2. The venomous spines of lionfish make them virtually invulnerable to
predators, and their _____ appetite for juveniles of native reef fishes makes
them a scourge.
(A) impeccable
(B) insatiable
(C) untenable
(D) irreverent
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統計: A(9), B(85), C(14), D(3), E(0) #2335568
統計: A(9), B(85), C(14), D(3), E(0) #2335568