当峰度系数A、扁平分布 B、尖峰分布 C、峰度适中 D、无法判断

题型:单项选择题

问题:

当峰度系数<0数据分布为()。

A、扁平分布

B、尖峰分布

C、峰度适中

D、无法判断

考点:统计学原理统计学原理题库
题型:单项选择题

下列文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增

加、删除或修改。

增加:在缺词处加一个漏字符号(^),并在其下面写出该加的词。

删除:把多余的词用斜线(\)划掉。

修改:在错的词下划一横线,并在该词下面写出修改后的词。

注意:   1. 每处错误及其修改均仅限一词;

2. 只允许修改10处,多者(从第11处起)不计分。

    Fang Tong is 34 years old, an actor, director and teacher of Beijing Opera

Theatre. Most of his students are from other part of  China and have come to Beijing at

a very young age of sixteen or seventeen. He hopes create an environment for his

students that it is much more relaxing than the one he used to study in. He thought that

an actor should relax himself when performing. Yet his students deep respect him and

he never needs to raise his voice in order to be hearing. For his opinion, actors should

go on even when they feel they have made mistake in their performances because the

moment is already gone but people can never be back to it. So art is always changing

and developing.

题型:单项选择题

目前在治疗癌症方面,一种疗效高,毒副作用小的新型药物问世了,这就是“生物导弹”。“生物导弹”治疗疾病的基本原理是()

A.癌细胞的识别作用 

B.放射性同位素的标记作用 

C.化学药物的特异性 

D.单克隆抗体的导向作用

题型:单项选择题

某山区氟牙症流行。调查饮水氟浓度不高,调查组经过认真分析。认为最可能的原因是()

A.水果氟高

B.蔬菜氟高

C.空气氟高

D.煤油污染

E.垃圾污染

题型:单项选择题

如果收益比较可观,即使企业资产流动性差,为了增强投资者信心,应该加大现金股利分配的力度。( )

题型:单项选择题

I-R分析框架(全球一体化——国家响应性分析框架)

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