Question 2 is based on the news report you have just heard.

听力原文

    (1)[A poisonous fish which has a sting strong enough to kill a human is invading the Mediterranean, ]warned scientists. The International Union for the Conservation of Nature has raised concerns after (1)[ the poisonous fish was spotted in the waters around Turkey, Cyprus and the eastern Mediterranean.] Native to the South Pacific and Indian Ocean, the potentially deadly fish has poisonous hooks and a painful sting capable of killing people. Although fatalities are rare, the stings can cause extreme pain and stop people breathing. The fish, often known as Devil Firefish, is a highly invasive species, (2)[ and environmentalists fear its arrival could endanger other types of marine life.] After being spotted in the Mediterranean, a marine scientist says, “The fish is spreading, and that’s a cause for concern.”

2. What is the environmentalists’ concern about the spread of Devil Firefish in the Mediterranean?

解析：C。鉴于选项内容均为负面的结果，推测题干可能询问某事物带来的消极影响，听音时需留意。根据录音末尾可知，环保主义者担心它（魔鬼火鱼）的到来会危及其他种类的海洋生物。C项内容与录音表述一致，其中pose a threat是对录音中endanger的同义替换，other marine species是对录音中other types of marine life的同义替换，故正确答案为C。

错项排除：A、B、D三项中的greenhouse emissions、food chains以及pollute the surrounding waters在录音中均未提及，故排除。