读程序：[img=355x251]17da6b5c578dce1.png[/img]程序中语句df[‘level’] = df.apply(level,axis=1) 的作用是添加一列，列名为’level’,调用level函数，计算等级。

读程序： 程序中语句df[‘level’] = df.apply(level,axis=1) 的作用是添加一列，列名为’level’,调用level函数，计算等级。[img=355x251]17a413172c2ba25.png[/img]

读程序：[img=355x251]178693c70e8b1c1.png[/img]程序中语句df[‘level’] = df.apply(level,axis=1) 的作用是添加一列，列名为’level’,调用level函数，计算等级。 A: 对 B: 错

在配置特权密码的命令中：Switch(config)#enable secret [level level] 0|5 encrypted-password中，关键参数5表示输入的密码为（ ） A: 明文口令 B: 未加密的口令 C: 已加密的口令 D: 原始口令

The high level and low level specified by LVTTL are ________. A: high level 5.0V low level 0V B: high level 3.3V low level 0V C: high level 2.4V~5.0V low level 0V~0.5V D: high level 2.4V~3.3V low level 0V~0.4V

Fiction has two levels of understanding, the narrative level and the<br/>authorial level, or the <br/>surface<br/>level and the deep level of understanding.()

Strategic level of goals and plans shape the tactical level and the operational level of goals and plans.

【单选题】享有报价优先推荐和Popular Supplier标识的等级是? A. Level 4 B. Level 1 和 Level 2 C. Level 3 和Level 4 D. Level 1

2、To build core competence, a business should work from such aspects as（） A: strategic level B: organizational level C: technological level D: customer level

中国大学MOOC: Abraham Maslow’s Hierarchy of Human Needs are: Level 1 Physical Needs, Level 2 Safety Needs, Level 3 Esteem Needs , Level 4 Social Needs and Level 5 Self-Realization Needs.