托福阅读考试部分,词汇题的考察,也是考试的重点。想要在考试中更全面的作答这类题目,日常备考中,具体的这类词汇题内容是什么?如何更好的掌握题型特点,提高我们的答题分数,有效的备考。下面小编为大家整理了详细的内容,供大家参考!

  Paragraph 5: There is little doubt, however, that desertification in most areas results primarily from human activities rather than natural processes. The semiarid lands bordering the deserts exist in a delicate ecological balance and are limited in their potential to adjust to increased environmental pressures. Expanding populations are subjecting the land to increasing pressures to provide them with food and fuel. In wet periods, the land may be able to respond to these stresses. During the dry periods that are common phenomena along the desert margins, though, the pressure on the land is often far in excess of its diminished capacity, and desertification results. 【OG- Desert Formation】

  3. The word “delicate” in the passage is closest in meaning to

  ○fragile

  ○predictable

  ○complex

  ○valuable

  答案:(1)

  Paragraph 6: Four specific activities have been identified as major contributors to the desertification processes: overcultivation, overgrazing, firewood gathering, and overirrigation. The cultivation of crops has expanded into progressively drier regions as population densities have grown. These regions are especially likely to have periods of severe dryness, so that crop failures are common. Since the raising of most crops necessitates the prior removal of the natural vegetation, crop failures leave extensive tracts of land devoid of a plant cover and susceptible to wind and water erosion. 【OG- Desert Formation】

  5. The word “progressively” in the passage is closest in meaning to

  ○openly

  ○impressively

  ○objectively

  ○increasingly

  7. The phrase “devoid of” in the passage is closest in meaning to

  ○consisting of

  ○hidden by

  ○except for

  ○lacking in

  答案:(4)(4)

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