How green are you? Do you know how to be green?

    We all need a healthy environment, but we produce waste every day and it does harm to our environment.Though we are young, we can still do something to help. In fact, even the simplest everyday activities can make a real difference to the environment.Here are some ideas for you.

Reduce

    Reduce means “use less”.Don't waste things.This saves money and reduces pollution and waste going into the environment.Before we buy something new, think whether it is really neces sary or maybe the old one will be just as good! When we do buy things, choose local products if possible, and try not to buy too many things from abroad.

Reuse

    Reuse means "use again".Use things for as long as possible.When we buy things, make sure that they can last a long time.We should look after them so that they will last, and we should repair them if we can instead of throwing them away and buying new ones.Don't use a paper cup or a paper bag.It's better to use a china cup and a lunch box because you can use them again.

Recycle

    Recycle means “change things into something else”.Though it takes energy to change something into something else, it's better than throwing things away or burning them.Find out what can be recycled in your neighborhood and take part in the recycling program.We should also buy products made from recycled materials,such as recycled paper, to help save trees.

    So please remember three words: reduce, reuse and recycle.

    You may know about "junk food" like French fries. But do you know about "junk sleep"?

    Recently, a British survey found that electronic products（电子产品）in teenagers' bedrooms are affecting（影响）their sleep. The survey was done among 1,000 British kids from 12 to 16. It found that 30 percent of them got just 4 to 7 hours of sleep every day. But doctors say they need 8 to 9 hours.

    Almost a quarter of the kids said they fell asleep more than once a week while watching TV, listening to music or using other electronic products.

    "This is very worrying." said Dr. Chris Idzikowski, "We call it "junk sleep". It means you don't get enough sleep and the quality（质量）of the sleep is bad, too. If you don't get good rest, you won't perform well in school the next day."

    The survey found that 40 percent of the kids felt tired each day, with girls between 13 and 16 feeling the worst. Nearly all the teenagers have a phone, Mp5 or TV in their bedrooms. And many of them have all three.

Why salmon will newer get lost

    When you're packing for an adventure, what's the most important thing you'll need? If you don't want to get lost, you' need a map. Or better yet, a GPS. What about other animals? How do they know where they're going?

    While humans depend on technology to travel, some animals have something far more advanced. Researchers, mainly from Oregon State University, US, found that Chinook salmon have a "built in GPS" of the Earth's magnetic field(磁场). This means as soon as they are born they are able to direct themselves in the ocean. It acts like a big map inside their brain.

    Scientists placed some baby salmon into a big swimming pool. To simulate the Earth's magnetic field, they put magnetic coils(线圈) all around the pool. Then, by changing the direction of the coils, the salmon began to change their own direction. They started to face in the direction of their ocean feeding area. This is a safe place in the ocean where salmon can find food to eat. When the scientists changed the coils to the opposite side, the salmon also turned in the opposite direction. Just by using their "built-in GPS", the salmon were able to figure out the direction of their feeding area.

    How did Chinook salmon get their "built in GPS"? The scientists believe that their navigation(导航) skills came through evolution(进化). The fish that were able to reach the feeding area lived longer. Then they could pass on their navigation skills to their babies. So if you're ever lost and in need of some help, maybe you should ask a salmon to point you in the right direction!

How to Find Yourself

Do you often feel lost? If yes, look for ways to find yourself by going through the following tips. 

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The first thing to do is to have a rest from everything. Give time to yourself to think why you seem lost. Is it because of overwork? Is it because you are not living a life that you want? Or is it because you are not happy with the people or things around you? 

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Look within and find yourself in you instead of（代替）being the way others want you to be. Think about the things that you would want to do, the places that you would like to visit and the way of life that you would like to follow. Then think how you would want others to describe you. l

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Thinking about the past, the time or situations（处境）when you were the happiest, is another way to find yourself. This will help you be sure of what you want to do in life. 

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Knowing yourself and deciding what to do with your life will not come to you in a day or two. Tt can take months or sometimes even years to truly find yourself. So, it's important that you have a writing habit of all your feelings and thoughts. 

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Once you have known what you want to do with your life, make a move for a change. Even if it means taking up small things such as dancing or painting, go ahead and do it. If you want a job change, plan and take action so that it can take place successfully. 

Everyone likes festivals, because they mean a break from work. However, for some people, they mean {#blank#}1{#/blank#} work. Danny is a doctor in the hospital. He  {#blank#}2{#/blank#} many meals with his family because he is often called to the hospital suddenly. He is thankful for his {#blank#}3{#/blank#} support. He says,"I am just one of millions of {#blank#}4{#/blank#} in the world. "There are many people devoting(贡献) themselves to making our life a lot {#blank#}5{#/blank#}. We should thank all of them.