【阅读】
标题：Build a campus garden
变化：A student wrote a letter to campus newspaper suggesting to make a campus garden for 2 reasons. (A) Students can relax with flowers and trees (B) there is an empty land behind the scientist buildings which is suitable for being a garden
听力要点
【听力】
态度：The guy disagrees
原因1：It's cold for most of time here. Only blooming time for plants is summer break. During rest of time when campus is full, the flowers can't grow, the campus garden is meaningless.
原因2：The empty land is gonna be used to expand the scientist buildings
【阅读】
标题：Evolution in action
定义：Animals and plants adapt to new changed environment quickly.
听力要点
【听力】
例子: Mint plants used to grow in grassy field and woods grew tall and faster, later some houses' owners’ plant mint plants in the yard. They cut them into short, quickly, all mint plants become short and hardly being cut, instead, they grow side way become flat.
第4题来源：大陆话题分类：Animal属性：大范围重点预测
话题
Task 4 学术场景
阅读要点
【阅读】
标题：动物的利他主义
定义：benefit other animals， but reduce the chance of survival
听力要点
【听力】
例子: 一种生活在加州的动物松鼠，它的主要敌人是mountain lion.尤其是吃母的。当她发现有危险时候会发生一种高pitch的calling来警告同伴赶紧逃跑，但是他的calling会引来lion，因此自己很可能被吃掉，她牺牲了自己逃走的机会，但是给同伴留了生路，尤其是family member 在附近的时候。
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