【听力】
话题：2 ways of adaptation that trees use to protect themselves from a forest fire.
要点1：cooling the inner part of the tree down
例子1：/
要点2：remove the resources that might cause a fire
例子2：P-Pine tree freq. shake off the small branches to keep off the fire from climbing on the main branch.
【阅读】
标题：Assimilation and Accommodation
定义：When children learn new object, if the objects fit in the concept they knew, they will fill it in that category, this is assimilation.
听力要点
【听力】
例子：The professor's daughter, Jenny, always watches birds through windows. When she saw a bird she would shout: “bird! bird!” since it has wings and feathers and it can fly. Later, when the professor took Jenny to the zoo and saw ostrich, she did not know it was a bird. The professor asked her:“what is it?” She hesitated to say:“it is a bird".
教授女儿很小，当看见有鸟飞的时候，让小孩说bird， 在她的脑子里，鸟的概念就是小的翅膀的飞的东西。一天教授带女儿去动物园，看见ostrich也有翅膀，问孩子这个是什么，小孩犹豫下说是鸟，在这个事中，女儿改变了鸟的定义
【听力】
态度：学生不同意信件中的内容，认为将体育课改成必修课并不是好主意，针对以上理由提出两点反驳：
原因1：健身房里面（inside）的情况说明不了学生运动的状况,外面的情况不可忽视（outside does count）。有的学生在健身房外打网球（play tennis outside the gym）,有的学生从校外骑自行车到校内（ride bike from off-campus to campus），这些都是运动；
原因2：体育必修课不能使学生产生新兴趣（explore new interests）。如果体育课改为必修，学生会选择他们"已经会的"或者"很擅长"的运动（choose the sport they have already known or they are good at）,因为学生倾向于"行事谨慎"（play safe）。
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