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At room temperature 18 ~ 25℃, the human body is in an empty stomach, lying flat, awake and quiet state, which is called the basic state. At this time, the minimum energy metabolism necessary to maintain basic life activities such as heartbeat and breathing is called basal metabolism (BM). Its value is related to gender, age, height, weight and health status. To achieve great things, you need to have the temperament of daring to keep forging ahead. This temperament requires us to work hard and be good at learning. Be able to give up the well-off life you may have and firmly take the first step to create a great cause; In addition, we should learn to give up and shut the word impossible at the same time of perseverance and perseverance.