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Before about 1960, virtually all accounts of evolution assumed most adaptation to be a product of selection at the level of populations; recent studies of evolution, however, have no found (i)_____this (ii)_____view of selection.
Blank(i)Blank(ii)
A、departures fromD、controversial
B、basis forE、innovative
C、bias fromF、pervasive
答案:B,F

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