Our life has become easier and more colorful because of mobile phones and the Internet. However, a number of worrying problems have come along with them.

Many car accidents are caused by mobile phones. Some drivers use mobile phones to get on the Internet while driving. Looking at their mobile phones and not at the road, these drivers have become a danger to us all.

Many of the dangers of the Internet are well known. Children who visit websites without their parents‘' permission sometimes talk to elder people they don't know and put themselves in great danger. People with blogs sometimes post information of people they don't know on their websites without permission. Some people even use the Internet to get personal information that we do not want them to have.

    Mobile phone and the Internet safety tips：

Use a ‘hands-free' phone if you need to use a mobile phone when you drive.

     In difficult driving situations such as in rain or snow, do not use your phone at all.

     Do not make very important phone calls while driving. They take your attention (注意力) off the road.

     Tell your children not to talk with anyone they do not know on the Internet.

     In an embarrassing situation (尴尬场合), be careful with people around you.

Don't give out any personal information on the Internet.

You may know a lot about smartphones. But what about smart cities?

Imagine living your life like this: When you wake up in the morning, you say "Open the window" to the computer and it opens the window. The sunshine is shining and the birds are singing. Then you finish breakfast and sit in front of your desk and begin to have classes through the Internet. With the help of building a smart city, this may become true one day.

A smart city uses digital technologies(数字科技）such as the Internet to improve city planning, save resources(资源) and make our lives easier. For example, people live in smart cities, where there is Internet almost everywhere. They can do many things at home, such as booking train tickets, paying water bills and shopping online. What a convenient life it is!

Now China is making some cities smarter. For example, Guiyang is going to build free Wi-Fi in the whole city. Tianjin plans to start a smart city program to solve traffic problems. Guangzhou is creating a smart city, so everyone in the city should play a role in creating a smart city.

Kids' health: Four steps for fighting stress

    Everybody gets stressed from time to time.{#blank#}1{#/blank#}Some ways of dealing with stress like screaming or hitting someone--don't solve (解决)much. But other ways like talking to someone you trust, can lead you to solve your problem or at least feel better.

    Try taking these four steps the next time you are stressed:

    ⑴Get support.   When you need help, reach out to the people who care about you. Talk to a trusted adult, such as a parent or other relatives.{#blank#}2{#/blank#}They might have had similar problems, such as dealing with a test, or the death of a beloved pet.

    ⑵Don't take it out on yourself.   Sometimes when kids are stressed and upset they take it out on themselves. Oh, dear, that's not a good idea. Remember that there are always people to help you. Don't take it out on yourself.{#blank#}3{#/blank#}

    ⑶Try to solve the problem.   After you're calm and you have support from adults and friends, it's time to get down to business.{#blank#}4{#/blank#}Even if you can't solve it all, you can solve a piece of it.

    ⑷Be positive.   Most stress is temporary (暂时的). Remember stress does go away, especially when you figure out the problem and start working on solving it. These steps aren't magic, but they do work~ And if you can stay positive as you make your way through a tough time, you'll help yourself feel better even faster.{#blank#}5{#/blank#}.

    A fish that lives in America can live out of water for months at a time, similar to how animals got used to land millions of years ago, a new study shows.

    The Mangrove Rivulets, a kind of little fish, lives in small pools of water. When their living place dries up, they live on the land, said Scott Taylor, a researcher in Florida.

    The fish can grow as large as three inches. They group together and breathe air through their skin before they can find water again.

    The new scientific discovery came during a trip.

    "We were travelling for fun. And one day I kicked over a log (圆木) and the fish came out." Taylor told reporters by telephone. He said he would make his study on the fish known to the public in an American magazine early next year.

    In lab tests, Taylor said he found the fish can live up to 66 days out of water without eating.

    Some other fish can live out of water for a short period of time. The walking catfish found in Southeast Asia can stay on land for hours at a time, while lungfish(肺鱼) found in Australia, Africa and South America can live out of water, but only in a not active(活跃的) way. But no other known fish can be out of water as long as the Mangrove Rivulets and keep active, according to Patricia Wright, a biologist at a Canadian University.

    More studies of the fish may tell how animals changed over time.

    "These animals live in conditions similar to those millions of years ago, when animals began to move from water onto land." Wright said.

    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 is harmful to our environment. Though we are young, we can still do something to help. Here are some ideas for you.

    Reduce

    Reduce means "use less" .Don't waste things. This saves money and reduces pollution. Before we buy something new, think whether it is really necessary— or maybe the old one is still useful.

    Reuse

    Reuse means "use again" .When we buy things, make sure that they can last a long time. When something is broken, we should repair it instead of throwing it away and buying a new one. Don't use a paper cup or a paper bag. It's better to use a china(瓷) 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.

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