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从所给的四个选项中选择最佳答案
The science of medicine, ______ progress been made very rapidly lately, is perhaps the most important of all the sciences.
[ ]
A.in which B.of which C.which D.to which
答案:A
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题目内容
从所给的四个选项中选择最佳答案
The science of medicine, ______ progress been made very rapidly lately, is perhaps the most important of all the sciences.
[ ]
A.in which B.of which C.which D.to which