People seem to have a natural need for friends and with good reason. Friends increase your enjoyment of life and relieve feelings of loneliness. They even can help reduce stress and improve your health. Having good friends is especially helpful when you are going through any kind of hard time such as when you are experiencing anxiety, panic(恐慌) attacks, or depression.

    When you are with good friends you feel good about yourself, and you are glad to be with them. A friend is someone who —

●you like, respect, and trust, and who likes, respects and trusts you

●doesn't always understand you, but accepts and likes you as you are, even as you grow and change

●allows you the space to change, grow, make decisions, and even make mistakes

●listens to you and shares with you both the good times and the bad times

●respects your need for secrets, so you can tell them anything

●lets you freely express your feelings and emotions without judging, laughing at or criticizing you

●accepts the limitations you have put on yourself and helps you to remove them

    A person once said, “Friendship is a continuing source of bonding（连接）, releasing, and creating in yourself and with the other person. There is an emotional bond between the two people.”

    A good friend or supporter may or may not be the same age or the same sex as you, and may not have the same educational, cultural, or religious background, or share interests that are similar to yours. Friendships also have different depths(深度). Some are closer to the heart and some more superficial, but they're all useful and good.

    The four theme parks below offer the most thrilling(刺激的)rides and attractions in the world.

    Busch Gardens Williamsburg

    Located(坐落)in Virginia, USA, this theme paprk has some of the highest-rated thrill rides in the world. The park's famous roller coasters include Apollo's Chariot, Alpengeist, Griffon, the Loch Ness Monster and Verbolten. The park also has thrilling water rides, rides for kids, other rides, shows, tours, animal exhibits and more. Divided into nine areas representing European countries, the park has won an award for the quality of its food.

    Everland

    One of the world's most popular theme parks, Everland is located in Yongin, Gyeonggi-do province, South Korea. The park has 40 thrill rides, including a world-famous wooden roller coaster, and many other attractions such as an hunting ride, a zoo, indoor and outdoor water parks, shows and more.

    Blackpool Pleasure Beach

    This Lancashire amusement park is one of the most visited theme parks in the United Kingdom. Among the park's 125 rides and attractions are the tallest and faster roller coaster in the U. K., a classic wooden roller coaster, a steel tower ride, the biggest indoor dark ride in the world, a host of rides for kids and more.

    PortAventura World

    Located on Spain's Costa Daurada, this park is divided into six themed areas. Five areas represent different locations including Polynesia, Mexico, the American West, China and the Mediterrancan. The sixth and newest area has a Sesame Street theme. The park has many rides and attractions suitable for visitors of all ages.

    It was with heavy hearts that my son and I worked to prepare his car for a milestone journey—the day he moved across the country after twenty years of living under my roof．

    Our work went slowly into the afternoon．The Sunday baseball game came on．Our hometown Cardinals were playing the Atlanta Braves．I overheard bits of the TV broadcast—Atlanta took a two-run lead as we were packing the trunk．After that I became absorbed in glum thoughts about his departure and forgot about the game．Suddenly I heard the door open．“Dad，”he said，“let's watch the game．They're only down by a run．”

    His red-colored eyes instantly told me that he，too，found this to be difficult and wanted to share one last father-son moment．Without hesitation I led the way to the TV set．There，we found the Cards losing 3—1．“Oh，”he said，“they're down two runs．”His voice cracked with doubt．“I thought they were coming back．”“That's fine，”I said，wanting so much to string this moment．“Let's watch anyway．”

    The Cards got to bat last．First a single，and then another．Suddenly the game became very interesting．When David Eckstein parked the third pitch(投球)into the seats，we were transformed，jumping up and down．That's when the magic moment came．The sadness of that day was replaced by the exciting baseball game，something we had done many times together before．

    Then he left．It was a sad day when I helped my son pack and get ready to move away to college．But this moment of joy mixed with sadness made the day，the trip and our life seem so right．

    Today, we are constantly bombarded with media reports about research on the right diet to follow to help us maintain a healthy lifestyle or lose weight—but it's hard to know which one to pick and, once chosen, it's harder still to stick to it. And now there's another choice to get our teeth into.

    A flexitarian(弹性素食者)diet involves eating plant—based foods and only occasionally eating meat and fish. This eating style allows you to supplement some ingredients that you wouldn't get in a stricter vegan(素食主义者)diet—another trend growing in popularity. And like veganism, flexitarianism isn't about eating carefully to help you lose a few pounds—it's something people choose for ethical reasons, to help the planet. And a study into the global food system and how it affects the climate, has found that eating mainly plant-based foods is one of three key steps towards a sustainable future for all by 2050.

    This research found that food waste will need to be halved and farming practices will also have to improve to achieve this. But without a single solution, a combined approach is needed. Dr Marco Springmann from the University of Oxford was one of the lead authors of the report. He told the BBC “We really found that a combination of measures would be needed to stay within environmental limits and those include changes towards healthier more plant—based diets.”

    But whereas vegans think it's wrong for animals to be killed for food, flexitarians believe eating meat once in a while is acceptable. And Dr Springmann agrees—as long as we “treat it as a luxury, it's probably OK but you shouldn't have more than one serving of red meat, which includes beef and pork, per week.” And here's another fact to digest: If we moved to this type of diet, the study found that greenhouse gas emissions from agriculture would be cut by more than half.

    There are two types of people in the world. Although they have equal degree of health and wealth and other comforts of life, one becomes happy and the other becomes unhappy. This arises from the different ways in which they consider things, persons, events and the resulting effects upon their minds.

    People who are to be happy fix their attention on the convenience of things: the pleasant parts of conversation, the well prepared dishes, the goodness of the wine and the fine weather. They enjoy all the cheerful things. Those who are to be unhappy think and speak only of the opposite things. Therefore, they are continually dissatisfied. By their remarks, they sour the pleasure of society, offend (hurt) many people, and make themselves disagreeable everywhere. If this turn of mind was founded in nature, such unhappy persons would be the more to be pitied. The intention of criticizing (批评) and being disliked is perhaps taken up by imitation (模仿). It grows into a habit, unknown to its possessors. The habit may be strong, but it may be cured when those who have it realize its bad effects on their interests and tastes. I hope this little warning may be of service to them, and help them change this habit.

    Although in fact it is chiefly an act of the imagination, it has serious results in life since it brings on deep sorrow and bad luck. Those people offend many others; nobody loves them, and no one treats them with more than the most common politeness and respect. This frequently puts them in bad temper and draws them into arguments. If they aim at getting some advantages in social position or fortune, nobody wishes them success. Nor will anyone start a step or speak a word to favor their hopes. If they bring on themselves public objections, no one will defend or excuse them, and many will join to criticize their wrongdoings. These should change this bad habit and be pleased with what is pleasing, without worrying needlessly about themselves and others. If they do not, it will be good for others to avoid any contact (接触) with them. Otherwise, it can be disagreeable and sometimes very inconvenient, especially when one becomes mixed up in their quarrels.

    There's a new frontier in 3D printing that's beginning to come into focus: food. Recent development has made possible machines that print, cook, and serve foods on a mass scale. And the industry isn't stopping there.

    Food production

    With a 3D printer, a cook can print complicated chocolate sculptures and beautiful pieces for decoration on a wedding cake. Not everybody can do that — it takes years of experience, but a printer makes it easy. A restaurant in Spain uses a Foodini to "re-create forms and pieces" of food that are "exactly the same," freeing cooks to complete other tasks. In another restaurant, all of the dishes and desserts it serves are 3D-printed, rather than farm to table.

    Sustainability(可持续性)

    The global population is expected to grow to 9.6 billion by 2050, and some analysts estimate that food production will need to be raised by 50 percent to maintain current levels. Sustainability is becoming a necessity. 3D food printing could probably contribute to the solution. Some experts believe printers could use hydrocolloids (水解胶体) from plentiful renewables like algae(藻类) and grass to replace the familiar ingredients(烹饪原料). 3D printing can reduce fuel use and emissions. Grocery stores of the future might stock "food" that lasts years on end, freeing up shelf space and reducing transportation and storage requirements.

    Nutrition

    Future 3D food printers could make processed food healthier. Hod Lipson, a professor at Columbia University, said, "Food printing could allow consumers to print food with customized nutritional content, like vitamins. So instead of eating a piece of yesterday's bread from the supermarket, you'd eat something baked just for you on demand."

    Challenges

    Despite recent advancements in 3D food printing, the industry has many challenges to overcome. Currently, most ingredients must be changed to a paste(糊状物) before a printer can use them, and the printing process is quite time-consuming, because ingredients interact with each other in very complex ways. On top of that, most of the 3D food printers now are restricted to dry ingredients, because meat and milk products may easily go bad. Some experts are skeptical about 3D food printers, believing they are better suited for fast food restaurants than homes and high-end restaurants.