1. Problem- Analysis- Solution(阿憲解决沟 Back Analysis of specific causes for it:?(Paras. 5-6) (1)The average woman takes in only 2/3 of the recommended daily allowance for iron, which would easily cause iron deficiency if they take some exercises. (Para. 5) (2) Some iron is lost in sweat, and intense endurance exercises may cause iron deficiency through bleeding of the digestive system and bleeding of the blood vessels in the feet. (Para. 6) >>more>>>more Analysis of specific causes for it: ? (Paras. 5 - 6) (1) The average woman takes in only 2/3 of the recommended daily allowance for iron, which would easily cause iron deficiency if they take some exercises. (Para. 5) (2) Some iron is lost in sweat, and intense endurance exercises may cause iron deficiency through bleeding of the digestive system and bleeding of the blood vessels in the feet. (Para. 6) Back 1. Problem-Analysis-Solution (问题解决法)