托福口语话题范文-人类活动对动物进化的影响|上海新航道官网

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托福口语话题范文-人类活动对动物进化的影响

2018/3/15 13:26:51来源：新航道作者：新航道

雅思/托福/国际备考寒假班

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摘要：上海新航道托福培训机构小编给小托儿们带来了托福口语话题范文-人类活动对动物进化的影响，希望帮助考生对照文本更好的研究真题，充分备考，争取理想成绩，实现留学梦想。

上海新航道托福培训机构小编给小托儿们带来了托福口语话题范文-人类活动对动物进化的影响，希望帮助考生对照文本更好的研究真题，充分备考，争取理想成绩，实现留学梦想。

托福口语参考范文：

The professor talks about two ways how human activities affect animal evolution.

Firstly,it causes animals to grow smaller. This is because human tend to hunt those animals bigger in size as food source. Take fish as an example,when people caught huge number of big fish, smaller fish sustain and they are able to pass their genes to the next generation;

Secondly, animals began to have larger brain, since they have to adapt to changeable environment and survive. The professor then gives an example of mice,in order to survive in the city and search for food, mice evolve to be smarter,and only the smarter ones will survive and pass their gene to the next generation.

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