Official 7 Lec 2
Question 4 of 6
What surprising information did a recent experiment reveal about lesser spear-nosed bats?

A.

They filter out echoes from some types of trees

B.

They can analyze echoes from stationary objects with complex surfaces

C.

They cannot analyze "jagged" echoes

D.

They cannot analyze echoes from certain types of small moving objects.

正确答案:B

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