【简答题】某小学对该校四年级 160 位学生的数学成绩分组如下: 成绩 60 分以下 60~70 70~80 80~90 90~100 所占比例 9.1% 14.4% 32.2% 29.3% 15% (1) 对该校四年级学生的成绩绘制直方图; (2) 运用spss绘制 直方图,并分析四年级学生的成绩分布特点。
【多选题】随着现代社会的发展,信息技术在幼儿园教育教学中得到了越来越广泛的应用。下列有关合理利用信息技术手段的说法,正确的是()
A.
运用现代信息技术手段使幼儿科学学习的内容具体化、细节化
B.
借助信息技术实现人机互动,激发幼儿的探索欲望,充分发挥信息技术在幼儿园教育教学中的作用
C.
运用丰富的科学教育网络资源,支持教师与幼儿一起寻找更多的信息,开展科学教育活动,提升教师个人专业素质与能力
D.
运用信息技术与家庭、社区密切联系,共同推动幼儿科学学习与发展
【简答题】某小学对该校四年级 160 位学生的数学成绩分组如下: 成绩 60 分以下 60~70 70~80 80~90 90~100 所占比例 9.1% 14.4% 32.2% 29.3% 15% (1) 对该校四年级学生的成绩绘制直方图; (2) 根据直方图分析四年级学生的成绩分布特点。
【判断题】Click-and-click retailers are those e-business companies that sell products only via the website.
【简答题】In the mid 1990s, people started doing business on the Internet. At that time, there were two kinds of companies. First, there were traditional companies which sold things in stores. Then, there were ...
【判断题】现代教育技术一方面是以现代信息技术(计算机、多媒体、网络、数字音像、卫星广播、虚拟现实、人工智能等技术)的开发、应用为核心,另一方面,现代教育技术并不忽视或抛弃对传统媒体(黑板、挂图、标本、模型等)的开发与应用。
【单选题】Purely physical companies are referred to as ____________ companies, whereas companies that are engaged only in EC are considered ________________ companies. Page Reference: 5 AACSB: Use of informatio...
B.
brick-and-mortar; virtual
C.
click-and-mortar; click-and-brick
【简答题】In the mid 1990’s, people started doing business on the Internet. At that time, there were two kinds of companies. First, there were traditional companies. They sold things in stores. Then there were ...
【简答题】Click-and-click retailers are those e-business companies that sell products only via the _________.