单项选择题

The author of the passage thinks that ______.

A．the Framingham study is of doubtful validity
B．the "Ideal Weights" tables may not be very accurate
C．most people should lose weight
D．most people should put on weight

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单项选择题

The Framingham study ______.

A．still examines 5,200 men and women
B．was completed in 1980
C．has been going for more than 30 years
D．focused only on lifeexpectancy of the heaviest and lightest groups

单项选择题

The most suitable title for the passage would be ______.

A．The Framingham Health Study
B．5,200 Men and Women Can't be Wrong
C．Fashion is Wrong about Weight
D．Weight and life Expectancy: Unexpected Proof