单项选择题

Which of the following is NOT mentioned in the passage

A．Chickens are fed on food which is little better than garbage.
B．Chickens live in very crowded condition.
C．The eggs chickens produce lack vitamins.
D．Chickens are free to move about.

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热门试题

单项选择题

The passage tells us that_________.

A．sugar is bad for the health
B．the use of sugar is habit forming
C．people need sugar to give them energy
D．sugar provides us with nothing useful

单项选择题

Which of the following is a reason for people' s growing interest in natural foods

A．They want to return to nature.
B．They want to eat all kinds of foods.
C．Natural foods are very delicious.
D．They are more health conscious.