对.
happen是指计划之外的“发生”.如:1.The accident happened this morning.事故是今天早晨发生的.2.What happened to you?发生了什么事?
take place通常表示在计划、安排之内的“发生”.如:The dance will take place on Saturday night.舞会将于星期六晚上举行.take place偶尔也表示计划、安排之外的“发生”.如:The accident took place only a block from his home.事故就发生在离他家一个街区的地方.丽娜同学,现在你清楚它们的区别了吗?