考研英语2007年真题答案解析如下：
Part A：Reading Comprehension
1. Passage 1：主要讲述了全球气候变化对生态系统的影响。正确答案为D，因为文章明确指出，极端天气事件增加是由于全球变暖导致的。
2. Passage 2：讨论了人工智能在医疗领域的应用。正确答案为C，文章中提到，AI在诊断疾病方面已经展现出超越人类医生的能力。
3. Passage 3：分析了社交媒体对青少年心理的影响。正确答案为B，文章指出，过度使用社交媒体可能导致青少年焦虑和抑郁。
Part B：Translation
1. 长句翻译：The rapid development of technology has brought about significant changes in our daily lives.
翻译：科技的快速发展给我们的日常生活带来了巨大的变化。
2. 短句翻译：He is determined to achieve his goal, regardless of the difficulties ahead.
翻译：他决心实现自己的目标，无论前方有多少困难。
Part C：Writing
1. Task 1：图表作文。描述图表中展示的数据，并分析原因。
样文：The chart presents the changes in the number of tourists visiting a famous landmark in a city over a period of five years. The data show a significant increase in the number of tourists, from 10,000 in 2016 to 30,000 in 2020. This rise can be attributed to the city's efforts in promoting tourism and improving infrastructure.
2. Task 2：议论文。就某个话题提出观点并论证。
样文：In my opinion, online education has its advantages and disadvantages. While it offers flexibility and convenience, it also lacks the personal interaction that traditional classroom learning provides. Therefore, a balanced approach is necessary to maximize the benefits of online education.
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