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托福口語話題范文-人類活動對動物進化的影響

2018/3/15 13:26:51來源：新航道作者：新航道

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摘要：上海新航道托福培訓機構小編給小托兒們帶來了托福口語話題范文-人類活動對動物進化的影響，希望幫助考生對照文本更好的研究真題，充分備考，爭取理想成績，實現留學夢想。

上海新航道托福培訓機構小編給小托兒們帶來了托福口語話題范文-人類活動對動物進化的影響，希望幫助考生對照文本更好的研究真題，充分備考，爭取理想成績，實現留學夢想。

托福口語參考范文：

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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