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托福阅读回忆：
Parental Care by Frogs (20161113)
青蛙如何保护他们孵的卵。
大青蛙还会保护小青蛙，避免小青蛙被捕食者吃掉。
有种动物中的雄性会吃掉卵，所以雌性会保护该动物中的小动物。
有保护行为的动物会产的卵较少，而没有保护行为的动物则会产生很多的卵。
保护行为会导致父母带回来的食物变少。
Parental Care by Frogs
青蛙对后代的照顾
这篇文章简单明了，无论是从宏观框架还是从微观细节(词汇+长难句)，难度都很一般，所以为了增加这篇文章的考试难度，ETS在出题环节大量增设了“综合信息题”，即需要综合多句甚至整段和跨段答题。如，
第21题 According to paragraph 5, providing parental care is associated with which of the following?(考整段)
More clutches produced per female
Less danger to parents from predators
More food needed by caregiving parents
Fewer eggs produced per clutch
(正确答案D)
第25题 According to paragraph 6, the cost of parental care is minimal in all the following circumstances EXCEPT(考整段)
When nests where care is provided cannot be easily reached by predators
When reproductive output is limited by reasons other than by providing parental care
When females produce many groups of eggs per season
When a male can defend territory and attract additional females while providing care
(正确答案C)
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