题目

Friends are important in our lives, but how to keep our friendship is more important. Here are some ways for you.Write lettersIf your best friend moves to other cities, you could buy the same magazine, E-mail, phone or write each other about the articles(文章) in the magazine that make you laugh. This will make you have the same interest. Don’t forget to visit each other as often as you can.Think of your friends firstWhat are your friends’ thoughts, dreams, hopes and fears? What are her past experiences? From these, you could think of ways to help your friends. You put your friend first,体育课上,同学们在完成400米长跑后,呼吸活动会（   ）A．呼吸频率增加,呼吸深度变浅B．呼吸频率和呼吸深度都会增加C．呼吸频率不变,呼吸深度增加D．呼吸频率和呼吸深度都不会增加