新视野大学英语读写教程第二版第三册课件Unit 2 Section A.ppt

Iron and the Effects of Exercise
by Sandy Wong
Sept, 2015
Unit 2 Section A
Iron and the Effects of Exercise
n. 影响
have much effect on…
v. make sth. happen
effect a change
Expository writing
What?
How?
Contents
Structure Analysis
Detailed Reading of the Text
Notes to the Text
Review
Writing
Understanding
Read the text quickly and match the following statements with their corresponding paragraphs.
Understanding
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A. The new exercisers who followed their normal diet showed a decrease in iron levels.
B. The average woman takes in only two thirds of the mended daily allowance for iron and more iron loss from exercise causes iron deficiency.
C. Use a better method to check the amount of iron stored in the blood and it’s advisable for both women and men to have a yearly blood test to check blood iron reserves.
D. In general, it’s better to undo the problem by adding more iron-rich foods to the diet.
E. There are several reasons to cause women’s iron deficiency, such as ignoring the amount of iron they take in; monthly bleeding; rejecting red meat and not consuming enough iron-rich food.
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F. A new study shows that inactive women who started a program of moderate exercise showed evidence of iron loss.
G. If you pay attention to warning signs before iron reserves are gone then you can remedy the deficiency in time.
H. There are three stages of iron deficiency.
I. In order to correct iron deficiency, you may select breads and cereals with the “iron-added” labels; cook in iron pans, as food can derive iron from the pan during the cooking process; avoid drinking coffee or tea with meals.
J. Exercise results in iron loss through a variety of mechanisms.
K. The danger you may face when you reach the third stage of iron deficiency.
Structure Analysis
Part I
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What study found about iron and effects of exercise
Part II
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Current situation and causes of iron deficiency
Part III
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Symptom and