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托福阅读句子插入题:Animal Signals

2015-08-21 16:46:41来源:网络

  【托福阅读题型:Animal Signals句子插入题】托福阅读中句子插入题是重要题型之一。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句子插入题

  托福阅读句子插入题:Animal Signals

  Less colorful birds and animals that inhabit the rain forest tend to rely on forms of signaling other than the visual,  particularly over long distances. ■ The piercing cries of the rhinoceros hornbill characterize the Southeast Asian rain forest, as do the unmistakable calls of the gibbons. ■ In densely wooded environments, sound is the best means of communication over distance because in comparison with light, it travels with little impediment from trees and other vegetation. ■ In forests, visual signals can be seen only at short distances, where they are not obstructed by trees. ■ The male riflebird exploits both of these modes of signaling simultaneously in his courtship display. The sounds made as  each wing is opened carry extremely well over distance and advertise his presence widely. The ritualized visual display  communicates in close quarters when a female has approached.(Animal Signals in the Rain Forest)

  ! Look at the four squares [■] that indicate where the following sentence could be added to the passage.

  There is also the long, rather terrifying call of the male orangutan, which carries over considerable distances to

  advertise his presence.

  Where would the sentence best fit?

  答案见下一页:

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