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英语翻译Millionsofyearsago,thedinosaurs(恐龙)ruledtheearth.Sincethen,therehavebeennodinosaurs.Whathappenedtothen?Weknowtheydidnotalldieatonce.Itmayhavetakenafewmillionyearsforallofthemtodie.Inthedaysofthe

题目详情
英语翻译
Millions of years ago,the dinosaurs(恐龙) ruled the earth.Since then,there have been no dinosaurs.What happened to then?We know they did not all die at once.It may have taken a few million years for all of them to die.In the days of the dinosaurs,the whole earth was warm and wet.There were many green jungles(丛林).But the earth changes slowly,all the time.When parts of the earth became cold and dry,the jungles there died.Then dinosaurs could not find enough to eat.This must be on reason why the dinosaurs died out.
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答案和解析
百万年前,恐龙统治着地球.而后,恐龙灭绝了.究竟发生了什么?我们知道它们不是突然灭绝的,而可能是在几百万年间全部灭绝的.恐龙生存的年代,整个地球的气候温暖潮湿,有许多丛林.然而,地球的气候不断逐渐改变.当一些地域的气候变得寒冷干燥时,这部分的丛林便死去了.恐龙无从觅食物.这可能是恐龙灭绝的原因之一.