题目内容
稳态是内环境中的各种化学成分及理化性质保持不变的状态。
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Describe the characteristics of Petrarchan sonnet, Spenserian sonnet and Shakespearean sonnet.
Give a brief comment on Sonnet 18.
"But thy eternal summer shall not fade,Nor lose possession of that fair thou ow'st,"What does "eternal summer" mean?
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