2018年考研英语二的真题解析如下：
一、阅读理解
1. 第一篇阅读：本文主要讲述了人工智能在医疗领域的应用。答案解析：第一题选D，因为文章提到人工智能可以帮助医生进行诊断。第二题选B，因为文中提到人工智能可以帮助医生提高工作效率。
2. 第二篇阅读：本文主要介绍了美国大学招生政策的改革。答案解析：第一题选C，因为文章提到改革旨在让更多学生有机会进入大学。第二题选A，因为文中提到改革将使大学招生更加公平。
3. 第三篇阅读：本文主要讨论了全球气候变化对人类社会的影响。答案解析：第一题选B，因为文章提到气候变化可能导致海平面上升。第二题选A，因为文中提到气候变化对农业产生负面影响。
二、完形填空
本文主要讲述了一位成功的企业家如何克服困难，实现自己的梦想。答案解析：第一题选D，因为文章提到企业家在面对困难时始终保持乐观。第二题选C，因为文中提到企业家在创业过程中遇到了很多挑战。
三、翻译
1. 翻译：随着科技的不断发展，人工智能在各个领域都取得了显著成果。
Translation: With the continuous development of technology, artificial intelligence has achieved remarkable results in various fields.
2. 翻译：为了提高我国教育质量，政府决定加大教育投入。
Translation: In order to improve the quality of education in our country, the government has decided to increase investment in education.
四、作文
作文题目：科技发展对人类生活的影响
作文要点：
1. 科技发展对人类生活的影响；
2. 科技发展带来的便利和问题；
3. 个人观点。
作文示例：
With the rapid development of science and technology, it has brought great changes to our lives. On the one hand, technology has made our lives more convenient. For example, smartphones have become an indispensable part of our daily lives, enabling us to stay connected with others and access information anytime, anywhere.
On the other hand, the rapid development of technology has also brought some problems. For instance, excessive reliance on technology may lead to reduced social interaction and even mental health issues. In addition, some technologies may have negative impacts on the environment.
In my opinion, while we should embrace the benefits brought by technology, we should also be aware of its potential risks. It is essential to strike a balance between technological progress and social development.
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