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Conversation One

问题1选项
A.In aisle 2.
B.In aisle 4.
C.In aisle 6.
D.In aisle 8.
问题2选项
A.They are less effective.
B.They are less expensive.
C.They are more effective.
D.They are more expensive.
问题3选项
A.Confirming drug ingredients.
B.Comparing drug brands.
C.Purchasing drugs.
D.Comparing drug prices.
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