世界如此神奇,科学精深博大。作为21世纪的主人,小学生朋友是不是应该从小掌握科学知识,以从容面对未来的挑战呢?(The world is so amazing, and science is so extensive and profound. As the owner of the 21st century, should pupils master the scientific knowledge since childhood to calmly face the challenges of the future?)
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