9. Which of the following terms is defined in the passage?
(A) canopy(line 1)
(B) warm blooded(line 5)
(C) terminal leaves(line13)
(D) springboard(line 21)
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統計: A(7), B(0), C(3), D(0), E(0) #802232
統計: A(7), B(0), C(3), D(0), E(0) #802232