Unit1 how often 多久一次exercise v.& n.锻炼skateboard v.踩滑板hardly adv.几乎不ever adv.曾，曾经once adv.一次twice adv.两次time n.次，次数surf v.在冲浪Internet n.网络program n.节目，表演high school 高中，完全中学result n.结果active adj.活跃的，积极的for prep.对于，在方面as for 至于,关于about adv.几乎，大约junk n.废弃的旧物junk food 垃圾食品milk n.牛奶coffee n.咖啡chip n.（食物等的）薄片cola n.可乐chocolate n.巧克力drink v.喝，饮health n.健康，健康状况how many 多少interviewer n.采访者habit n.习惯try v.试图，设法，努力of course 当然look after 照顾，照看
