2024考研英语二作文主题词涵盖：环保意识、科技发展、文化交流、心理健康、社会问题等。以下是一些具体的关键词：
1. 环保意识：sustainability, environmental protection, green living, climate change
2. 科技发展：technology, innovation, digitalization, artificial intelligence, smart city
3. 文化交流：cultural exchange, diversity, globalization, intercultural communication
4. 心理健康：mental health, stress management, self-care, emotional intelligence
5. 社会问题：social issues, inequality, poverty, discrimination, social justice
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