2013gre考试备考:gre阅读精选题目及答案(三)
想要有效提高GRE阅读水平,就要坚持练习,下面是GRE阅读练习题精选,后附答案。 Scattered around the globe are more than one hundred regions of volcanic activity known as hot spots. Unlike most volcanoes, hot spots are rarely found along the boundaries of the continental and oceanic plates that comprise the Earth’s crust; most hot spots lie deep in the interior of plates and are anchored deep in the layers of the Earth’s surface. Hot spots are also distinguished from other volcanoes by their lavas, which contain greater amounts of alkali metals than do those from ... [ 查看全文 ]2013gre考试备考:gre阅读精选题目及答案(三)的相关文章