Will dead species come back to life.pdf

BBC LEARNING ENGLISH Take Away English 随随身英身英语语 Will dead species come back to life?长毛象死而复生？长毛象死而复生？关于台词的备注:请注意这不是广播节目的逐字稿件。本文稿可能没有体现录制、编辑过程中对节目做出的改变。請注意：中文文字内容只提供簡體版 Take Away English British Broadcasting Corporation 2015 Page 1 of 4 Vocabulary:Genetics 遗传学，基因学 A team of international scientists has published the complete genome of the woolly mammoth a creature which became extinct thousands of years ago.The study,published in the Journal Current Biology,will probably cheer up a team of Harvard University researchers whove been planning to add mammoth genes to the stem cells of elephants.Their aim is to find out how the mammoths adaptations helped them survive the ice ages.The Long Now Foundation,based in San Francisco,is financing the Harvard team and has daring plans for the future if the species is resurrected.It says on its website that its goal is to produce new mammoths that are capable of repopulating the vast tracts of tundra and boreal forest in Eurasia and North America.They say:The goal is not to make perfect copies of extinct woolly mammoths,but to focus on the mammoth adaptations needed for Asian elephants to live in the cold climate of the tundra.But how close are we from a Jurassic-Park-like scenario in which extinct animals are brought back to life?Very far,according to some experts.Professor Beth Shapiro,of the University of California,Santa Cruz,wrote a book called How to Clone a Mammoth.She is sceptical and believes there is an enormous difference between an embryo in a lab dish and a living animal with some of the characteristics of a mammoth.And we cant even be sure if the elephants surrogate pregnancy would be successful.Woolly mammoths died out some 4,000 years ago.It might take a long time before the fantasy of the Steven Spielberg movies is turned into reality.And thats fine for those of us who can remember that the resurrected dinosaurs on the screen gave the humans a pretty hard time.If mammoths come back,maybe it would be a good idea to start running 词汇表请参看答案与词汇部分 Will this be a future sight in North America?Take Away English British Broadcasting Corporation 2015 Page 2 of 4 Quiz 测验测验 阅读短文并回答问题。1.In what way do the Harvard University team plan to revive the mammoth?2.Which organisation wants to see mammoths back in the wild?3.True or false?Its easy to clone a mammoth because elephants are their relatives.4.Which movie by US director Steven Spielberg shows resurrected dinosaurs?5.Which noun in the article means something which is not real?Exercise 练习练习 请你在不参考课文的情况下完成下列练习。从每个表格中选择一个意思合适的单词填入句子的空格处。1.Twins develop from two different _.embryos genes pregnancies clones 2.Getting men to walk on the Moon was a very _ feat.fantasy daring sceptical pretty 3.The farmers are fighting for a huge _ of land west of the river Nile.The case will end up in the high court!tundra forest tract ice age 4.My neighbour agreed to act as a _ mother for her aunt and uncle.pregnancy relative stem cell surrogate 5.Ive missed so many classes Im having a _ time preparing for tomorrows exam.pretty cheer up hard daring Take Away English British Broadcasting Corporation 2015 Page 3 of 4 Answers and Glossary 答案与词汇答案与词汇 Quiz 小测验小测验 1.In what way do the Harvard University team plan to revive the mammoth?They plan to add mammoth genes to the stem cells of elephants.2.Which organisation wants to see mammoths back in the wild?The Long Now Foundation,which is based in San Francisco.3.True or false?Its easy to clone a mammoth because elephants are their relatives.False.Professor Beth Shapiro says we cant be sure the elephants pregnancy would be successful.4.Which movie by US director Steven Spielberg shows resurrected dinosaurs?Jurassic Park.5.Which noun in the article means something which is not real?Fantasy.Exercise 练习练习 1.Twins develop from two different embryos.2.Getting men to walk on the Moon was a very daring feat.3.The farmers are fighting for a huge tract of land west of the river Nile.The case will end up in the high court!4.My neighbour agreed to act as a surrogate mother for her aunt and uncle.5.Ive missed so many classes so Im having a hard time preparing for tomorrows exam.Take Away English British Broadcasting Corporation 2015 Page 4 of 4 Glossary 词汇表词汇表 genome 染色体组，基因组染色体组，基因组 woolly mammoth 长毛象长毛象 extinct 灭绝的，绝种的灭绝的，绝种的 gene 基因基因 stem cell 干细胞干细胞 adaptation 为适应环境而做出的改变为适应环境而做出的改变 daring 大胆创新的大胆创新的 to resurrect 使复活，使重新出现使复活，使重新出现 tract 大片土地大片土地 Eurasia 欧亚大陆欧亚大陆 to clone 克隆克隆 embryo 胎儿胎儿 lab dish 实验室用的实验室用的细菌培养细菌培养皿皿 surrogate 代孕代孕