24. In the passage, the author is primarily concerned with
analyzing and categorizing
comparing and contrasting
synthesizing and predicting
describing and cautioning
summarizing and reinterpreting
25. The passage suggests that it would be easier to calculate fluoride intake from food if
adequate diets were available for most people.
individual eating habits were more uniform
the fluoride content of food was more varied
more people were aware of the fluoride content of food
methods for measuring the fluoride content of food were more generally agreed on
26. One function of the second paragraph of the passage is to
raise doubts about fluorides toxicity
introduce the issue of fluorides toxicity
differentiate a toxic from a nontoxic amount of fluoride
indicate that necessary knowledge of fluoride remains incomplete
discuss the foodstuffs that are most likely to contain significant concentrations of fluoride
27. The passage suggests which of the following about the effect of fluoride on humans?
The effect is more easily measured than is the effect of exposure to pesticides.
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