单项选择题

A．She’’d like to take her book back.
B．She’’d like to borrow a book.
C．She’’d like to know whether she could order a book that has come in.
D．She’’d like to know whether a book that she’’d ordered has come in.
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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 consumers’’ appetite.
单项选择题
Why are nutritionists concerned about adding vitamins to olestra
A．It may lead to the over-consumption of vitamins.
B．People may be induced to eat more than is necessary.
C．The function of the intestines may be weakened.
D．It may trigger a new wave of fake food production.
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