单项选择题

What did all of the additives in bread have in common

A．They are all used to keep the bread from getting moldy.
B．They are all poisons.
C．They are all organic.
D．They have all killed laboratory animals.
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单项选择题
What was the main idea of this passage
A．Health foods.
B．The processing of bread.
C．Organic gardens.
D．Poisons.
单项选择题
What happens to food when it is processed
A．The ultimate content remains the same.
B．Vitamin information is not available after processing.
C．Vitamins are added to the food.
D．The vitamin content is reduced.
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