33.What doesthe underlined word“it” in paragraph 3 refer to?A.The study.B.ThewarmingtemperatureC.The sea iceD.The effect.34.What does the research tea...
33.What doesthe underlined word“it” in paragraph 3 refer to?A.The study.B.ThewarmingtemperatureC.The sea iceD.The effect.34.What does the research tea...
33.What doesthe underlined word“it” in paragraph 3 refer to?A.The study.B.ThewarmingtemperatureC.The sea iceD.The effect.34.What does the research tea...