Many people think of guys as being carefree when it comes to their appearance. But in fact, a lot of guys spend plenty of time in front of the mirror. {#blank#}1{#/blank#}.

    Body image is a person's opinions and feelings about his or her own body and physical appearance. {#blank#}2{#/blank#}. You appreciate your body for its capabilities and accept its imperfections.

    So, what can you do to develop a positive body image? Here are some ideas:

    Recognize your strengths. Different body types are good for different things. What does your body do well? Maybe your speed, strength, or coordination makes you better than others at a certain sport. That may be basketball, table tennis, mountain biking, dancing, or even running. Or perhaps you have non-sports skills, like drawing, painting, singing, playing a musical instrument, writing, or acting. {#blank#}3{#/blank#}.

    Exercise regularly. Exercise can help you look good and feel good about yourself. Good physiques (体形) don't just happen. {#blank#}4{#/blank#}. A healthy habit can be as simple as exercising 20 minutes to one hour three days a week. Working out can also lift your spirits.

    Respect your body. Practicing good habits — regular showering; taking care of your teeth, hair, and skin; wearing clean clothes, and so on — can help you build a positive body image.

    {#blank#}5{#/blank#}. Your body is just one part of who you are. Your talent for comedy, a quick wit (智慧), and all the other things make you unique. So try not to let small imperfections take over.

A. Be yourself.

B. Just explore talents that you feel good about.

C. Use this as an opportunity to discover what you're good at.

D. They care just as much as girls do about their body image.

E. They take hard work, regular workouts, and a healthy diet.

F. The good news is that self-image and body image can be changed.

G. Having a positive body image means feeling satisfied with the way you look.

    What's your dream vacation? Watching wildlife in Kenya? Boating down the Amazon? Sunbathing in Malaysia? New chances are opening up all the time to explore the world.So we visit travel agents, compare packages and prices, and pay our money.

    We know what our vacation costs us.But do we know what it might cost someone else?It's true that many poorer countries now depend on tourism for foreign income.Unfortunately,though.tourism often harms the local people more than it helps them

    It might cost their homes and lands.In Myanmar.5.200 people were forced to leave their homes among the pagodas(佛塔）in Bagan so that tourists could visit the pagodas.

    Tourism might also cost the local people their livelihood（生计）and dignity（尊严）.Local workers often find only jobs with slim salaries in the tourist industry.And most of the profits（利润）do not help the local economy. Instead,profits return to the tour operators in wealthier countries,When the Maasai people in Tanzania were driven（驱赶）from their lands,some moved to city slums.Others now make a little money selling souvenirs or posing(摆姿势）for photos.

    Problems like these were observed more than 20 years ago.But now some non-government organizations,tour operators and local governments are working together to begin correcting them.Tourists,too,are putting on the pressure.

    The result is responsible tourism,or ethical tourism.Ethical tourism has people at its heart.New international agreements and codes of conduct（行为准则）can help protect the people's lands homes,economies and cultures.The beginnings are small,though,and the problems are complex.

    But take heart. The good news is that everyone,including us,can play a part to help the local people in the places we visit Tour operators and companies can help by making sure that local people work in good conditions and earn reasonable wages.

    They can make it a point to use only locally owned hotel restaurants and guide services.They can share profits fairly to help the local economy And they can involve the local people in planning and managing tourism.

    What can tourists do? First, we can ask tour companies to provide information about the conditions of local citizens.We can then make our choices and tell them why. And while we're abroad, we can: Buy local foods and products, not imported ones.

    Pay a fair price for goods and services and not bargain for the cheapest price.

    Avoid flaunting wealth.

    Ask before talking photographs of people.They are not just part of the landscape!

    Let's enjoy our vacation and make sure others do,too.

    In the rush to get to school, you drop a piece of toast on the floor. Do you throw it away or decide it's still OK to eat? If you're like most people, you eat it. Maybe you follow the “5-second rule”, which says foods are safe to eat if you pick them up within 5 seconds after dropping them. But you might want to think again. Scientists now say that 5 seconds is all it takes for foods to become polluted with enough bacteria to make you sick.

    Bacteria can cause many kinds of illnesses. Some kinds of bacteria can grow on food. If you eat foods on which these bacteria are growing, you can become sick.

    One of these food-borne bacteria is Salmonella. It makes 1.4 million people sick every year. Salmonella is often found in raw eggs and chicken. Cooking kills these bacteria, which is why it is so important to cook eggs, chicken, and other foods thoroughly.

    But how long does it take these bacteria to pollute food? A team of scientists in South Carolina did an experiment. First, they placed an amount of Salmonella on three surfaces: wood, tile, and carpet. They placed a piece of bread and a piece of sausage on each surface for 5, 30, or 60 seconds. After just 5 seconds, both the bread and the sausage picked up enough bacteria to make you sick.

    So, forget the 5-second rule. If your toast drops on the floor, throw it away and get another piece of clean toast. And next time, be careful not to drop it!

    When people reunite with their loved ones，it's usually all extremely happy moment. But what is their most common response to seeing them again? It may seem strange，but most of the time they break down in tears.

    Now a group of psychologists (心理学家) from Yale University say they have found the reason why，and that crying tears of joy may well be the body's way of keeping emotional(情感的) balance. “They seem to take place when people are overtaken by strong positive emotions，and people who do this seem to recover better from those strong emotions，” Oriana Aragon，the lead researcher said.

    Aragon and her fellow psychologists looked at hundreds of participants' emotional responses to different things，including happy reunions and cute babies. Many participants said they would react in a negative or aggressive way to the positive things—to cry at happy moments and want to pinch(捏) a cute baby's face or even tell them “I want to eat you up!” But then researchers found that these people were able to calm down from strong emotions more quickly.

    There are many other examples of times when people respond to a positive experience with a negative emotional reaction. At an exciting concert, fans scream at their idols(偶像). People who have just had a big lottery win are often in floods of tears. “These findings advance our understanding of how people express and control their emotions, which is importantly related to mental and physical health, the quality of relationships with others, and even how well people work together.” said Aragon.

    Winters are cold in northern British Colunbia, a province of Canada. That's one reason why two girls become concerned about a number of homeless cats in their town.

    "My dad first saw this big cat problem…and he knew the man who had all the cats," says Vivienne Thompson. Vivienne and her friend Catrina Vanderwolf learned that the man wasn't happy about all the cats living around his home. They offered to help.

    Each day after school all winter long, the girls walked two miles to feed the cats. "We could see all their footprints in the snow and at first couldn't understand why they wouldn't let us get close to them," explained the girls.

    They contacted(联系)Valerie Ingram at the Lakes Animal Friendship Society, who told them that the cats are "feral." They belong to no one. Feral cats have little or no contact with humans in their entire lives. The large colony(群) of cats likely started with two stray(流浪的) cats who had a litter of kittens. Those cats had kittens, and before long, there were dozens of homeless cats.

To get the cat colony under control, the cats would need operations so that they could no longer have kittens. Vivienne and Catrina shared what they learned with their teachers and other students—and a project began! Grassy Plains School started raising money to pay for the cats' operations. Before long, local organizations and large companies agreed to help.

    Volunteers spent months humanely trapping the cats. Finally, all the cats had been operated on and returned to the colony.

"We were so happy to be a part of helping, to get to know the cats, to not see suffering anymore, only happy cats—and a happy man who feeds them on his step now," say Vivienne and Catrina.

    Have you ever found yourself in this situation: You hear a song you used to sing when you were a child — a bit of nostalgia (怀旧) or “blast from the past,” as we say. But it is not a distant childhood memory. The words come back to you as clearly as when you sang them all those years ago.

    Researchers at the University of Edinburgh studied the relationship between music and remembering a foreign language. They found that remembering words in a song was the best way to remember even one of the most difficult languages.

    Here is what they did. Researchers took 60 adults and randomly divided them into three groups of 20. Then they gave the groups three different types of “listen-and-repeat” learning conditions. Researchers had one group simply speak the words. They had the second group speak the words to a rhythm, or beat. And they asked the third group to sing the words.

    All three groups studied words from the Hungarian language for 15 minutes. Then they took part in a series of language tests to see what they remembered.

    Why Hungarian, you ask? Researchers said they chose Hungarian because not many people know the language. It does not share any roots with Germanic or Romance languages, such as Italian or Spanish. After the tests were over, the singers came out on top. The people who learned these new Hungarian words by singing them showed a higher overall performance. They did the best in four out of five of the tests. They also performed two times better than those who simply learned the words by speaking them.

    Dr. Katie Overy says singing could lead to new ways to learn a foreign language. The brain likes to remember things when they are contained in a catchy or memorable tune.

    Dr. Ludke said the findings could help those who struggle to learn foreign languages. On the University of Edinburgh's website Dr. Ludke writes, “This study provides the first experimental evidence that a listen-and-repeat singing method can support foreign language learning, and opens the door for future research in this area.”