Jack's friend Sally isn't fine these days.

    One day she asks Jack for help. And she tells (告诉) Jack about her eating habits. For breakfast, she always eats some bread. For lunch, she always has some chicken. She likes eating ice-cream and a hamburger in the evening.

 “They're not healthy for you, Sally,” Jack says.

 “I know, but I like them,” Sally says.

 “What about vegetables? Do you like eating carrots?” Jack asks.

 “No, I don't,” Sally says.

 “Sally, don't eat ice-cream. You must eat some vegetables and fruit. They are good for you.” Jack says.

 “I think you're right,” Sally says.

    In the next days, Sally always eats vegetables and fruit. And she is well now.

    Every year, wildfires(野火) destroy much forest land. homes are broken down, and thousands of people die. smokejumpers are stop helping to stop this.

    Smokejumpers are a special kind of firefight. they jump from planes into areas that difficult to reach by car or on foot. they race to put out fires as fast as they can.

    At a fire site, Smokejumpers first examine the land and decide how to fight the fire. their main goal is to stop fire from spreading. using basic tools such as shovels and axes, smokejumpers clear land of burnable material like plants and other dry material. they carry water with them too, but not much.

    Although most smokejumpers are men, more women are joining. Most important are your weight and height. Smokejumpers in the U.S. for example ,must be 54 to 91 kilograms, so they don't get hurt when they land, or get blown by strong winds.

    Smokejumpers must be able to live in the wilderness. in Russia ,many smokejumpers know how to find food in the forest and even make simple furniture from trees.

    They work is dangerous, the hours are long. But for these firefighters, smokejumpers isn't just a job. They love being able to jump out of planes, fight fires, and live in the forest. As 28-year-old Russian smokejumpers Alexi Tishin says,“This is the best job for the strong and brave.”

    Andy plays basketball for the children's basketball club. He usually gets up at around 5:30 and runs in his school from 5:40 to 6:40.After running，he has breakfast at 7 o'clock. For breakfast，he eats some eggs and vegetables. At around 8：00，he plays basketball with his friends. They play basketball for around four hours. At about 12：00，they have lunch. For lunch，Andy has lots of vegetables，chicken and fruit. At 3 o'clock in the afternoon，Andy goes to the children's basketball club. He is never late for the club. Then Andy has dinner at about 7:00.After dinner，he watches basketball games on TV. Andy usually goes to bed at 10:30.

    As a student, I was most afraid to answer question in class, and I found that the students around me were just like me. At the beginning of each class, when the teacher ask a question. I always lowered my head because I was afraid the teacher saw me.

    One day, in a foreign language class, Mr. Black gave us a lesson. He wanted us to be active in class, so ask us some question, but no one answered," Let me tell you a story first," he said. "When I came to the United States to study, the university often invited famous people to make speeches. Before the beginning every speech, I found an interesting thing. The students around me always took a cardboard folded in half, wrote their names in bold(黑体) with the most eye－catching(引人注目的) color and then placed the cardboard on the seat. So when the speaker need the answer from the student, he could see it and call a listener's name directly. I couldn't understand that. My classmate told me the speakers were all top people, who meant chances. In fact, l really saw a few students got great chances because of that."

    After listening the story, l understand that the chance will not find you itself. You must show yourself all the time so that you can find a chance on the card.

    How to be the world's best guest？

    Do you want to be a popular guest who gets invited back？Read our five top tips（建议）for being a good guest.

{#blank#}1{#/blank#}⑴If you are in a formal（正式的）situation, dress smartly: a suit and a tie for men, a long dress for women.

{#blank#}2{#/blank#}⑵If you are going to stay in someone's house, don't arrive empty-handed. Bring a small present if you are staying for a short time, a bigger one for longer periods. Expensive chocolate works in most situations.

{#blank#}3{#/blank#}⑶To shake hands or to kiss? Wait to see what your host does.

{#blank#}4{#/blank#}⑷Always accept it when offered, whether it looks terrible or delicious. Try to cat all of it and say it tastes good. Most people are proud of their cooking even if they shouldn't be. Don't hurt their feelings.

{#blank#}5{#/blank#}⑸The most important tip for being a good guest is to know when to say goodbye. The secret is to leave while the host is still enjoying your company and wants you to stay longer.

A different kind of alarm clock

    When Matty Sallin, 24, was studying art and technology at New York University, he got an interesting task for the final exam：Create something for the ordinary family. He decided to create an alarm clock.

    "To get up in time, many people have to use an alarm clock every morning. But the sound of the clock is extremely noisy and unpleasant." he says. So before he started to design the new clock, he asked different people what they'd like to wake up to in the morning. A lot of them said, "The smell of bacon(培根)."

    So Sallin and his two classmates invented a new kind of alarm clock: a wooden box with a pig face and a digital clock that uses the smell of cooking bacon to wake people up. He explains, "There's no danger of burning, because I built it carefully, It uses special light bulbs(灯泡) instead of a fire for cooking and turns off automatically after ten minutes. "Just a few easy steps are required to set the "alarm".

    "What you do is to put a few pieces of bacon meat inside the box the night before, then you set the alarm," says Sallin. "If you set the alarm for 8：00, it will turn on at 7:50 and slow cook for ten minutes under the bulbs. Then the bulbs turn off and a fan blows the smell out through the nose of the pig."

    "So the pleasant smell of bacon will wake you up. There will be no more noisy alarms," says Sallin. "Then you can open the door on the side and pull the bacon out and eat it."

    When Sallin was a kid, he spent a lot of time making drawings of inventions. "I wanted to make a lift in my back yard and a special tree house," he says. "But I never really thought I'd become an inventor！"

    Sallin got an A for his alarm clock and went on to invent other things-but people continue to email him every day asking where they can buy his alarm clack. If he decides to produce and sell his special alarm clock, maybe he can build a successful business out of it.