7. According to paragraph 4, what makes
jumping from one tree crown to another
difficult for small mammals?
(A) Air friction against the body surface
(B) The thickness of the branches
(C) The dense leaves of the tree crown
(D) The inability to use the front feet as hands
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統計: A(7), B(3), C(0), D(2), E(0) #802230
統計: A(7), B(3), C(0), D(2), E(0) #802230