GRE阅读难度较高，小编为大家带来GRE阅读：长难句练习1(附翻译)，希望对大家GRE备考有所帮助。 GRE阅读：长难句练习1(附翻译) 1. Unlike most of the world's volcanoes, they are not always found at the boundaries of the great drifting plates that make up the earth's surface; on the contrary, many of them l...