Have you ever had the following experience? You have been given the task of organizing a conference, which includes a must-do list about a mile long. There is the conference site, the guest list, the materials, the technology and even the food and drink to think about and plan. If you are beginning to feel the stress, slow down and take a breath. {#blank#}1{#/blank#}.

    Write down your goals. You will need to clearly define what you hope to accomplish with this conference because this will shape the rest of your decisions.  {#blank#}2{#/blank#}.

    Develop your budget.  {#blank#}3{#/blank#}. Then break that budget into different parts such as conference site, materials and speakers' fees. Stick to your budget, and make sure your assistants are keeping their monetary limits as well.

     {#blank#}4{#/blank#}. When searching for locations, keep in mind the number of participants, the convenience of the location, parking and closeness to public transportation, airports and hotels. Your goal in finding a place to hold the conference should be making it as easy as possible for participants to attend.

    Seek help from the staff of the conference site. If you have chosen a site that is known for holding conferences, you can seek help from the staff there as organizing meeting is what they do every day.  {#blank#}5{#/blank#}. They should be able to answer any questions or concern and provide advice when needed.

    Of course, full preparations also include a walk-through. Go to the site and meet with the staff the day before to be certain that everything is in place and to take care of any small details.

  A. Decide on a schedule for the meeting

  B. Choose your conference site

  C. Read the following skills to figure out how to organize a conference

  D. Knowing what you want to achieve eases the stress of moving forward

  E. Make full use of this important resource

  F. You can do nothing without knowing how much money you have to spend

  G. Seek help from your colleagues to support every aspect of the meeting

    Are you interested in students in other countries: Do they also have so much homework like you? What do they do in their spare time?

    On April 8,a report came out on the lives of high school students in China,Japan,South Korea and the US.It surveyed（调查）around 6,200 students from the four countries last year.You will find the answers to many of your questions in this report.

    Who study hardest?

    Chinese students spend the most time studying.Nearly half of Chinese students(48.6%) spend more than two hours on their homework every day.That's much more than students of the US(26.4%),Japan(8.2%) and South Korea (5.2%).

    Who sleep most often in class?

    Japanese students fall asleep in class most often.About 45% of them said they sometimes sleep in class.In South Korea, it's 32%;in the US,21%;and 5% in China.

    Who are the most distracted（分心的）?

American students are the most active in class,but also the most distracted.64.2% said they chat with friends in class;46.9% said they eat snacks in class;and 38.9% said they send emails or read storybooks in class.

    What do they do after school?

    In their spare time, most Chinese students study or surf the Internet.Most American students go out to play with their friends.Most Japanese students do physical exercises.Most Korean students watch TV.

A few months after we moved to a small city in France, I wanted to meet my husband for lunch at the university where he worked. I got lost. I had to call him for help. One of his friends said to him later, "How could she get lost? She just needed to go straight."

Well, no. That's the problem. You never "just go straight", because France is the land of roundabouts (弯道). Highways, major streets, little village lanes – if you go straight long enough, you'll end up going in circles.

    Even after a year here, I'd still get lost going to the grocery store, or just about anywhere that wasn't within a hundred yards of my house.

I admit I have a horrible sense of direction, can't read a map, and am not such a good driver. Plus, I've been spoiled (宠坏) by living in American cities, where you just indeed need to "go straight". But in France, driving became my nightmare — the roads are roundabouts within roundabouts.

    Finally I found a solution: a GPS program on my smart phone. I rely on it to get anywhere, even places I've been.

    But it does leave me feeling very bad and helpless when, often, the program doesn't work, can't find a GPS signal, or gives wrong information. I'd have to wait until my GPS gets recovered, or else I use my old solution: I call my husband. Is the GPS making us more stupid, or helping us going around more? In my case, it's probably both.

    A company in San Francisco, California, has found a way to turn used plastic bottles into women's shoes.

    Every day, millions of Americans drink water and other liquids from plastic bottles. More than 60 million of them are thrown away each day. Many of the plastic bottles end up in landfills or are burned with other waste products.

    A San Francisco start-up company called Rothy's, however, turns this plastic waste into environmentally friendly shoes. Roth Martin is the company's co-founder. He explains how they turn plastic into soft material for women's feet. They take the plastic, clean it, and break it down into small pieces. Then they press them through a device that makes soft fibers. Those fibers arc then combined together. This is done by a 3D machine. It is designed to reduce waste while making the shoes. The knitted stuff and the inner part of the shoe arc then attached to the shoe's outer part, called the sole (鞋底).This outer sole is also made from environmentally friendly material: responsibly responsibly sourced no-carbon rubber.

    Rolhy's shoes are sold online. They are flat shoes, with either a rounded or pointed toe. They come in different colors and designs. They cost either $ 125 or $ 145 per pair, depending on the design. After American actress Gwyneth Paltrow discovered them last year, the demand for the shoes grew. Martin says there is no shortage of material to fill that demand. "We're not going to run out of water bottles any time soon. So we have a limitless supply of material, and I think that is a good sign for our future." When the environmentally friendly shoes wear out, customers can return them at no cost to a company that uses the recycled material to make other products.

    For now, the shoes are only available to be shipped in the United States. However, the company says it will add international shipping in the near future.

    In the waters off Brisbane, Australia, a seven­foot­long sand tiger shark swims in pain. A two­foot­long spike sticks out of her side. It's a piece of fishing equipment that the shark ate carelessly. After traveling into her body, the spike punctured(刺) through the shark's stomach.

    A man swimming in the water notices the shark. Then, he warns Sea World Marine Park in the nearby town of Gold Coast. Sea World sends a 12­person team from its rescue center to where the shark was discovered in Moreton Bay Marine Park. Soon, they find her lying on the seafloor. "She'll die without help，"says Trevor Long, leader of the rescue center.

    Using an onboard crane(吊车), the rescuers move the shark into their boat's 13­foot­long tank(缸). Then Dr. David Blyde gives the shark pain medicine and performs an operation to remove the spike. After that, the team sails with the shark to Sea World 33 miles away. They place the fish in a 49­foot­long tank and wait to see if she gets better.

    To give the shark's stomach time to get better, she isn't fed for the first few days. A week after her operation, Long offers the shark a small, dead fish. The animal refuses to eat. But days later when he drops another fish into her tank, the shark enjoys her meal. By now the shark's wounds are getting better.

    Two weeks after her rescue, they take the shark back to the boat and return her to Moreton Bay Marine Park. As the fish is lowered by the crane to the water's surface, two rescuers jump into the ocean and guide her into the sea. From the boat, Long watches her swim away." The shark has another chance," Long says.

    A new officer with the Huntington Park Police patrols (巡逻) local parks 24 hours a day seven days a week. He doesn't need rest, coffee breaks, a salary or medical insurance, and that is because it is a Robocop.

    The main function of the Robocop is to scan and film the surroundings. Besides cameras with night vision that report 360 degrees, it also has a distress button which is located here, so if somebody is to need assistance or they want to contact the communication center, they can do it by way of that distress button. There are people that are monitoring on the other end.

    This newest police employee is self-charging. It's easy to program it and make changes to the software if necessary. Its maintenance (维护) costs are roughly 75 thousand dollars a year. It travels the entire park. It is a programmed path, but the police are able to change the path and adapt it.

    The Robocop can record the license plates (车牌) of passing cars and check them against an online database of stolen cars. It can also help locate a lost iPhone because it is able to determine a smartphone's MAC address. The police can see from the robot if something wrong happens and then come and figure it out.

    The Robocop can't replace its human handlers. The whole goal is to give police more time to do things machines can't do. The police have been having some concerns about safety of the parks and want an extra set of eyes that will help patrol a 24/7.Robocop's creators believe this model known as K5 is best used for providing security at public places like hospitals, parking lots, parks and airports. So far, it seems to be working out just fine.