2. 外语
  3. One way to predict the effects of global climates change on an ecosystem is to extrapolate current trends in global change facto

One way to predict the effects of global climates change on an ecosystem is to extrapolate current trends in global change facto

admin2022-11-11  99
问题 One way to predict the effects of global climates change on an ecosystem is to extrapolate current trends in global change factors into the future. A (i)________of this method is that its predictions (ii)________actual observations, but the method also makes the questionable assumptions that the future will, resemble the present.
Blank (i)      Blank (ii)
A. virtue      D. dispense with
B. drawback    E. derive from
C. peculiarity F. improve upon
选项
答案A,E
解析 第一句完整：一种预测全球气候变化对生态系统的影响的方法是extrapolate(推断)目前全球气候变化因素的趋势into the future。第二句说这种方法的(i)________是它的预测(ii)________actual observations。but后语义转折，说这个方法makes the questionable assumptions，显然是负评价，所以but前应该说这种方法好，所以空格(i)填正评价词，选项A的virtue最符合。有同学错选C项peculiarity(different from the usual or normal)，该词强调独特性。文中强调的是好处，所以virtue更合适。空格(ii)表示的是预测(predictions)怎样了实际观察(actual observations)，表示的是这个方法的内容，所以空格(ii)对应前面的extrapolate current trends in global change factors into the future。选项E符合。
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