听短文，将下列句子补充完整。 1. ________ are good seasons for outdoor activities. 2.It is important that you should take ______box in order to give simple medical treatment to someone in great need as soon as possible. 3. When hiking in a group, young people have a good chance to learn______ of team. 4. If you see a snake nearby during the hiking, you should _____quietly for it to go away. 5. You should tie something _____ the bite to stop the poison from spreading to other parts of the body if you or someone else is bitten. Then you should send for help.