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【语篇导读】本文是一篇应用文,主要介绍了世界上四条极棒的铁路。1.B根据文章对四条铁路长度的介绍可知答案。2.C根据文章第三节中“With its opening,direct trains run to Lhasa from Beijing in40 hoursand Shanghai47 hours..”可知答案。3.D根据文章第四节中“This open-sided car allows passengers to experience the fresh mountainair first-hand and take amazing landscape photos.”可知答案。
【语篇导读】本文是一篇说明文,主要介绍了Archaeology from Space一书及其描述的卫星成像和遥感等新技术在考古上的应用。l2.D根据文章第一段中“Space archaeologists use satellite imagery and other remote-sensingtechniques to look for ancient sites on our planet.As archaeologist Sarah Parcak explains inher new book,Archaeology from Space,these tools have transformed studies of ancienttimes.”可知答案。l3.B根据本句中“instruments”和“certain wavelengths of light”可推断,该项技术使用能够适合特定波长的反射光的原理对地下遗址进行探测。l4.D根据文章最后一段中“It feels remarkably timely in this era of climate change reading whatcontributed to the Old Kingdom's fall.Parcak notes that part of archaeology's value lies inlearning lessons in resiliency(适应力)from past societies..”可知答案。l5.C本文通过介绍Archaeology from Space一书及其描述的卫星成像和遥感等新技术在考古上的应用,说明卫星技术正在改变考古学家研究过去的方式。