分析 文章讲述了德克萨斯州的大学研究人员在进行一个"诺亚方舟"工程,旨在克隆拯救濒临灭绝的物种,而中国在用类似的技术拯救熊猫.
解答 28---31 BBCD
28题答案是B.细节理解题.根据Noah's Ark is aimed at collecting eggs,embryos(胚胎),semen and DNA of endangered animals and storing them in liquid nitrogen(氮).If certain species should become extinct,Dr.Duane Kraemar,a professor in Texas A&M University Medicine,says there would be enough of the basic building blocks to reintroduce the species in the future."诺亚方舟"旨在收集濒临灭绝的物种的蛋,胚芽,DNA等,储存在液态氮里,一旦这些物种灭绝,将重新建设它们,即拯救濒临灭绝的物种,故选B.
29题答案是B.词义猜测题.根据后文的They are trying to do something that's never been done他们正在尝试做的是以前从没做过的事情,即他们做的是首创的,先锋的,所以groundbreaking等同于pioneering.故选B.
30题答案是C.文章大意题.文章讲述了克隆物种的可能性,对中国而言,则是克隆熊猫的可能性.故选C.
31题答案是D.细节理解题.根据It is estimated that as many as 2,000species of mammals,birds reptiles will become extinct in over 100years预计100年后将有2000个物种灭绝,涉及哺乳类,鸟类,爬行类动物.故选D.
点评 本文是新闻报道类阅读理解.做这类题材阅读理解时要求考生对文章通读一遍,做题时结合原文和题目有针对性的找出相关语句进行仔细分析,结合选项选出正确答案.推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案,切忌胡乱猜测,一定要做到有理有据.
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