As a tool for public health policy, the epidemiological study of disease has one major advantage over experiments studying the effects of toxic substances on animals: there is never any call for extrapolating inferences across species in epidemiology.

Which of the following can be inferred from the passage above?

A.In epidemiology, extrapolating inferences across species is only an auxiliary tool.

B.Epidemiology is a very precise science.

C.In epidemiology, human populations are studied directly.

D.Toxicological experimentation on animals is more expensive than are epidemiological studies.

E.Toxicological experimentation on animals yields results less quickly than do epidemiological studies.

答案：(C)

对于新GRE逻辑阅读，考生除了采取题海战术，其实更应该做的就是总结。如果能从平日的练习中找到解新GRE逻辑阅读题的思路，那么，要比采取题海战术更好。