다음 글을 쓴 목적으로 가장 적절한 것은?
While scientists debate the effects of global warming, skiers have simple concerns about the earth’s weather patterns—in other words, where the best snow will fall. Some experts suggesting that winter sports below an altitude of 2,000 meters will become a luxury of the past, skiing in southern Alaska’s Chugach Range will be a wise choice. It becomes a popular destination for outdoor activities and will soon be a necessity for skiers.
① 지구기후변화에 대한 경각심을 알리기 위해서
② 겨울 스포츠의 매력을 알리기 위해서
③ 스키매니어를 위한 스키장을 알리기 위해서