题目内容
Their search led to some really strange thing ________ a protein never before seen in the blood of a fish.
A.making up of B.made up of
C.consisted of D.being consisted of
C
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题目内容
Their search led to some really strange thing ________ a protein never before seen in the blood of a fish.
A.making up of B.made up of
C.consisted of D.being consisted of
C