[9급 국가직 영어 2018년 4번]

It would be difficult ① to imagine life without the beauty and richness of forests. But scientists warn we cannot take our forest for ② granted. By some estimates, deforestation ③ has been resulted in the loss of as much as eighty percent of the natural forests of the world. Currently, deforestation is a global problem, ④ affecting wilderness regions such as the temperate rainforests of the Pacific.