单项选择题

The passage suggests that which of the following would be LEAST important in determining whether a research subject is likely to contract coronary heart disease

A． The ratio of LDL to HDL in the subject's blood
B． The subject's level of blood cholesterol
C． The subject's percentage of body fat
D． The subject's degree of physical inactivity
E． The consumption ratio of polyunsaturated fats to monounsaturated fats

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单项选择题

VESTIGIAL:

A． impressionable
B． consistently formed
C． pretentious
D． declining
E． entirely matured

单项选择题

Which of the following best describes the organization of the passage

A． Factual data are presented and a hypothesis is proposed.
B． A distinction is introduced then shown not to be a true distinction.
C． A thesis is paraphrased, and two assumptions on which it is based are clarified.
D． A definition is challenged, and two reasons for the challenge are given.
E． An opinion is offered and then placed within a historical framework.