2018年12⽉四级阅读真题答案解析（⼈⼯智能）
此时此刻，2018年12⽉⼤学英语四级考试已然结束，⼴⼤考⽣应该有切⾝的感触，今年的阅读理解相对以往稍微困难⼀些，具体体现在其科学性和时代性。当下随着科学技术特别是⼈⼯智能的迅猛发展，关于⼈⼯智能的探讨层出不穷。今年的阅读真题正是在这样的背景下应运⽽⽣。考⽣除了掌握相关的阅读解题技巧之外，还需要具备⼀定的科学素养和批判性思维。
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51.What does the author want to show with the example of Alpha Go`s victory？
D.Computers can become highly intelligent.
解析：⾸先按照题⽂同序原则以及关键词定位到⽂章第⼀段The Alpha Go program’s victory is an example of how smart computers have become.该句为段落中⼼句，阿尔法狗这⼀科研项⽬的成功，是计算机变得聪明和智能化的⼀个例证。smart同义替换intelligent，故D选项为本题正确答案。
52. What does the author mean by AI machines acting ethically？关于友谊的诗歌
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B.They weigh the gains and loss before reaching a decision.
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解析：通过acting ethically定位⾄⽂章第⼆段，第⼆段写到Sometimes, however, they will face a choice
between lives. Should the cars be programmed to avoid hitting a child running across the road, even if that will put their pasngers at risk? 作者在该段发问，是否机器⼈在⾯临选择时，可以通过判断、权衡得失、做出合理性选择？并举例：⼈⼯智能⽆⼈驾驶车在路上⾏驶时，能否去避免撞到⼉童，并且这样会使乘客陷⼊危险，在这样两难的选择中，如何权衡得失，做出最合理的⾏为。所以该题选择B选项。
53. What is said to be the bigger challenge facing humans in the AI age？
B.How to ensure that super-intelligent Al machines act ethically.
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解析：根据关键词bigger challenge回⽂定位⾄⽂章第3段Teaching ethics to a machine even more intelligent than we are will be the bigger challenge.使得机器⼈具有道德判断意识甚⾄⽐⼈类更加智能，这或将成为⼈类所⾯临的更⼤的挑战。故B选项为正选。
54. What do we learn from Microsoft’s “chat bot” Taylor？
A.She could not distinguish good from bad.
解析：通过关键词“chat bot” Taylor可定位⾄⽂章第四段，尾句but转折处but some people were teaching Taylor racist ideas. When she started saying nice things about Hitler, Microsoft turned her o
ff and deleted her ugliest messages.该句句意为：⼀些⼈教泰勒种族主义的思想，但她却表达了关于希特勒积极的⾔论。可见泰勒不能区分善恶与好坏。故此题A选项为正确选项。
55. What does Eric Schmidt think of artificial intelligence?
着落的拼音C.It will prove to be an ast to human beings.
解析：本题为态度题，通过专有名词Eric Schmidt定位⾄⽂章最后⼀段Eric Schmidt is one of the boss of Google, which own Alpha Go. He thinks AI will be positive for humans. 说AI对⼈类是积极的，也就是说，可以作为⼈类的⼀种资产。故选择C。
霸气的队名佛教因果报应由题可知，今年的四级阅读的选材和时下的热门话题和社会发展的趋势紧密相关。在选材语料上同样具有鲜活性、科学性和社会性。从阅读理解的难以程度来看，虽然是⼀⽚科学性⽐较强的科普类⽂章，但在本质上同样是在考查阅读理解基本的解题能⼒。在此，建议在今后备战四级阅读的各位考⽣，要以真题阅读为基础，逐步培养⾃⼰深度阅读理解的能⼒，学会总结解题思路和⽅法，进⽽在阅读理解这⼀项取得⾼分。
