根據(jù)短文內(nèi)容，從短文后的選項中選出能填入空白處的最佳選項。選項中有兩項為多余選項。

Why Is Exercise Cool?

1．Exercise Strengthens Muscles

Did you ever do a push-up or swing across the monkey bars at the Playground. 1. By using your muscles to do powerful things, you can make them stronger．For older teens and adults, this kind of workout can make muscles bigger, too.

2． 2.

Can you touch your toes easily without yelling ouch? Most kids are pretty flexible, which means that they can bend and stretch their bodies without much trouble. Being flexible is having full range of motion, which means you can move your arms and legs freely without feeling tightness or pain．

3．Exercise Keeps the Balance

3.Your body needs a certain amount of calories every day just to function, breathe, walk around, and do all the basic stuff. 4.If you're not very active, your body won't need as many calories.

Whatever your calorie need , if you eat enough to meet that need, your body weight will stay about the same. If you eat more calories than your body needs, it may be stored as extra fat.

4．Exercise Makes You Feel Good

It feels good to have a strong, flexible body that can do all the activities you enjoy—like running, jumping, and playing with your friends. It's also fun to be good at something, like scoring a basket, hitting a home run, or perfecting a dive.

But you may not know that exercising can actually put you in a better mood. 5.It's just another reason why exercise is cool!

A．So you want to do some aerobic（有氧的）exercise right now?

B．Food gives your body fuel in the form of calories, which are a kind of energy.

C．When you exercise, your brain releases a chemical, which may make you feel happier.

D．Those are exercises that can build strength.

E．Exercise Makes You Flexible

F．Exercise Makes Your Heart Happy

G．But if you're active, your body needs an extra measure of calories or energy.

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Fear may be felt in the heart as well as in the head，according to a study that has found a link between the cycles of a beating heart and the chance of someone feeling fear.

Tests on healthy volunteers found that they were more likely to feel a sense of fear at the moment when their hearts are contracting and pumping blood around their bodies, compared with the point when the heartbeat is relaxed. Scientists say the results suggest that the heart is able to influence how the brain responds to a fearful event, depending on which point it is at in its regular cycle of contraction and relaxation.

Sarah Garfinkel at the Brighton and Sussex Medical School said：“Our study shows for the first time that the way in which we deal with fear is different depending on when we see fearful pictures in relation to our heart.”

The study tested 20 healthy volunteers on their reactions to fear as they were shown pictures of fearful faces. Dr Garfinkel said, “The study showed that fearful faces are better noticed when the heart is pumping than when it is relaxed.Thus, our hearts can also affect what we see and what we don't see—and guide whether we see fear.”

To further understand this relationship，the scientists also used a brain scanner(掃描儀)to show how the brain influences the way the heart changes a person's feeling of fear.

“We have found an important mechanism by which the heart and brain ‘speak’ to each other to change our feelings and reduce fear,”Dr Garfinkel said.

“We hope that by increasing our understanding about how fear is dealt with and ways that it could be reduced, we may be able to develop more successful treatments for anxiety disorders，and also for those who may be suffering from serious stress disorder.”

1.What is the finding of the study? ________.

A. Fear is a result of one's relaxed heartbeat.

B. One's heart affects how he feels fear.

C. Fear has something to do with one's health.

D. One's fast heartbeats are likely to cause fear.

2.The study was carried out by analyzing ________.

A. volunteers' heartbeats when they saw terrible pictures

B. the time volunteers saw fearful pictures and their health conditions

C. volunteers' reactions to horrible pictures and data from their brain scans

D. different pictures shown to volunteers and their heart－brain communication

3.Which of the following is closest in meaning to “mechanism” in Paragraph 6?

A. order B. treatment C. machine D. system

4.This study may contribute to ________．

A. treating anxiety and stress better

B. explaining the cycle of fear and anxiety

C. finding the key to the heart－brain communication

D. understanding different fears in our hearts and heads

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He is only 12 years old but Utkarsh Tripathi brings out a handwritten newspaper every week on matters like the environment. He does all this to satisfy his wish to “serve the country”. A Class 8 student of the Brij Bihari Sahai Inter College in Allahabad, Utkarsh has been bringing out the newspaper Jagriti for the last one year. And for the four-page, black-and-white newspaper, Utkarsh not only takes the role of a reporter, editor and publisher, but also gives it free of charge.

Jagriti has about 150 readers belonging to various age groups in Allahabad, some 200 km from the state capital Lucknow. “Children make up major Jagriti readers ... my school friends, my seniors in school, teachers and also my neighbours,” he said.

According to Utkarsh’s father Hari Prasad, who runs a coaching institute, his son has a gift for writing and wants to serve the country in some way.

“More than two years ago, he began to read articles in Hindi Daily. One day he said that he wanted to start serving society from his school life itself. I then suggested why not work like a journalist and make people know their rights,” he added. Utkarsh took the suggestion seriously and came up with Jagriti. “I try to cover social issues about environment, women foeticide and others in the editorial section, and also information about public welfare plans and important government policies for the betterment of the poor or children.” Utkarsh said.

Jagriti also has successful stories of scientists, political leaders and other outstanding people.But how does he get time from his studies to bring out a weekly newspaper? “I believe if anyone is passionate about something, he or she can take out some time to realize his dream.” Utkarsh replied.

Utkarsh’s efforts are much appreciated by people in Allahabad. Nutan Devi, a local journalist, said, “For me it’s real journalism …It has renewed the objective (宗旨) of journalism that seems to have now got lost somewhere.”

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A. To prove Utkarsh does a good job.

B. To tell us what true journalism is.

C. To encourage us to follow Utkarsh’s example.

D. To show the different opinions on what Utkarsh does.

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Previously, I heard a story about a mother who had two daughters. She loved them very much, but two girls would fight with each other from their earliest years. As they grew older, they became total strangers. They had no contact with each other when they were adults.

This caused the mother great pain. Then, later, she had an idea. She decided to write a letter to them. In this letter, she told them how much she loved them, and how she wanted them to love each other in this way. She also gave them news of herself, and some guidance on how they might live happier lives.

When the letter was ready, she wrote out one copy for each daughter, but these copies were special. Each copy contained only every second sentence of the original letter. The copy for one daughter had only the even(偶數(shù)的) sentences, and the other daughter’s copy contained only the odd sentences. Neither copy made sense on its own. Neither contained the fullness of the mother’s message.

When the two daughters received their letters, they were puzzled. If they really wanted to know what the letters said, they would have to put the two letters together, and read them as one. That meant they must approach one another again in mutual(彼此的) love and respect.

For a long time, the mother waited in vain. Both daughters tried to understand the half-letter, but they each blamed the other for not helping them. Each daughter thought she knew her mother better.

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A. love can neither be bought nor sold

B. faults are thick when love is thin

C. without respect, love can’t go far

D. love can help enemies become friends

3.What is the best title for this passage?

A. An Unusual Letter

B. A Mother’s Endless Love

C. Special Daughters

D. Deep Love from Daughters

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Why are newspapers and TV broadcasts filled with disaster, corruption and incompetence? It may be because we’re drawn to depressing stories without realizing, according to psychologists.

When you read the news, sometimes it can feel like the only things reported are terrible, depressing events. Why do the media concentrate on the bad things in life, rather than the good? In fact, many people often say that they would prefer good news.

The researchers present their experiment as solid evidence of a so called “negativity bias(偏見)”, psychologists’ term for our collective hunger to hear, and remember bad news.

It isn’t just delight in other people’s misfortune, the theory goes, but that we’ve evolved to react quickly to potential threats. Bad news could be a signal that we need to change what we’re doing to avoid danger.

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1.What is “negativity bias” according to psychologists?

A. It is one’s delight in others’ misfortune.

B. It is one’s habit of reacting quickly to potential threats.

C. It is a signal with which we can avoid danger.

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D. People like to hear pleasant words rather than bad words.

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A. The world is believed to be more hopeful than it actually is.

B. It is expected things will be all right in the end.

C. The world is believed to be full of darkness.

D. It is believed that we are better than others.

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