"Tree is to a leaf as flower is to petal" belongs to the type of“whole and part”.

The _____ development of children is complex.() A: medal B: metal C: mental D: petal

在鸢尾花类别预测中，要先训练预测模型，再使用训练好的预测模型进行鸢尾花类别预测。下面哪些说法是正确的？（ ）[img=361x88]17e449445b30012.png[/img] A: 训练模型时，需要用到字段label、sepal_length、sepal_width、petal_length、petal_width B: 预测模型时，需要用到字段label、sepal_length、sepal_width、petal_length、petal_width C: 训练模型时，需要用到字段sepal_length、sepal_width、petal_length、petal_width D: 预测模型时，需要用到字段sepal_length、sepal_width、petal_length、petal_width

182. The length of a wave is the length ______.

Petal is to flower as () A: oak is to tree B: staple is to paper C: sprout is to seed D: tooth is to comb E: tide is to beach

What is the ratio of the length of the mining zone to the length of the bench?( ) A: Full length or part of it B: Full length C: Part of it D: None

下列代码的执行结果是： int length = "Hello".length(); System.out.println(length);

length A: length B: launch C: lend

已知int[][] a= {{1,2},{3,4,5,6},{7,8,9}}，a.length()=_________，a[0].length()=__________, a[1].length()=__________,a[2].length()=__________,a[3].length()=__________。

返回字符串长度的是（ ） A: 成员域length B: 静态成员域length C: 实例方法length() D: 静态成员方法length()