1, a: Iron mainly exists in hemoglobin. Women need more iron because they bleed periodically every month.
2.b: Milk and beans are on the fourth floor of the Dietary Pagoda.
3. A: Eating too much sugar is not a healthy eating habit.
4.b: conceptual error. High-quality protein refers to the types and contents of essential amino acids. Although protein's absorption rate is not low, it is definitely not complete.
5.b: Maybe moldy food is a good thing before it becomes moldy. Once moldy, various toxins produced by microorganisms and changes in the composition of food itself under the action of microorganisms may cause food poisoning or cancer.
Second, multiple choice questions
1, c: Many people know that hyperthyroidism can cause goiter, which is also one of the symptoms of iodine deficiency.
2.d: China and the Nutrition Society of WHO stipulate that in order to prevent hypertension, the daily salt intake of adults should not exceed 6g.
3. A: The environment and emotions during eating will affect appetite and digestion.
4. A: B vitamins mainly exist in the seed coat and germ of grain.
5.c: concept problem.
Third, multiple choice questions
1、AB 2、ABCDE 3、ABCDE 4、AB 5、AB
This problem is mostly the concept and basic knowledge of nutrition. It is not difficult to make a judgment by referring to the corresponding content.