It's useful to get some first aid knowledge (急救知识) in life. When you meet someone who is1 or hurt, you can give him or her some help. Now let's learn about the 2 Cs of first aid.

    Check (检查)

    The two important parts here are to check the3 and to check the person. First, ask yourself: what happened? Is there anything that might put you 4 danger? Then turn your attention to the 5. Is he or she moving or bleeding? Can he or she hear you?

    Call

    Now you should6 what kind of "call for help" is needed and when to do it. For example, if it's too dangerous to get near the person, call for help 7. If you're the only person there, call an ambulance (救护车) as soon as 8. Get someone else to do the call9 there are some other people. Then you can move on to (继续) the care step.

    Care

    Look after the person who is hurt. Don't leave the person by himself or 10 for a long time. Tell him or her that everything will be all right.

    Every year hundreds of people try to climb the world's highest mountain or walk through rainforests(雨林). Let's take a look at two of the 21st century's(世纪的) greatest adventurers(冒险家).

    A mountain climber

    Do you know that more than 4，000 people have climbed Mount Everest? Gerlinde is one of them. She is one of the world's greatest climbers and has climbed all the mountains over 8，000 meters in the world. It's difficult to climb mountains in cold weather, but Gerlinde loves it. She started climbing the mountains near her home as a teenager. When she left school, she became a nurse but always went climbing in her free time.

    An Amazon adventurer

    Ed Stafford is the first person to walk along the Amazon River from the mountains of Peru to the mouth of the river in Brazil. His journey took two years and four months. There are many dangerous animals in the rainforest. But Ed was lucky and he was only bitten(咬) by small insects(昆虫). On his trip, Ed had to look for fruit or catch fish each morning. Sometimes food was hard to find and Ed was often tired and hungry. So he used a radio to ask the people of the rainforest for food and help.

—I have the flu and I can't sleep well at night.

    How can you lead a healthy life? Eating well and playing sports are two (use) ways. An American girl (call) Abby Forrence is trying to teach people how to lead a healthy life.

    Abby is a national ambassador (大使) from the program Fuel Up to Play 60. There only five ambassadors in the US. Abby is 12 and she is in her (eight) grade at Milford Middle School. The program suggests that young people eat healthy food and play sports for sixty every day.

    Abby went to a meeting for the program in Chicago this summer. She learned a lot the meeting. She wanted to make good use of the program (help) stop childhood obesity (肥胖).

    Abby called on other students to lead a healthy life. She taught her classmates how to play outdoor games. It also made a (different) to her life. She learned two new (activity)—field hockey and volleyball.

    Ashley Blake, Abby's teacher, said, "Abby is a good national ambassador. She always an active part in all kinds of sports. She also cares about others. "