单项选择题

What is a possible negative effect of olestra according to some critics

A．It may impair the digestive system.
B．It may affect the overall fat intake
C．It may increase the risk of cancer.
D．It may spoil the consumer's appetite.

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单项选择题

People working in a not-for-profit organization

A．seem to be difficult to satisfy
B．are free to express diverse opinions
C．are less effective in making decisions
D．find it easier to reach agreement

单项选择题

Olestra is different from ordinary fats in that ______.

A．it passes through the intestines without being absorbed
B．it facilitates the absorption of vitamins by the body
C．it helps reduce the incidence of heart disease
D．it prevents excessive intake of vitamins