新视野大学英语3课文辅导.doc

《新视野》第三册
Unit 2 Section A Iron and the Effects of Exercise
1. Pre-reading
Background information
Medicine & Science in Sports & Exercise features original investigations, clinical studies, prehensive reviews on current topics in sports medicine and exercise science. With this leading multidisciplinary journal, exercise physiologists, physiatrists, physical therapists, team physicians, and athletic trainers get a vital exchange of information from basic and applied science, medicine, education, and allied health fields. Its original articles report on new educational developments as well as sound physical fitness practices and the treatment of sports injuries. The journal helps readers enhance their basic understanding about the role of physical activity in human health and function.
The digestive system is a series of ans joined in a long, twisting tube from the mouth to the anus. Inside this tube is a lining called the mucosa. In the mouth, stomach, and small intestine, the mucosa contains tiny glands that produce juices to help digest food.
Topic-related listening
1. 3 Topic-related discussion
2. While-reading
. Understanding the major details of the text
1) If a woman suffers from iron deficiency, what can she do to bounce back? (She may consume meat or take iron supplements.)
2) How does exercise cause iron deficiency ? (Through a variet