2014
高考英语阅读理解基础练习(4)及答案 (2012•泸州一诊) a dead sixton satellite passed over the west coast and near auckland before burning up over a remote area of the pacific ocean, nasa maps show. the 20yearold upper atmospheric research satellite (uars) dropped about 24 pieces of metal debris (碎片) over 800 km as it entered earth's atmosphere on saturday. nasa data tracks its descent (下落)