Official 51 Lec 3
答题结果:0/6
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Question 5 of 6
What are Audubon's “mystery birds”?

A.

Bird illustrations created by Audubon that have been lost.

B.

Bird illustrations that do not seem to match any known species.

C.

Bird illustrations that were painted in an uncharacteristically careless manner.

D.

Bird illustrations that Audubon intended to be fanciful rather than realistic.

我的答案:

正确答案:B

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