Ⅰ教学目标：
词汇：revise, discipline, prefer, couple
短语：would rather, would prefer, a couple of,
句式：It’s up to you；I don’t think…
Ⅱ重难点突破：
1. prefer vt. 宁愿（要）；更喜欢 prefer sth.更喜欢某事物
prefer doing sth./ to do sth. 更喜欢做某事
prefer (doing) sth. to (doing) sth.喜欢……而不喜欢……
