单项选择题


A．fun
B．work
C．learning
D．prize
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单项选择题
To use chemicals and fertilizers means ______.
A．to increase the amount of foods
B．to increase the quality of foods
C．to increase the amount and quality of foods
D．to increase essential vitamins and minerals
单项选择题
Recently, some people are interested in natural foods because ______.
A．these foods are fresh and sweet
B．they want to change their eating habits
C．these foods do not contain chemical additives and have not been affected by chemical fertilizers
D．they don't like the processed foods
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