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今天的句子：
Experience is so essential for wiring a large brain that the “first draft” of the brain includes a strong motivation to practice behaviors that will give the brain the right kind of feedback to optimize itself for success in the environment that happens to surround it. That’s why young mammals are soon keen to play, despite the risks. It’s easy to see how this works with language in humans: The genes get the ball rolling on the development of brain structures for language, but the child must actually encounter and practice the language to finish the process.
思考题：
Language learning in humans was mentioned in the text to show that __.
A. genes play a vital role in developing abilities
B. language is the unique characteristic of humans
C. children learn languages much more efficiently
D. engagement with the environment is essential
词汇突破：
Experience 体验，经历
wiring a large brain 塑造大脑的发展
first draft” 草图
include 具有，包含
motivation 动机
practice behaviors 行为练习
feedback 反馈
optimize 优化
mammals 哺乳动物
keen 热衷于
get the ball rolling 使...发生
encounter 接触
practice 实施
句子解析：
句：
Experience is so essential for wiring a large brain that the “first draft” of the brain includes a strong motivation to practice behaviors /that will give the brain the right kind of feedback to optimize itself for success in the environment that happens to surround it.
参考译文：体验对于塑造大脑的发展至关重要，大脑的“初稿”具有强烈的动机去从事行为练习，为大脑提供合适的反馈进行自我优化，以在碰巧处于的环境中获得成功。
这句话是结论!
这句话特别像2021考研英语翻译!
第二句：
That’s why young mammals are soon keen to play, despite the risks.
参考译文：这就是为什么尽管存在风险，年轻的哺乳动物还是会很快热衷于游戏的原因。
这句话是例子!
第三句：It’s easy to see how this works with language in humans: The genes get the ball rolling on the development of brain structures for language, but the child must actually encounter and practice the language to finish the process.
参考译文：可以很容易地看出，这如何在人类语言中起作用：基因使语言的大脑结构不断发展，但孩子必须实际接触并练习语言才能完成这一过程。
这句话也是例子!
思考题解析：
这是例证题答案对应结论，也就是句!
A. genes play a vital role in developing abilities
(基因在发展能力方面扮演着重要的角色)
不是对应的结论!
B. language is the unique characteristic of humans
(语言是人类的独特属性)
不是对应的结论!
C. children learn languages much more efficiently
(儿童学习语言更加高效)
不是对应的结论
C选项错误。
D. engagement with the environment is essential
(与环境的交互至关重要)
对应句的结论正确!
同学们，如果你有了考研的想法，现在就可以开始行动，从何凯文每日一句开始学习吧，2021考研人，每日一句的用法：1.先看英文句子译为中文，做题练翻译。2.根据参考译文修改翻译，对答案订正。3.读背景介绍了解相关话题，拓宽视野。4.背词汇突破积累单词，强化命 题思路。这样就能最 大化的利用每日一句！
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