1. A. The rapid development of technology has brought about significant changes in our lives.
2. B. Despite the challenges, online education has become an indispensable part of modern learning.
3. C. The author argues that exercise is crucial for maintaining a healthy lifestyle.
4. D. The novel's protagonist faces a moral dilemma that reflects contemporary societal issues.
5. E. Economic globalization has led to both opportunities and risks for developing countries.
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