TOEFL Listening: ETS-TOEFL听力机经 - 32EJ845WX9V9MQXNP$

What point does the professor make about lion-fish in the Indian Ocean? A. lion-fish populations are not increasing rapidly in the Indian Ocean B. Lion-fish in the Indian Ocean are more venomous that lion-fish in the Southern Pacific Ocean C. Lion-fish in the Indian Ocean have many natural predators D. Large lion-fish population have damaged the ecosystem