单项选择题

"Couch potatoes" probably means ______.

A．people who suffer high mortality
B．people who take little exercise
C．people who walk 40 miles a week
D．people who have a lower rate of heart disease

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热门试题

单项选择题

The author seems to believe that the past explanations for taboos concerning eating are______.

A．implausible
B．incomplete
C．ill-founded
D．inelegant

单项选择题

If the argument in the passage is valid, taboos against eating in-the presence of others who are NOT also eating would be LEAST likely in a society that ______.

A．always had a plentiful supply of food
B．emphasized the need to share worldly goods
C．emphasized the value of privacy
D．discouraged overindulgence