When do we mostly form our memories related to smells?
                    举一反三
- When we replay episodic memories it feels like we are accurately reliving the event. This feeling is mostly _______.
 - When do we start to create memories?
 - 5. How do smells bring back memories? (1分)_______________________________________
 - what should we do when we brush our teeth according to the conversation?
 - 中国大学MOOC: What should we do when we practice our speech?
 
