文档介绍：Book 3 Unit 2
Iron and Effects of Exercise
Problem
Analysis
Solution
Evaluation
The whole essay is written in a typical problem-analysis-solution-evaluation pattern.
I. Structure Analysis
Part I
(Para. 1-3)
Central Topic:
Supporting details:
Exercise, even moderate exercise,
may lead to reduced iron in the blood
of women.
A new study is cited to support the
topic.
Text Study—Structure Analysis
Part II
(Para. 4-6)
Effect (Para. 4):
Iron deficiency is mon among women.
Cause 1 (Para. 5)
Cause 2 (Para. 6)
(As to Cause & Effect writing, please go to Structure Writing)
Text Study—Structure Analysis
Text Study—Structure Analysis
Part III
(Para. 7-12)
3 stages of iron deficiency (Para. 7-8)
Check iron deficiency (Para. 9)
Suggested ways to correct iron deficiency (Para. 10-12)
II. Understanding Main ideas
Text Study—Understanding
The text looks into the question of iron and how exercise can affect its levels
in the human body. With the help of the given hints and according to the text, use your own words to elaborate the
relevant points.
Text Study—Understanding
Main Idea of Part II (Para. 4-6)
take in; only 2/3 of the mended daily allowance
iron
loss
…
…
1. Too many women ignore the amount of iron they take in;
2. Women's monthly bleeding is a major source of iron loss;
3. Many women increase their risk of iron loss by rejecting red meat;
4. Women are liable to experience a deficiency as a result of restricting their diet in weight control
4 general causes for iron deficiency (Para 4-6):
Text Study—Understanding
Main Idea of Part III (Para. 7-12)
3 stages of iron deficiency (Para. 7-8)
Stage 1
symptoms
Stage 2
Stage 3
+
fatigue and
poor performance
often feel weak, tired and out of breath
Text Study—Understanding
Check iron deficiency (Para. 9)
checking
the blood protein
a pound
Suggested ways to correct iron deficiency (Para. 10)
+
iron-rich foods
Best sources of irons?
Main Idea of Part III (Para. 7-12)
meat