单项选择题

The author says that the appropriate way to lose weight is to ______.

A．cut out highly processed foods and drinks
B．eat a variety of fresh or very lightly processed foods
C．eat vegetables and eggs
D．eat foods recommended by a physician

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单项选择题

When the author says that we should intensify our efforts in nutrition education among our young people, he means that we should ______.

A．force young people to eat well-balanced meals
B．tell young people to eat liver , chicken, beef ,or veal
C．teach adolescents about nutrition in home economics class
D．try to change eating habits to get enough iron and other essential nutrients

单项选择题

In the passage the author's attitude towards mixed-ability teaching is ______.

A．critical
B．questioning
C．approving
D．objective