【单选题】在scikit-learn中，如何处理多类分类（Multi-class classification）问题？ A. scikit-learn 无法实现多类分类 B. scikit-learn 只能用 one-vs.-all 实现多类分类 C. scikit-learn 只能用 one-vs.-the-rest 方法实现多类分类 D. scikit-learn 可以使用 one-vs-one 或 one-vs.-the-rest 方法实现多类分类，即将多类分类问题转化为构建若干个两类的分类器

The passage could be best entitled _____. A: Learn from a Model B: Learn, Learn and Learn Again C: Learn Forever D: One Is Never Too Old to Learn

The passage could be best entitled z2.（） A: Learn, Learn and Learn Again B: One Is Never Too Old to Learn C: Learn from a Model D: Learn Forever

This is not a good reason( ). A: to learn something B: to learn anything C: learn something D: learn anything

What will they learn They will learn about ______.

Scopus检索结果最少的是？ A: “Learn to play” B: {Learn to play} C: (Learn play) D: Learn play E: Learn w/5 play

【单选题】Python科学计算的基本包是() A. Pandas B. Scikit-learn C. Numpy D. Matplotlib

python中不是用于数据分析处理工具包是（） A: keras B: tensorflow C: scikit-learn D: django

下列选项中,适用于数据可视化的库是()。 A: scikit-learn B: tensorflow C: mxnet D: seaborn

From TV, boys and girls can ________. A: learn nothing B: learn good things and bad things C: learn good things D: learn all the things they can learn from school