Unit 6 Work quietly! 一、 核心词汇 1.单词: keep 保持某种状态 turn 顺序 2.短语: doing morning exercises(正在)做早操 having … class(正在)上课 eating lunch(正在)吃午饭 reading a book(正在)看书 listening to music(正在)听音乐 keep to the right 靠右 talk quietly 小声讲话 take turns 按顺序来 keep your desk clean 保持你的课桌干净