新SAT官方指南阅读第五篇全解析VIP免费

官网网站：imzsat.genshuixue.com________________________________________________________________1新 SAT 官方指南阅读第五篇全解析Passage 1 is adapted from Michael Slezak, “Space mining：the Next Gold Rush?” ○C 2013 by New Scientist.Passage 2 is from the editors of New Scientist, “Taming the Final Frontier.” ○C 2013 by New Scientist.Passage 1Follow the money and you will end up in space. That’s the message from a first-of-its-kindforum on mining beyond Earth.Convened in Sydney by the Australian Centre for Space Engineering Research, the eventbrought together mining companies, robotics experts, lunar scientists, and government agenciesthat are all working to make space mining a reality.5The forum comes hot on the heels of the 2012 unveiling of two private asteroid-mining firms.Planetary Resources of Washington says it will launch its first prospecting telescopes in two years,while Deep Space Industries of Virginia hopes to be harvesting metals from asteroids by 2020.Another commercial venture that sprung up in 2012, Golden Spike of Colorado, will be offeringtrips to the moon, including to potential lunar miners.10Within a few decades, these firms may be meeting earthly demands for precious metals,such as platinum and gold, and the rare earth elements vital for personal electronics, such asyttrium and lanthanum. But like the Gold rush pioneers who transformed the Western UnitedStates, the first space miners won’t just enrich themselves. They also hope to build an off-planeteconomy free of any bonds with Earth, in which the materials extracted and processed from the15官网网站：imzsat.genshuixue.com________________________________________________________________2moon and asteroids are delivered for space-based projects.In this scenario...