操作方法：
1)朗读直至熟练
2)模仿结构造出自己的句子。 比如： Children can fast adapted to their new environmentsbehaviorally when they start their kindergarden.
3)复述passage 6 给同学听，使用你刚刚学到的结构。
4)每天重复这个步骤，你的学科词汇，抽象名词理解，听力理解都不是问题了。
1)some animals have behaviorally adapted to their environments
2)Marmots are rodents.
3) they live in a variety of habitats.
4) even though they spend the significant portion of the year hibernating, marmots are still considered excellent subjects for animal behavioral studies
5) They reside throughout the eastern region of North America where there is a temperate climate, where the growing season lasts for at least five months of the year
6) It’s when the food is available.
7) there is no frost covering the grass and vegetative parts of a plant’s herbs
8) growing season refers to the availability of the food they eat,
9) their mating ritual is just so impersonal.
10) it’s not as if they aren’t ready for the real world because they are.
11) they live in open fields where there is lots of edible vegetation.
12) And what I really like is that they even have greeting ceremonies.
13) That seems so bizarre.
14) the weather conditions are much harsher.
15) all the Olympic marmots, male and female, eat, play, work and nurture the young together.
16) cooperation increases the survival rate of the Olympic marmots.
17) They keep their young at home until they are physically able to survive on their own.