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1 The new medicine seems effective because many patients claim they have ________ a great deal from taking it.
103 統測
A invented
B benefited
C exchanged
D founded
  

新的藥似乎是有效的，因為許多病人聲稱他們服用它後獲益很多。

invented 發明 ；benefited獲益 ；exchanged交換 ；founded 建立