and, for unknown reasons, intense endurance exercise is sometimes associated with bleeding of the digestive system. The best sources of iron, and the only sources of the form of iron most readily absorbed by the body, are meat, chicken, and fish. Good sources of other forms of iron include dates, beans, and some leafy green vegetables.
81. According to experts who will possibly have iron deficiencies?()
A. High jump athletes.B. Weightlifters.
C. Marathoners.D. Sprinters.
82. Who will show evidence of iron loss?()
A. Inactive women.
B. Active women.
C. Women who do a program of moderate exercises regularly.
D. Women who are inactive and start to do moderate exercises.
83. Who will have a significant decrease in iron levels?()
A. All the women.
B. All the inactive women.
C. Women who start to do moderate exercise and follow their normal diet.
D. Women who start to do moderate exercise and consume additional meat or take iron supplements.
84. Which group of women will possibly have iron loss?()
A. one in four women aged 18 to 45.
B. one in five female teenagers.
C. 80 percent of female endurance athletes.
D. 80 percent of active women.
85. Who will have the least risk of having iron loss?()
A. Women of childbearing age.
B. Women who reject red meat.
C. Women who take dates and beans often.
D. Women who control their weight by taking less meat and vegetables.
二、多项选择题(每小题有两个或两个以上正确选项，请在答题卡上将正确选项对应的字母代号涂黑。多选、错选、漏选、不选均不得分。每小题1.5分，共15分。)
86. “批判的武器当然不能代替武器的批判，物质的力量只能用物质的力量来摧毁，理论一经群众掌握，也会变成物质力量。”这一论断的哲学思想是() 。
A. 理论对实践具有指导作用B. 理论不能代替实践
C. 理论本身就是物质的力量D. 理论的作用可以通过实践表现出来
87. 决定中国新民主主义革命性质的因素是()。
A. 革命的领导者B. 革命的敌人
C. 革命的动力D. 革命的前途
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