单项选择题

A. They are talking about the protection of the natural resources.
B. They are talking about the exportation of the man’s country.
C. They are talking about the natural resources of different countries.
D. They are talking about the cooperation among different countries.
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单项选择题
A. It is good to keep onions with potatoes. B. Fruits can be made worse by refrigeration. C. The onions should not be put in the refrigerator. D. All kinds of food can be put in refrigerator to keep fresh.
A. It is good to keep onions with potatoes.
B. Fruits can be made worse by refrigeration.
C. The onions should not be put in the refrigerator.
D. All kinds of food can be put in refrigerator to keep fresh.
单项选择题
A. Eggs. B. Garlic.C. Honey. D. Stone fruits, such as peaches and plums.
A. Eggs.
B. Garlic.
C. Honey.
D. Stone fruits, such as peaches and plums.
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