某资料服从正态分布,理论上在(-1.96s,+1.96s)范围内的变量值个数占全部例

题型:单项选择题

问题:

某资料服从正态分布,理论上在(

-1.96s,

+1.96s)范围内的变量值个数占全部例数的()

A.96%

B.99%

C.68.2%

D.97.5%

E.95%

考点:护士护理考试外科护理学外科护理学
题型:单项选择题

Baby Showers and Babies’ Names

When the news of the expected baby is known, someone may plan to give a baby shower. Although this type of shower is held ____小题1:____ often than it used to be, it is a happy time.

There should be only one baby shower, not several, and it should not be planned _____小题2:___ one month before the expected date. Traditionally the baby shower was held by close ____小题3:____ and relatives at lunch or during the afternoon on a weekday. __小题4:_____ so many women work today, more and more showers are on weekends. Usually they are held only for the __小题5:____ baby.

When a baby shower is held, guests always bring gifts with them. Gifts do not need to be expensive, but should be ___小题6:_____ useful. If people give a friend a nice baby shower gift, they do not have to send ___小题7:___ gift at the time of the baby’s birth.

Besides a baby shower, choosing a baby’s name is also very important. Usually long before the baby is born, its name has been ____小题8:_____, argued over, changed, argued over again, and finally agreed ___小题9:___. For Americans, naming a boy after his father or a girl after her mother is an honorable thing. Of course,the boy or the girl also ___小题10:____ a nickname that is different from the parents’. Giving the child a different middle name can help to avoid this problem, too.

题型:单项选择题

情景交际。

1. 当你想告诉别人,这是我的耳朵,应说:[ ]

A. This is my ears.    

B. These are my ears.

2. 当你想说:“我有一个鼻子”应说:[ ]

A. I have one mouth.   

B. I have one nose.

题型:单项选择题

商业秘密的法律特征?

题型:单项选择题

确诊痢疾最可靠的依据是()

A.典型脓血便

B.明显里急后重

C.大便培养阳性

D.免疫检查阳性

E.大便镜检发现大量脓细胞、巨噬细胞

题型:单项选择题

20C90年代后日本经济进入衰退期的原因。

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