AnExactNumberAtouristwasvisitingNewMexicoandwasamazedatthedinosaurboneslyingabout."Howoldarethesebones?"thetouristaskedanelderlyNativeAmerican,whoservedasaguide."Exactlyonehundredmillionandthreeyearsold."Howcanyoubesosure?"inquiredthetourist."Well,"repliedtheguide,"ageologistcamebyhereandtoldmetheseboneswereonehundredmillionyearsold,andthatwasexactlythreeyearsago.Notes:(1)NewMexico新墨西哥(美国州名)(2)beamazedat对…感到惊诧(3)dinosaurn.恐龙(已绝迹的巨大爬行动物)Exercises根据短文判断下列句子正(T)、(F)：①Thetouristwasfrightenedbythedinosaurboneslyingabout.②TheelderlynativeAmericanservedasaguide.③Theguideknewexactlyhowoldtheboneswere.④Theguidetoldthetouristthehistoryofthebones.⑤Theguidebelievedwhatthegeologisthadsaid.准确数字一位游客在新墨西哥游览。他对随处可见的恐龙化石甚感惊奇。“这些化石有多长的历史?”游客问一个上了年纪的当地美国人。他是作向导的。“整整十亿零三年了。”“你怎么这么肯定?”游客问道。“哦，”向导回答道，“一个地质学家来过这儿，他告诉我说这些化石有十亿年了，再加上那是整整三年前的事了。”参考答案：①FTFFT②③④⑤
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