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The documentation of Earth’s biodiversity is complicated by the (i)_____ taxonomists. Those experts in classifying species tent to be (ii)_____ North American and Europe, whereas most of the undocumented biodiversity is likely in the tropics.
Blank(i)Blank(ii)
A、uneven distribution ofD、clustered in
B、theoretical commitments ofE、oblivious to
C、professional rivalries amongF、exported from
答案:A,D

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