题目内容

负反馈在机体的功能调节中普遍存在。

A. 对
B. 错

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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。

A. 对
B. 错

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?

A. everlasting summer day
B. youth
C. love
D. hot weather