新视野大学英语第三册第二单元.pptVIP

Iron and the Effects of Exercise ;Warming up;Information about Iron;Everyone needs iron to grow and stay healthy. It is found in many parts of the body. Choose one thing iron works in your body: (reference);Everyone requires a different amount of dietary iron to stay healthy. Which of the groups below needs the most iron each day? (reference);You may be iron deficient if you are a woman and _____. (reference);There are two types of iron. One is heme(亚铁血红素), which is easily absorbed by the body; and the other is non-heme, which is not as well absorbed. Choose one food that contains heme iron. (reference);You may be iron deficient if you ______. (reference);The amount of non-heme iron you absorb is affected by other foods. Choose one food that increases the absorption of non-heme iron. (reference);People who do not eat meat, fish or poultry need to _____. (reference);Iron Challenge; Iron carries oxygen from your lungs to  all parts of your body. Iron also builds  red blood cells. Without enough iron,  you may feel tired and have trouble concentrating.;to question 2;to question 3;to question 4;Symptoms of iron deficiency may include: looking pale, feeling tired, having trouble concentrating, feeling out of breath, not having enough energy, and feeling irritable. ;Oranges are a good source of vitamin C, which can increase the amount of non-heme iron absorbed by up to four times. Meat, fish and poultry can also increase the absorption of non- heme iron. Substances in tea and coffee can lower the amount of non-heme iron your body can use. ;to question 8;to question 10;Page ? *;What is Parkour?;Exercise and Health;text study;structure analysis;Part I (Para. 1-3);Part II (Para. 4-6);Part III (Para. 7-12);Understanding;detailed study;Part I (Para 1-3);Language points in part 1;一系列的研究表明,失业和人口增长不是互不相关的问题。 ;moderate adj.;1. eat or drink;supplement n.v.;bounce v.;Part II (Para 4-6); Effect (Para 4):;respectively adv.;别人尊重自己;He is a ______