Mood-dependent learning is superior retrieval of memories when people remain in same mood as it was during encoding. When people learnt some knowledge under a specific emotion situation, also called as mood, it will be more easily for them to recall those knowledge clearly under the some mood. It is a strategy that I can use for my future exam. As professors usually set the time for midterms at the beginning of every semester and give out the practice test several weeks before the exam, I have enough time to reproduce a simulation test in order to consolidate my knowledge. For example, MAth220's final exam will be held at 8:00-11:00 am on Dec.15th. Then I may select a morning and prepare myself as if I were taking the real test. Setting an