相關Withglobalwarmingand的文學知識

問題詳情：閱讀下面短文，根據其內容寫一篇60詞左右的內容概要。   Withglobalwarmingandmeltingice,itisn’teasybeingapolarbearanymore.Somestudieshavepredictedthatpolarbearscoulddieoutbytheendofthecentury.Th...