单项选择题

Passage Three
Questions 33 to 35 are based on the passage you have just heard.

A. To encourage rats to drink vitamin-enriched water.
B. To find out rats’ preference in flavor.
C. To test whether rats know which drink is good for them.
D. To demonstrate that vitamins are tasteless.
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单项选择题
A. People are satisfied with their appearance.B. People are concerned about appearance in old age.C. People are far from neglecting what is in fashion.D. People are reluctant to follow the trends in fashion.
A. People are satisfied with their appearance.
B. People are concerned about appearance in old age.
C. People are far from neglecting what is in fashion.
D. People are reluctant to follow the trends in fashion.
单项选择题
A. They were controlled less strictly. B. They were worse off.C. They affected more people’s health. D. They put out more unhealthy products.
A. They were controlled less strictly.
B. They were worse off.
C. They affected more people’s health.
D. They put out more unhealthy products.
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