题目

假如你是李华，你在负责本校英语报刊 Heart-to-Heart 栏目，一位同学给该栏目留言，希望得到你的帮助。请你阅读完该同学留言后用英语给她写一封建议信。After I got into senior high school, I joined many clubs, including the volunteer club, dancing club and sports club. I really enjoy these extra curricular activities, but I find it hard to keep up with other students in my study.Should I give up the clubs? What else can I do to improve my study? (A confused girl, Grade 1)注意：1. 词数 100 左右；2. 答题卡上注意书信格式。参下列四种做法，利用了该物质化学性质的是A.用海水晒盐B.用干冰冷藏食品C.用燃烧的蜡烛照明D.分离空气制氧气