中文谷Sincethe1980s,thescientistshavedevotedthemselvestother...
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問題詳情：
Since the 1980s, the scientists have devoted themselves to the research _______ finding a new cure for the disease.
A. setting foot in B. ended up with C. starting with D. aimed at
【回答】
D
知識點：動詞
題型：選擇題
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