课堂教学目标的设定通常需要关注四个要素：Who,Will do what, Under what conditions, To what degree。请根据上述四个要素简述下列教学目标所存在的问题（12分），并改写该教学目标。（8分）Teaching Objectives: 

Enable students to talk about festivals and customs in English and express or support an opinion with suitable expressions.