[心得] 黃金閱讀 Begging by Nestlings
Q14. Directions: An introductory sentence for a brief summary of the
passage is provided below. Complete the summary by selecting the
THREE answer that express the most important ideas in the passage.
Some sentences do not belong in the summary because they express
ideas that not presented in the passage or are minor ideas in the
passage. This question is worth 2 points.
Experiments have shed much light on the begging behaviors of baby
songbirds
●
●
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Answer Choices
1 Songbird species that are especially vulnerable to predators have
evolved ways of reducing the dangers associated with begging calls.
2 Songbird parents focus their feeding effort on the nestlings that
beg loudest for food.
3 It is genetically disadvantageous for nestlings to behave as if
they are really hungry when they are not really hungry.
4 The begging calls of songbird nestlings provide a good example of
overly damaging cost to signalers of signaling.
5 The success with which songbird nestlings communicate their hunger
to their parents is dependent on the frequencies of the nestlings'
begging calls.
6 Songbird nestlings have evolved several different ways to
communicate the intensity of their hunger to their parents.
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標注的答案是1、2、3，
可是我想請問為什麼4不能選。
我覺得第4句點出了這篇文章的一大重點，
而且它也不是瑣碎的內容。
所以我選了1、3、4。
難道是因為第4句太空泛了而顯得不重要？
麻煩大家解答了，謝謝。
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