Fun doesn't have to be expensive

    Everyone likes to have fun, but not everyone has much money to spend. Here are some free or cheap ways to enjoy yourself.

    Go outside

    Going outside in good weather can be a lot of fun if you don't want to stay at home. {#blank#}1{#/blank#} If you live in a city, you can go window-shopping. Or you can explore an old part of town and admire the buildings.

    Try a hobby

    While you're out, take pictures of things you find. Planning and taking pictures can make you aware of the beauty all around you. Photographic equipment can be expensive, but it doesn't have to be. You probably already own a camera or a cell phone that can take pictures. Other creative hobbies can also be done with basic materials. {#blank#}2{#/blank#}

    Find an event

    Libraries often hold free public events. {#blank#}3{#/blank#}And while you're there, borrow a book or movie for free. Museums and universities also hold free events.

    If you can't find a free event, you can volunteer at an event that requires tickets. People who organize concerts and plays need help.{#blank#}4{#/blank#} Sometimes they reward volunteers with free tickets.

    Meet a friend

    Relationships are often the best things in life. {#blank#}5{#/blank#} For example, invite a friend for a walk, an event or a time working on your hobby. Hosting doesn't have to be difficult. If your friend comes in the afternoon, you don't have to serve a meal. You can sit and talk, play board games or card games or watch a movie together.

A. A friend in need is a friend indeed.

B. Stop by one to find out what's going on.

C. Hike or bicycle with a friend on a nearby path or in a park.

D. Whatever you do, find a friend to share it with.

E. It's a good idea to stay at home to watch a movie.

F. You can set up or take down chairs or greet visitors.

G. Drawing and writing require nothing more than a pencil and paper.

    Think about vitamin D when you're catching up on summer rays. It's sometimes called the “sunshine vitamin” because it's produced in your skin in response to sunlight. Vitamin D is a fat-soluble (脂溶性的) vitamin in a family of compounds that includes vitamins D-1, D-2, and D-3. It can affect as many as 2,000 genes in the body.

    Vitamin D has several important functions. Perhaps the most vital are regulating the absorption of calcium and phosphorous（磷）, and promoting normal immune system function. Getting enough vitamin D is important for normal growth and development of bones and teeth, as well as improving resistance against certain diseases.

    In addition to its primary benefits, research suggests that vitamin D may also play a role in: reducing your risk of multiple sclerosis（多发性硬化）, according to a 2006 study published in the Journal of the American Medical Association decreasing your chance of developing heart disease, according to 2008 findings published in Circulation helping to reduce your possibility of developing the flu, according to 2010 research published in the American Journal of Clinical Nutrition regulating mood and warding off depression losing weight or preventing heart disease.

    How do you get it? Your body produces vitamin D naturally when it is directly exposed to sunlight. A little can go a long way. All you need is 10 minutes a day of midday, pre-sunscreen sun exposure,especially if you have fair skin. Besides getting vitamin D through sunlight, you can also get it through certain foods and supplements to ensure adequate levels of the vitamin in your blood.

    Doctors say anger can be an extremely damaging emotion, unless you learn how to deal with it. They warn that anger can lead to heart disease, stomach problems, headaches, emotional problems and possibly cancer.

    {#blank#}1{#/blank#} Some people express anger openly in a calm reasonable way. Others burst with anger, and scream and yell. But other people keep their anger inside. They can not or will not express it. This is called repressing anger.

    For years many doctors thought that repressing anger was more dangerous to a person's health than expressing it. They said that when a person is angry, the brain releases the same hormones (荷尔蒙). They speed the heart rate, raise blood pressure, or sugar into the blood, etc. {#blank#}2{#/blank#}

    Some doctors say that both repressing and expressing anger can be dangerous. They believe that those who express anger violently may be more likely to develop heart disease, and they believe that those who keep anger inside may face a greater danger of high blood pressure.

    {#blank#}3{#/blank#} They say the first step is to admit that you are angry and to recognize the real cause of the anger, then decide if the cause is serious enough to get angry about. If it is, they say, “{#blank#}4{#/blank#} Wait until your anger has cooled down and you are able to express yourself calmly and reasonably.”

    Doctors say that a good way to deal with anger is to find humor in the situation that has made you angry. {#blank#}5{#/blank#}

A. In general the person feels excited and ready to act.

B. They said that laughter is much healthier than anger.

C. Expressing anger violently is more harmful than repressing it.

D. Anger may cause you a cancer.

E. Do not express your anger while angry.

F. Anger is a normal emotion that we all feel from time to time.

G. Doctors say the solution is learning how to deal with anger.

    Native to America, the cane toad (癞蛤蟆) was introduced to Northern Queensland 70 years ago to control sugarcane beetles (甘蔗害虫). The toads failed in that duty but spread across Queensland and into neighboring northern areas.

    Now it calmly invades(侵略) the stats of Western Australia and New South Wales ( NSW). NSW wildlife experts fear the amphibians － which have poisonous backs that kill hungry predators (食肉动物) 一will have a terrible effect on native animals.

    Those fears may be about to be realized. Australia's leading government research body, the Commonwealth Science and Industry Research Organization (CSIRO), forecasts that a rise in average temperatures will make NSW an ideal living place for the cane toads.

    Tony Robinson, head of CSIRO's Wildlife, Pests, and Diseases Program, said climate change is increasing the amount of suitable living place for the cane toads.

    “With climate change, the cane toads might go down as far as Sydney and some areas of Western Australia,” Robinson said.

Recent estimates put the pace of the toads' westward march at nearly 17 miles (27 kilometers) a year and slightly slower from north to south.

    “More southerly (南部的) cities, such as Melbourne and Adelaide, would likely remain too cold and dry to ever suit the toads,” Robinson noted, “but Perth could expect cane toads in five years' time.”

    Sydney could see their arrival in the next 20 years.

    Robinson said there is no method that will keep the toads under control.

    The cane toads already cover at least half of Queensland and most of the northern country. The toads are believed to number in the billions.

    A Venezuelan virus was tried in the 1990s but had to be given up after it was found to also kill native frog species. Scientists and governmental bodies believe a national approach is needed.

    The main threat the toads cause to species such as dingoes, and crocodiles is the poison contained in glands (腺) on each of their shoulders. The poison sprays out when the toads are threatened or handled roughly. The poison is made up of 14 different chemicals.

    Cane toads also compete, and usually win, the hunt for food and living space.

    "”If the government and other states combine resources, I believe we can achieve a very practical biological-control research program,” Bums said.

    The annual celebration of St. Patrick's Day is coming soon to the Canton Tower. St. Patrick's Day is an Irish cultural and religious celebration occurring annually on March 17. The festival celebrates the life of St. Patrick, who helped the poor and taught the Irish people good things, The Lanton lower has become one of, the premier (最初的)party sites for this international and lively event. As part of the celebration, the tower will brighten the night with brilliant light shows. Participants (参加者)are sure to enjoy the festive Irish atmosphere.

    As in the past years, camping lovers will gather to spend a night beneath the Canton Tower, The time for the camping adventure will be from 3 p. m. on March 17 to 9 a. m. on March 18. The event offers people a great chance to enjoy this special and free camping site.

    Artists will perform a range of music with instruments played typically in Irish folk music, featuring tin whistles and wind pipes. Foodies also will be in for a treat, as the taste of traditional Irish food will surely attract everyone.

    To celebrate this festival, dancers dressed in Irish green, the colour of Ireland, will pop up around the Canton Tower. The parade will go along the main streets and thousands of people will watch, waving flags. Good luck if you meet with these "green spirits."

Earth's next superpower

The following countries have been sitting on hidden talents. And now they're about to fly.

NIGERIA (尼日利亚)

Nigeria says it pumps out as much oil as the other two oil-producing countries, Kuwait and Iraq. All this oil is cycling cash into the Nigerian economy and creating extremely rich businessmen. Analysts say that if Nigeria can improve its schools and technology, it could balloon into the world's 13th largest economy by 2050, right between Turkey and Italy. If that reason is not enough for optimism, Nigeria's president also has the sunniest name of any world leader: Goodluck Jonathan.

VIETNAM

As agriculture has given way to industry, unemployment in Vietnam has dropped. What's Vietnam's trick? It's ready to work. Other countries' laborers aren't as cheap as they used to be, which makes Vietnam a relative bargain for companies that need new factories abroad. However, the country has almost no railroads, its highways are in poor condition, and its largest city has just one airport, which was built before the Vietnam War. So what's the use of producing export-ready goods if there's no convenient way to ship them? The good thing is that, however, officials are widening highways, building a new airport and so on.

CHILE (智利)

Pipes, computers, motors, and your microwave all have one thing in common: They're made with copper (铜). Copper makes the world go round. And luckily for Chile, it's got about a third of the planet's copper supply. It just needs a way to dig it up and the government is pouring money into the country's mines.