单项选择题
Which type of chart or graph is used to express the relationships or correlations between different variables? A. Histogram. B. Scatter plot. C. Line graph. D. Pie chart.
问答题 I would rather you______ (give) me a new one instead of having the old one repaired as you did.
未知题型 下列具有养血祛风，散寒止痛．血虚头痛．血瘀头痛的是A.当归养血丸B.正天丸C.都梁丸D.天麻头痛片E.牛黄上清丸
单项选择题 人工智能技术和统计学科没有必然关系。（ ）
