A person searches various websites for different reasons, such as school, work, or entertainment. For teenagers, many informative resources on the Internet can be used. As a matter of fact, there are educational, music and art websites that are truly helpful to teenagers, because they can help make one’s life easier.
Educational websites are helpful to a teenager in doing school work and searching for a college. Some can help studying for tests, explaining a lesson, and doing homework. Some can help find the right schools based on one’s interests. And still others have pages devoted to the social life at each of the colleges or the specific activities that occur at a certain school.
Some free music sites enable a teenager to diversify their musical tastes. On these sites, all types of music are available such as pop, cock, jazz, and country. One can type in a song, category or artist and his or her entire catalog appears. Then, the listener can make multiple playlists without creating an account(账户)with the site.
There are various art websites that can help students to appreciate and create art pieces. On these sites, a student can view numerous photos and art pieces from different mediums or create an account with the website to upload them art pieces for people to see. In addition, one can enjoy various art projects that people have created on display for the rest of the world.
Truly informative resources are offered on the Internet. The best suggestion one car receive is to try to look for new websites that can help in the educational, music, or art area so one can become well-rounded and informed.
Truly Helpful Websites for Teenagers
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A conflict at work is common. If you can avoid conflict, it means you will win what you want regardless of what the other person wants. Since the potential issue has not been removed, it will simply reappear later. Let’s see what you can do.
★Be aware of the fact that some conflicts are unavoidable at work. On numerous occasions, conflict and disagreement are likely to happen. But when a conflict happens it's not the end of the world. On the contrary, it can be the beginning of an interesting learning process. Conflicts mean that people care enough to disagree strongly. The trick is not to allow the conflict to go on forever.
★ Deal with conflicts sooner rather than later. Solve a conflict when it starts, as it only gets worse with time going by. Conflicts at work arise not from something that was said, but from something that wasn't said! Everyone's waiting for the other to admit he's wrong and gets more unpleasant after the conflict has lasted a while. It's essential to interrupt the "waiting game" before it gets to that point.
★ Ask nicely. If somebody has done something that made you angry, or if you don't understand their viewpoint or actions, simply asking nicely about it can make a world of difference. Never assume that people do what they do to annoy or hurt you. Sometimes there's a good reason why that person does what he or she does, and a potential conflict disappear right there. Do remember to make an inquiry, not an accusation of any sort.
★ Appreciate. Praise the other part in the conflict. Tell them why it's worth it to you to solve the conflict. This can be difficult as few people find it easy to praise and appreciate a person they disagree strongly with, but it's a great way to move forward.
| Topic |
How to |
| Reason |
Conflicts won't |
handling conflicts |
● Don't be afraid of conflicts which are usually ● Interrupt the "waiting game", try to admit your ● Don’t imagine people do something to make you on purpose. Remember not to about what they do, which may make a difference. ● Try to appreciate the other part in the conflict although it is |
| If you learn to do with conflicts, you'll work in joy. |
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Modern science proves that a healthy lifestyle matters much to how long you can live and how well you live. Here are some tips for you to form a healthy lifestyle.
Keep in mind that sugar can be removed from our diet completely. Over intake (摄入量) of sugar is one of the main reasons for getting fat. Over intake of protein or fat and low intake of fiber can also lead to getting fat. We only need a few grams of protein to keep our body in order.
There is a relationship between the mood and health. A good mood keeps you in high spirits. Thanks to the Internet, we can enjoy and learn much without going out. Take a look at some online shops and pick up some bargains, enjoy music and movies and chat with good friends. Just keep happy.
Two studies show the reasons why teens and adults don't have enough sleep. With teens, a major reason is mobile phone use; with adults, it's work. Meanwhile, a third study of young children shows that lack of sleep in early life may lead to serious problems in future. Everyone needs at least 8-hour sleep to recover from tiredness and the hurt caused by hard work in the daytime.
Do exercise to keep away from fatness. Because of the quick pace of the modern life, you don't have time to do exercise every day, but at least three times a week and 45 minutes each time.
| Keep a scientific |
●Taking in too much ●Having protein or fat. |
| Be always in a good |
Relationship between the mood and health ●A good mood keens you in high |
| Enough sleep. |
Factors affecting people's sleep ●Teens don't sleep enough because of mobile phone use while adults because of ●In order to recover, we need at least an |
| Proper exercise. |
●Exercise prevents us from being ●We need to exercise at least three times a week and three |
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Wondering how many calories the banana cream pie on your plate has? Some Japanese have a novel way to fid out: Photograph it with a cellphone and send the image to an expert．With cellphones becoming common in Japan and rising concern over expa
nding waistlines, health-care providers will allow the calorie-conscious people to send photos of their meals to nutritionists for advice．
Public health insurance offices in Osaka in Western Japan have launched the service on a trial basis．About 100 cardiac patients signed up in the first year, followed by diabetes and obesity patients in the second．“Japanese have been getting fatter, especially men in their 20s and 30s． There is concern over what they learned about nutrition when they were younger,”the Osaka official, Satomi Onishi, said．“We’re hoping that this program can help us deal with the problem．”
Osaka is using a system developed by Asahi Kasei Corp．The system is operating among about 150 health-care providers and local governments around the country Nutritionists can work with photos from one day’s meals to several weeks’ worth． Results come back in three days． People can also log on a website to get further information．
Dr Yutaka Kimura has developed a similar system at Kansai Medical University’s Hirakata Hospital, also in Osaka． Five patients have taken part in the programme, which costs $37 to join and $21 per month．Patients photograph meals over the course of three to seven days, and a nutritionist e-mails advice to them．“Patients used to fill in meal logs, but people tend to forget things or underestimate their portions,” Kimura said．“Photographing meals and e-mailing them can be easier and get more accurate results．”
As Japanese have turned to bigger portions and more meat and fried foods, obesity and related illnesses such as high blood pressure have become a rising concern． The Health Ministry estimated last year that more than half of Japanese men and about one in five women between 40 and 70 years old were at the increased risk of heart disease, type II diabetes and other diseases because of obesity． With the Health Ministry hoping to see a 25% reduction in the number of people at the risk of these diseases by 2015, Osaka officials hope the cellphone program will help． 
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For years, the automobile industry has been testing vehicles that use hydrogen as fuel. Now, people across the United States have had a chance to see and even drive cars that get power from hydrogen fuel cells (燃料电池).
But the hydrogen fuel cell is not a new idea. The fuel cell was first invented by Sir William Grove of Britain in 1839. Since then, many different designs, have been invented. There is one place where fuel cells are a proven technology: in space. The American space agency used fuel cells in its Apollo spaceships in the twentieth century.
The most useful fuel cell for transportation purposes is the Polymer Electrolyte Membrane, or P.E.M. fuel cell. It is simple and can operate at temperatures of sixty to eighty degrees Celsius. That is much lower than other fuel cell designs. A P.E.M. fuel cell has two sides divided by a thin membrane (膜). Hydrogen gas is forced through one side where it comes in contact with a reactive material containing the metal platinum(铂). The membrane separates the electrons(电子) from the protons(质子) in the hydrogen atoms. The protons pass through it to the other side of the fuel cell. But the electrons are captured to do work; like powering a motor. Oxygen from the air is forced into the other side of the fuel cell. There, the gas meets the protons that have passed through the membrane. They combine to form water and heat. A single fuel cell does not produce a lot of electricity. But when many fuel cells are combined, they can produce enough electricity to power a vehicle. The product of the chemical reaction that powers fuel cells is water. This makes fuel cells a very clean technology.
Hydrogen fuel cell cars have been slow to develop because of many technical problems that have to be solved. For example, it is unclear how long the membranes in P.E.M. fuel cells will last. Also, fuel cells need water for their chemical reactions. They must be designed to start easily at low temperatures and in dry climates. And smaller, less costly fuel cells must be designed before they can truly take the place of gasoline engines. Now more models of fuel cell vehicles are being tested than ever before. The threat of climate change and the high cost of oil have increased interest in these vehicles that do not cause pollution.
| Title |
More Models of Hydrogen Cars Being Tested |
| The progress of hydrogen fuel cell |
· ·Designed ·Used in Apollo spaceships in the twentieth century. |
| Operating principle of P.E.M. |
·It has two sides divided by a thin membrane. ·Hydrogen gas from one side ·The electrons are ·The protons pass through the fuel cell to the other side. ·Oxygen from the air is ·The gas meets the protons，and then water and heat are |
| Reasons for slow of hydrogen fuel cell cars |
·There are many technical problems ·The durability of the membranes in P.E.M. fuel cells is not clear. ·They have to start easily at ·They must be smaller and less costly before |
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At the beginning of the twentieth century, many people thought that the American family was falling apart. A century later, we know that this was not the case. However, although the family is still alive in the United States, its size and shape were very different 100 years ago.
In the late 1800s and early 1900s, there were mainly two types of families in the United States: the extended and the nuclear. The extended family usually includes grandparents, parents, and children living under the same roof. The nuclear family consists of only parents and children.
Today there are many different kinds of families. Some people live in “traditional” families, that is, a stay-home mother, a working father, and their own biological children. Others live in two-paycheck families, single-parent families, adoptive or foster, families, blended families (where men and women who were married before marry again and combine the children from previous marriages into the new families)，child less families, and so on.
What caused the structure of the family to change? In the early 1900s the birthrate began to fall and the divorce rate began to rise. Women were suddenly choosing to go to college and take jobs outside the home. In the 1930s and 1940s, many families faced serious financial, or money problems during the Great Depression, when many people lost their jobs. During World War II(1939-1945)，5 million women were left alone to take care of their homes and their children. Because many men were at war, thousands of these "war widows" had to go to work outside their home.
During the next ten years, the situation changed. There were fewer divorces, and people married at a younger age and had more children than the previous generation. It was unusual for a mother to work outside the home during the years when her children were growing tip. Families began leaving cities and moving into single-family homes in the suburbs. The traditional family seemed to be returning.
In the years between 1960s and 1990s, there were many important changes in the structure of the family. From the 1960s to the early 1970s, the divorce rate doubled and the birthrate fell by half. The number of single-parent families tripled, and the number of couples living together without being married doubled again. In fact, the single-parent household, once unusual, has replaced the "traditional" family as the typical family in the States. If we can judge from history, however, this will probably change again in the twenty-first century.
The Changes of the American Family
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