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托福阅读词汇题:impose on

2015-08-25 17:57:24来源:网络

  【托福阅读题型:impose on词汇题】托福阅读中词汇题是重要题型之一。根据托福阅读题型不同来进行专项练习,是短期提高托福阅读能力的有效方法。同学们需要多加练习哦!

  查看全部:托福阅读题型分类练习之词汇题

  托福阅读词汇题:impose on

  【Paragraph 1】Many signals that animals make seem to impose on the signalers costs that are overly damaging. A classic example is noisy begging by nestling songbirds when a parent returns to the nest with food. These loudcheeps and peeps might give the location of the nest away to a listening hawk or raccoon, resulting in the death of the defenseless nestlings. In fact, when tapes of begging tree swallows were played at an artificial swallow nest containing an egg, the egg in that “noisy” nest was taken or destroyed by predators before the egg in a nearby quiet nest in 29 of 37 trials.(Begging by Nestlings)

  The phrase “impose on” in the passage is closest in meaning to

  ○ increase for

  ○ remove from

  ○ place on

  ○ distribute to

  答案见下一页:

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