he couldn’t because he had a contract with the inn. Ford solved that problem by buying the inn and Lovett’s contract. He took Lovett back to Detroit, where together they established a programme for teaching squares and rounds. Square dancing was updated and groups began forming all over the country.
53. What is the best title for the passage?
A. The Different Steps of Square Dancing
B. The Origin and Development of Square Dancing
C. Who Was the Inventor of Square Dancing?
D. Why Did Square Dancing Go Out of Style?
54. What does the underlined part “their new home” refer to?
A. The United Kingdom. B. France.
C. Africa. D. America.
55. Why did the caller call out the steps for the dancers?
A. Because the dance was invented by the caller.
B. Because the dancers didn’t know the names of the steps.
C. Because the steps were very particular.
D. Because it was hard for the dancers to remember all the steps.
56. Why did the author mention Henry Ford in the last paragraph?
A. Because he was the man who made the first car.
B. Because he was vey fond of dancing.
C. Because he helped make square dancing popular again.
D. Because he taught people how to dance.

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How do successful people think? What drives them? Interviews and investigations indicate that there are several keys to success that successful people share.
First of all, successful people never blame someone or something outside of themselves for their failure to go ahead. They realize that their future lies in their own hands. They understand that they cannot control things in life, such as nature, the past and other people. But in the meantime, they are well aware that they can control their own thoughts and actions. They take responsibility for their life and regard this as one of the most empowering things they can do. Perhaps what most separates successful people from others is that they live a life “on purpose”---- they are doing what they believe they are put here to do. In their opinion, having a purpose in their life is the most important element that enables them to become fully functioning people. They hold that when they live their life on purpose, their main concern is to do the job right. They love what they do ---- and it shows. People want to do business with them because of their commitment(忠诚). To live their life on purpose, successful people find a cause they believe in and create a business around it. Besides, they never easily give up. Once they have set up goals in their life, they are willing to work hard whatever it takes to achieve their goals. Top achievers always bear in mind what they don’t have.
Rather than be negative or depressing, they use the knowledge to spur themselves on and go after what they want energetically and passionately.
46. The underlined word “it ” refers to “____”.
A. the main concern of successful people
B. the job that successful people do
C. the commitment with which successful people do their jobs
D. the business that successful people do with other people
47. By living a life “on purpose”, successful people can do the following EXCEPT ____.
A. do a lot of work
B. concentrate on their jobs
C. do business with many people
D. control things in life
48. The underlined word “spur ” most probably means “____”.
A. encourage         B. excite              C. relieve       D. compel

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情景对话（共5小题，每小题1分，满分5分）
根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Jane: Oh, that's Mr. Taylor. He is so boring.
Mother: What do you mean?
Jane:    6   And he's so quick tempered, mum.
Mother:   7  Are you sure, darling?
Jane: Yes, he gets angry very quickly.
Mother :   8
Jane: And do you know, he spends all his time looking at his reflection in the window, admiring himself.
Mother : Really?  9
Jane: Because he is vain, that's why! And conceited (自负的). He thinks he knows everything.
Mother: Oh, Jane. Be reasonable. I'm sure you're exaggerating (夸张), Mr. Taylor seems such a nice and kind man.
Jane:   10   He's mean (小气的) and cruel.
Mother: Cruel? Now how can a history teacher be cruel?
Jane: Because he only gave me two out of ten marks in my history test.
Mother: Oh, now I understand, Jane. I think you'd better get on with your homework.

A．Well, he isn't.

B．And why does he do it ?

C．His lessons send me to sleep.

D．That's doesn't sound like Mr. Taylor at all.

E. Quick tempered? Mr. Taylor ?
F. Yes, he does.
G. He doesn’t like me.

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Happiness and sadness are states of being states of being that define the way we view the world. It is often said that some people by nature have a sunny character. Now scientists may have discovered why.
Some people may be hard-wired for happiness, while others are genetically negative, as
scientists have suggested in a study published in late February, in a British journal Proceedings of the Royal Society B.
Earlier research had already established that the gene known as 5-HTTLPR plays a key role in
determining how the neurotransmitter (神经传递素) serotonin (血清素) works within the brain. Serotonin, a hormone (荷尔蒙), passes chemical messages between nerve cells. It has been closely linked to mood. Several anti-depressant (抗抑郁) drugs regulate serotonin levels. Scientists had also identified three variants of the gene. Two so-called "short" variants were linked to a higher risk of depression and suicide attempts. Unlike the two "short" variants, the "long" variant of 5-HTTLPR showed a clear dislike of negative images, such as fierce animals, and a clear liking for positive ones, such as flowers.
Researchers from the University of Essex in Britain, led by Elaine Fox, showed participants a
series of images. The images were divided into three kinds: negative ones aimed at inspiring fear or stress such as a spider or person about to commit suicide, pleasant ones and neutral ones.
“The participants who had the long variant of the 5-HTTLPR gene showed a clear dislike of negative material alongside a careful attention for positive material,” the researchers found. They paid close attention to the pretty pictures, and ignored the frightening ones. On the other hand, the short variant groups had the opposite reaction.
In January, the Australian government organized "happiness workshops", teaching government
staff how to be happy. The department that held the "happiness workshops" said unhappy staff weren't productive staff. Australian political opposition parties have argued that the "happiness workshops" are probably a waste of money and couldn't increase productivity as intended. However, whether the workshop will have a happy or disappointing result, we will have to wait and see.
67．Form the third paragraph, we know that         .
A．affected by 5-HTTLPR, the neurotransmitter serotonin works within the blood
B．there are 5 variants of 5-HTTLPR genes which control people’s moods
C．how the neurotransmitter serotonin works is greatly determined by 5-HTTLPR
D．5-HTTLPR receives chemical messages from verve cells
68．What does “It” in the sentence “It has been closely linked to mood.” in the 3rd paragraph refer to?
A．Serotonin.          B．A nerve cell.        C．5-HTTLPR.         D．The brain.
69．If a person had the long variant of 5-HTTLPR, he or she would probably         .
A．like the images of spiders                     B．prefer the images of crocodiles
C．enjoy an image of green tress                D．suffer from depression very often
70．What can we infer from the passage?
A．People’s moods can change a little bit under the influence of certain drugs.
B．Researchers showed participants of the research two kinds of images.
C．A person possesses one long and one short variant of 5-HTTLPR at the same time.
D．The author firmly believes that “happiness workshops” will not change people’s moods.

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George, when your big brother and your little dog and I walked you up to schools today, you
had no idea how I was feeling.
You were so excited. You had packed and unpacked your pencils and safety scissors in your backpack a dozen times. I am really going to miss those lazy mornings when we waved your brother and sister off to school.
Because you are my youngest, I had learned a few things by the time you came along. I found out that the seemingly endless days of babyhood are gone like lightning. I blinked(眨眼), and your older siblings were setting off for school as eagerly as you did this morning, I was one of the lucky ones; I could choose whether to work or not. By the time it was your turn, the shining prizes of career advancement and a double income had lost their brightness. A splash(溅水) in the pool with you in your bright red boots or "just one more" rereading of your favorite book, Frog and Toad Are Friends, meant more. You didn't go to preschool and I hope that doesn't hold you back. You learned numbers by helping me count the soda cans we returned to the store.
I have to admit that in my mind's eye, an image of myself while you're in school has developed, I see myself updating all the photo albums and starting that novel I always wanted to write. As the summer wound down and more frequent quarrels erupted between you and your siblings, I was looking forward to today. And then this morning, I walked you up the steep hill to your classroom. You found the coat hook with your name above it right away, and you gave me one of your characteristically fierce, too-tight hugs. This time you were ready to let go before I was.
Maybe someday you will deliver a kindergartner to the first day of school. When you turn at the door to wave good-bye, he or she will be too deep in conversation with a new friend to notice. Even as you smile, you'll feel something warm on your cheek.
And then, you’ll know…
64．What does the author mean by the underlined sentence?
A．She gave up the job with a big salary and prizes.
B．She could only recall her good job at home now.
C．Many good jobs with better pay attracted her but she didn’t take them.
D．Compared with bringing up the baby, work seemed to fade to her.
65．Which statement is NOT TRUE about George’s family according to the letter?
A．George’s parents gave birth to three children
B．The Georges is a double income family.
C．The children had more arguments during the summer.
D．They recyled soda cans.
66．The passage tries to show us .
A．how excited a child will be on his first day to school
B．how deeply a mother loves her child
C．how many efforts a mother has made to raise a child
D．how a mother plans her future life after her children go to school

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