一个不透明的盒子中装有2个白球,5个红球和3个黄球,这些球除颜色外,没有任何其他

题型:填空题

问题:

一个不透明的盒子中装有2个白球,5个红球和3个黄球,这些球除颜色外,没有任何其他区别,现从这个盒子中随机摸出一个球,摸到红球的概率为______.

考点:概率的意义
题型:填空题

《素问·热论》认为伤寒病已满三日的治疗方法是()

A.汗法

B.利尿法

C.解毒法

D.通便法

E.泄法

题型:填空题

护理肺结核病人不正确的措施是

A.接触痰液的手要用流动水清洗

B.病人咳嗽时应用餐巾纸遮住口鼻

C.督促密切接触者去医院检查治疗

D.护理未进行规则化疗病人时戴口罩

E.对各型肺结核病人都应进行严密隔离

题型:填空题

债务人或者第三人将其动产或权利移交债权人占有,将该动产作为债权的担保,称为( )。

A.物权
B.抵押
C.质押
D.留置

题型:填空题

Oscar Night Oscar Night is one of the most awaited events in the entire entertainment industry of the world. The award ceremony has become an inseparable component of the life of all the people associated with Hollywood. One cannot simply escape the charm of this wonderful night. The Scheduled time of the glitzy evening of Academy Award is usually late February or early March. It is time when the awards are presented for the year-best achievements in the Motion Picture Industry. The Oscar statuette, presented during the Awards night. Is regarded to be the most prestigious honor for Hollywood artists. Oscar ceremony was started with the intention of acknowledging the excellence in Holly- wood. It was also an approach, made along time back, to encourage the spirit of the people connected with the Motion picture industry. The various categories of award try to honor people involved in all the facets of filmmaking. Academy Awards Night comprises of that point of time when the talented artists of the film fraternity get the apt recognition. It is the best way of honoring the efforts and dedication that go into the making of a movie. Oscars are organized in a grand manner, with an alluring appeal. This mega event takes place an the Kodak Theatre, in Los Angeles, annually. Oscar Night is the much-awaited moment, when all the stars of Hollywood gather at a single venue, The Red Carpet is roiled out for the dignitaries of the function. The air is filled with the gusto and zeal of the celebrities, who are invited to witness this ceremony. The atmosphere of Oscar Night is ruled by an element of surprise. It is the night when the mystery unfolds with each passing moment, with the announcement of winners in various categories.

In the last paragraph, the sentence "The Red Carpet is rolled out for the dignitaries of the function" means ______.

A.The Red Carpet is rolled out for the people to walk on

B.The Red Carpet is used to help those celebrities walk slowly

C.The Red Carpet is used to make the atmosphere more appealing

D.The Red Carpet is used to express warn welcome to those celebrities

题型:填空题

标准正态分布的数学期望EX=()

A.0

B.1

C.-1

D.不定

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