【阅读】Three reasons to explain why Pterosaurs cannot fly.
1. Pterosaurs are cool-blooded, thus cannot produce enough energy to fly.
2. Pterosaurs are too weighty to take off from ground.
3. Pterosaurs have a different muscle from that of birds. Their back leg muscles are too small and weak.
听力要点
【听力】Explain three reasons to contradict with reading.
1. Pterosaurs can actually be considered as warm-blooded, since they always have dense covering hair.
2. The bone structure of Pterosaurs is different. It is hollow not solid.
3. Pterosaurs are different from birds in that they stand with four limbs while birds with two limbs. And Pterosaurs are just like bats which can push off the ground.
第4题来源：北美话题分类：Archaeology属性：大范围重点预测
话题
【题目】讨论冠恐鸟Gastornis是不是食肉鸟类。
阅读要点
【阅读】Gastornis is a carnivore bird.
1. Its overall appearance resembles other meat-eating birds like terror birds.
2. It has a large, powerful beak to cut through meat and bones.
3. It has large talons at its feet to capture foods.
听力要点
【听力】
1. It resembles both meat-eating and plant-eating birds so the appearance cannot determine it's a carnivore. Eg. It has the same feature as the ostriches and emus.
2. It has a straight beak instead of curved beak. The straight beak is more likely to be used on plants such as nuts.
3. The foot prints left by Gastornis don't show claws. The last bone of its foot maybe the structure, not a talon.
第5题来源：大陆话题分类：Biology属性：大范围重点预测
话题
【题目】为什么一种叫Warrah的fox-like animal会跑到某个island。
阅读要点
【阅读】文章说是humans带过去的。
1. 原因1是islands以前那有人生活的痕迹。
2. 原因2是fox-like animal是那儿唯一的mammal，不可能float on ice过去。
3. 原因3是animal不怕人，说明被人养过。
听力要点
【听力】不同意。
1. 这个animal很早就过去了，那时候还没有人。
2. animal在 float的时候可以feed on small mammal。
3. 因为animal在那没有天敌，所以没有对人产生afraid的倾向。
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