2014届高考阅读理解全程冲刺训练(4)英语试卷与答案(带解析).doc
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1、2014届高考阅读理解全程冲刺训练( 4)英语试卷与答案(带解析) 阅读理解 Development of a widely accepted chronology for the arrival of humans has been equally difficult, and it was only with the development of optically stimulated luminescence dating that a human presence in Australia was confirmed at 53,000 to 60,000 years ago. Ol
2、der dates for a human presence in Australia have now been shown to be erroneous . The importance of Australia as a separate natural laboratory in which to test extinction theories lies in the fact that humans arrived there much earlier than they arrived in the other continental areas (the Americas a
3、nd northern Eurasia) that experienced substantial megafaunal extinction. What Miller et al. have shown is that the extinction of Genyornis occurred simultaneously across southeastern Australia (indeed probably right across the continent) about 50,000 years ago. This is very close to the presently ac
4、cepted time of arrival of humans in Australia. It was also a period of modest climate change, well before the dramatic climatic fluctuations of the terminal Pleistocene. The data of Miller et al., therefore, support those who see human hunting rather than climate as causing the extinction of the meg
5、afauna. Genyornis was a ponderous bird, around 80 to 100 kg in weight, about twice as heavy as the living emu and cassowary. It was an inhabitant of Australias inland plains and some coastal regions, but its legs were relatively short and thick, suggestion that it was a slower runner than the emu. P
6、roponents of humancaused extinction suggest that it is just such characteristics that made the megafauna vulnerable to human hunting. A new school of thought has recently established itself in the extinction debate. It advocates the idea that a combination of human impact and climate change was resp
7、onsible for the extinction of the worlds megafauna. The new Genyornis data also weaken that argument, for the following reason. Fifty thousand years ago, Australia was experiencing mild cooling; 11,000 to 12,000 years ago, the Americas were experiencing rapid warming. These disparate climatic condit
8、ions, all coincident with megafaunal extinction, suggest that whatever was happening with climate, it was bad for the big animals. Under these conditions, the hybrid model becomes indistinguishable from the humancaused extinction model for the influence of climate becomes extremely weak, and only th
9、e arrival of humans is important in predicting extinction. 【小题 1】 The last word “megafauna” in Paragraph 2 most probably means A birds. B plants. C big animals. D small animals. 【小题 2】 Genyornis was vulnerable to human hunting because it was A a delicacy. B very weak. C very small in size. D clumsy.
10、 【小题 3】 How many models have been put forward for the extinction of Genyoris A One. B Two. C Three. D Four. 【小题 4】 That Australia experienced mild cooling and the Americas rapid warming suggests that A the climatic conditions were unfit for Genyornis to live. B Genyornis were highly adaptable to dif
11、ferent climatic conditions. C The two climatic conditions were both bad for Genyornis. D The climatic conditions had nothing to do with the extinction of Genyoris. 【小题 5】 The selection is mainly about A the debate over the time of the human presence in Australia. B the relationship between the human
12、 presence and magafaunal extinction. C the relationship between human activities and climatic changes. D the debate over factors causing megafaunal extinction. 答案: 【小题 1】 C 【小题 2】 D 【小题 3】 C 【小题 4】 D 【小题 5】 D 【小题 1】 C big animals. 【本题考点】 词语释义题。 【试题精解】 考生如果有一定的构词法知识一眼就可看出该题的答案:。 “mega”在英文中指 “big”; fa
13、una指 “animals” ,显然 C 为正确答案:。考生如果没有这方面的知识,也可以利用上下文来判断。作者在提到 megafauna后紧接着提到了 Genyornis,在第三段开始对其进行了描述: “Genyornis was a ponderous bird, around 80 to 100kg in weight, about twice as heavy as the living emu and cassowary.” 足见其大。 【考点出处】 第二段末句,但对该词的推断却应联系上下文。 【 小题 2】 D clumsy. 【本题考点】 细节判断题。 【试题精解】 第三段中指出
14、“it is such characteristics that made the megafauna vulnerable to human hunting” “such characteristics” 指的是其 “heavy, short and thick”, 即 “clumsy”。 【考点出处】 根据第三段第二句可知它的腿短而粗,跑得慢, D 项clumsy“笨拙的 ”与句意一致。 【小题 3】 C Three. 【本题考点】 细节判断题。 【试题精解】 文中共提到了三种:( 1) Human hunting;( 2) Climate;( 3)Human impact and cli
15、mate change。 【考点出处】 第二、三、四段中。 【小题 4】 D The climatic conditions had nothing to do with the extinction of Genyoris. 【本题考点】 推理暗示题。 【试题精解】 澳大利亚经历了 “mild cooling”, 美洲经历了 “rapid warming”, 而两个地方都出现了 Genyornis的灭绝,说明气候对其灭绝并未产生什么影响。在文中最后一段作者也指出 “the influence of climate becomes extremely weak, and only the ar
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