下列有关可视化工具的说法，错误的是（ ）
A. 使用Python、R等语言可以编写程序实现数据的可视化
B. Tableau主要用于实时可视化分析，能连接本地数据或云端数据
C. Highcharts 是基于HTML5 技术的开源图表库，支持移动端
D. Google Charts只能提供简单的图表类型
以下函数中，用来绘制柱形图的是（ ）
A. pyplot.bar
B. pyplot.pie
C. pyplot.plot
D. pyplot.scatter
Which example is external noise?
A. Speaking grammar that the decoder cannot understand.
B. Nervousness about a public speech.
C. A serious cold.
D. A person speaking over the phone loudly.
Which example is phychological noise?
A. Speaking grammar that the decoder cannot understand.
B. Nervousness about a public speech.
C. A serious cold.
D. A person speaking over the phone loudly.
微信支付 
支付宝支付