分析 本文主要講述了科學(xué)家通過研究黃石公園的灰狼種群來預(yù)測氣候以及氣候?qū)游锏挠绊懀?/p>
解答 32.C 細節(jié)理解題.根據(jù)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."研究美國黃石公園灰狼種群的科學(xué)家們已經(jīng)開發(fā)出一種方法,可以預(yù)測環(huán)境的變化會如何影響動物的數(shù)量、體型和遺傳學(xué),以及其他生物學(xué)特征.故選C.
33.B 詞義猜測題.根據(jù)文章內(nèi)容However,what has not been so clear is what underlies these changes.然而,這些變化背后的原因還不是很清楚.該詞在文章中的含義為原因,故選B.
34.D 細節(jié)理解題.根據(jù)文章內(nèi)容we simply don't have enough information about most of these species and their environments to confidently make such predictions.我們只是沒有足夠的資料來了解這些物種和它們的環(huán)境.故C項不正確.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.他們能夠研究好的和壞的年變化頻率如何影響種群大小的遺傳學(xué)、體型和黃石狼的生活史.故選D.
35.B 主旨題.根據(jù)文章內(nèi)容We urgently need more data if we are to understand how the natural world will be affected by continuing climate change.",主要講述了科學(xué)家通過研究黃石公園的灰狼種群來預(yù)測氣候以及氣候?qū)游锏挠绊,結(jié)合選項,故選B
點評 本文是一個科技類閱讀,題目涉及多道細節(jié)理解題,做題時結(jié)合原文和題目有針對性的找出相關(guān)語句進行仔細分析,結(jié)合選項選出正確答案.推理判斷題也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確答案,切忌胡亂猜測,一定要做到有理有據(jù).
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