The higher the level of certain vitamins and minerals in the bloodstream, the better a person's lung function, as measured by the amount of air the person can expel in one second. The lung function of smokers is significantly worse, on average, than that of nonsmokers. Clearly, therefore, one way for smokers to improve their lung function is for them to increase their intake of foods that are rich in these helpful vitamins and minerals.
Which of the following is an assumption on which this argument depends?
Smokers are less likely than nonsmokers to have diets that are rich in vitamins and minerals.
The lung function of smokers whose diets are rich in those vitamins and minerals is generally better than that of nonsmokers with comparable diets.
People whose diets are deficient in those vitamins and minerals do not typically have other health problems in addition to diminished lung function.
Stopping smoking will not typically improve lung function more than any diet changes can.
Smoking does not introduce into the body chemicals that prevent the helpful vitamins and minerals from entering the bloodstream.
另类一点的解题方法就是方案推理题
或者因果题都可以
intake of foods that are rich in these helpful vitamins and minerals → improve the lung function of smokers
从削弱的角度就是摄取事物无法改善吸烟者的肺功能
E选项取反是很明显的削弱
类比?
错选A
文中结论:多吃含维生素的食物能提高肺功能。
E取反:smoking影响吸收,削弱了。所以smoking不影响吸引,结论能成立。
总之是影响吸收vitamins和minerals的因素就对了