单项选择题


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A.Does not greatly improve.
B.Greatly improves.
C.Does not improve.
D.Is not as good as before.
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单项选择题
A.To show how dependent men axe on a particular food.B.To show how primitive the diet of some people is.C.To show what different foods are eaten.D.To show-the adaptability of man as regards his diet.
A.To show how dependent men axe on a particular food.
B.To show how primitive the diet of some people is.
C.To show what different foods are eaten.
D.To show-the adaptability of man as regards his diet.
单项选择题
A.They have great power.B.They have very diversified responsibilities.C.They are very modern and efficient.D.They are so smart.
A.They have great power.
B.They have very diversified responsibilities.
C.They are very modern and efficient.
D.They are so smart.
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