关键词：考研英语、预估题、答案
在即将到来的考研英语考试中，以下是对预估题的答案解析：
1. 阅读理解：
- 第一篇：答案为C。文章主要讨论了人工智能在医疗领域的应用，C选项“人工智能将改变医疗行业”与文章主旨相符。
- 第二篇：答案为B。文章主要讲述了气候变化对农作物的影响，B选项“气候变化对农作物产量有负面影响”与文章内容一致。
- 第三篇：答案为A。文章主要介绍了全球变暖对海洋生态系统的影响，A选项“全球变暖导致海洋生态系统失衡”与文章观点一致。
2. 完形填空：
- 答案为D。根据上下文，此处应选表示转折的连词，D选项“however”符合语境。
3. 翻译：
- 翻译为：“The rapid development of technology has brought about great changes in our daily lives. It has not only improved our living standards but also provided us with more convenience and comfort.”
4. 写作：
- 答案为：With the rapid development of society, the problem of environmental pollution has become increasingly serious. It is high time that we took effective measures to protect our environment. Firstly, we should raise public awareness of environmental protection. Secondly, we should promote the use of clean energy and reduce the emission of pollutants. Only in this way can we create a better living environment for ourselves and future generations.
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