分析 本文主要讲述了科学家通过研究黄石公园的灰狼种群来预测气候以及气候对动物的影响,
解答 32.C 细节理解题.根据文章第一段"Scientists studying populations of gray wolves in the USA's Yellowstone National Park have developed a way to predict how changes in the environment will affect the animals'number,body size and genetics,amongst other biological features."研究美国黄石公园灰狼种群的科学家们已经开发出一种方法,可以预测环境的变化会如何影响动物的数量、体型和遗传学,以及其他生物学特征.故选C.
33.B 词义猜测题.根据文章内容However,what has not been so clear is what underlies these changes.然而,这些变化背后的原因还不是很清楚.该词在文章中的含义为原因,故选B.
34.D 细节理解题.根据文章内容we simply don't have enough information about most of these species and their environments to confidently make such predictions.我们只是没有足够的资料来了解这些物种和它们的环境.故C项不正确.以及They were then able to investigate how the changing frequency of good and bad years influenced population size genetics,body size and the life history of Yellowstone wolves.他们能够研究好的和坏的年变化频率如何影响种群大小的遗传学、体型和黄石狼的生活史.故选D.
35.B 主旨题.根据文章内容We urgently need more data if we are to understand how the natural world will be affected by continuing climate change.",主要讲述了科学家通过研究黄石公园的灰狼种群来预测气候以及气候对动物的影响,结合选项,故选B
点评 本文是一个科技类阅读,题目涉及多道细节理解题,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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