do not totally depend on those DA_NIU experiences,what is more important is your own experience you summarize in the process of preparation. the answer to why you 可是对如何找出题思路始终不得要领 is pretty simple: your time spent studying it not much. More homework will lead to a much more better understanding of the very apparent secret behind the seeming hard question. You ,yourself ,is a superb DA_NIU when you read a question ,another similiar question come up to your mind.Sure, it does not come in a sudden and, without hard training. it is a gradual process,so,you must be patient.