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托福阅读真题100篇原文+题目(七十九)

2018-04-24 10:44:01来源:网络

  阅读部分也是托福考试的一大难点,其实托福阅读提升的障碍主要集中在两个方面,一个是时间,一个是理解。大家要在有限的时间里,快速的阅读并且作对题目。那么同学们在平时的复习中,就要多找一些真题来加强练习了,新东方在线托福网为大家推荐的是托福阅读真题100篇。

【点击查看托福阅读真题100篇原文+题目汇总】

  PASSAGE 79

  Some animal behaviorists argue that certain animals can remember past events, anticipate future ones, make plans and choices, and coordinate activities within a group. These scientists, however, are cautious about the extent to which animals can be credited with conscious processing.

  Explanations of animal behavior that leave out any sort of consciousness at all and ascribe actions entirely to instinct leave many questions unanswered. One example of such unexplained behavior: honeybees communicate the sources of nectar to one another by doing a dance in a figure-eight pattern. The orientation of the dance conveys the position of the food relative to the sun's position in the sky, and the speed of the dance tells how far the food source is from the hive. Most researchers assume that the ability to perform and encode the dance is innate and shows no special intelligence. But in one study, when experimenters kept changing the site of the food source, each time moving the food 25 percent farther from the previous site, foraging honeybees began to anticipate where the food source would appear next. When the researchers arrived at the new location, they would find the bees circling the spot, waiting for their food. No one has yet explained how bees, whose brains weigh four ten-thousandths of an ounce, could have inferred the location of the new site.

  Other behaviors that may indicate some cognition include tool use. Many animals, like the otter who uses a stone to crack mussel shells, are capable of using objects in the natural environment as rudimentary tools. One researcher has found that mother chimpanzees occasionally show their young how to use tools to open hard nuts. In one study, chimpanzees compared two pairs of food wells containing chocolate chips. One pair might contain, say, five chips and three chips, the other four chips and three chips. Allowed to choose which pair they wanted, the chimpanzees almost always chose the one with the higher total, showing some sort of summing ability. Other chimpanzees have learned to use numerals to label quantities of items and do simple sums.

  1. What does the passage mainly discuss?

  (A) The role of instinct in animal behavior

  (B) Observations that suggest consciousness in animal behavior

  (C) The use of food in studies of animal behavior

  (D) Differences between the behavior of animals in their natural environments and in laboratory

  experiments.

  2. Which of the following is NOT discussed as an ability animals are thought to have?

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