문제 내용: The planet is warming, from North Pole to South Pole, and everywhere in between. Globally, the mercury is already up more than 1 degree Fahrenheit, and even more in sensitive polar regions. And the effects of rising temperatures aren't waiting for some far-flung future. They're happening right now. Signs are appearing all over, and some of them are surprising. The heat is not only melting glaciers and sea ice; it's also shifting precipitation patterns and setting animals on the move.
선택지 1: Preventive Measures Against Climate Change
선택지 2: Melting Down of North Pole's Ice Cap
선택지 3: Growing Signs of Global Warming
선택지 4: Positive Effects of Temperature Rise