He never went to see her again, ______ to apologize.
A. nor did he write
B. nor he did write
C. he did write
D. nor he wrote
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______ to sleep than the telephone rang once again.
A. No sooner had he gone
B. No sooner did he go
C. He no sooner went
D. He had gone no sooner
Lisais really beautiful, and _______ when she had children.
A. so was her mother
B. so is her mother
C. her mother was so
D. her mother is so
哪一个是机器学习的合理定义?
A. 机器学习从标记的数据中学习
B. 机器学习能使计算机能够在没有明确编程的情况下学习
C. 机器学习是计算机编程的科学
D. 机器学习是允许机器人智能行动的领域
( )是数据集中每个特征向量都有一个标记,使用标记的训练数据来推断一个功能的学习任务。
A. 监督学习
B. 非监督学习
C. 强化学习
D. 半监督学习
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