关于正偏峰分布资料的描述，说法正确的是（）。 A.大多数变量值集中在较大的一端 B.

发布时间：2017-08-08 03:55 │ 来源：www.tikuol.com

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问题：

关于正偏峰分布资料的描述，说法正确的是（）。

A.大多数变量值集中在较大的一端

B.绘成的曲线高峰偏右，长尾向左侧

C.绘成的曲线高峰偏左，长尾向右侧

D.可用算术均数表示其平均水平

E.可考虑运用几何均数标来描述其集中位置

考点：放射卫生(医学高级)卫生统计学卫生统计学题库

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数据模型分为格式化模型与非格式化模型，层次模型与网状模型属于______。

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      One famous artist Sheikh went back to his hometown. He hadn't seen one of his friends for many
years, who was a _1_and needy man. When Sheikh asked about him, he was told by people that the
man he was    2 was a rich man and no longer poor. Sheikh  3 to pay a visit to his friend.
       4 talking with his friend, Sheikh asked him the   5 for the change in his situation. The man replied
that he had been so poor that he was forced to  6 some properties(财产)that belonged to him, like
furniture(家具). By selling these things, he had  7 some money enough to start a   8   with.
     As he was on his way back to his house with the  9 , he saw a poor lady  10 by the road. The man
asked the lady the reason, and she  11 that her husband died and her children were  12 . Hearing this,
the man felt  13 for her, and on seeing that she  14 the money more than himself, he gave all the money
to her. He  15 home and spent the night, sad and  16 for his family.
      The next morning,   17   he was summoned(召唤) to the house of a rich man. He was told by the
rich man that he had six thousand bags of  18 which he wanted to sell quickly and the man could buy it
at a   19   price on loan(借用) from him. The poor man did so and sold the rice 20  . He took some
more bags several days later and in this way he was able to make much more money. Soon he became
rich.

( )1. A. clever
( )2. A. living with
( )3. A. decided
( )4. A. Until
( )5. A. message
( )6. A. sell
( )7. A. saved
( )8. A. travel
( )9. A. money
( )10. A. crying
( )11. A. believed
( )12. A. hungry
( )13. A. sadness
( )14. A. took
( )15. A. drove
( )16. A. worried
( )17. A. happily
( )18. A. rice
( )19. A. low
( )20. A. slowly

B. rich
B. waiting for
B. forgot
B. Before
B. reason
B. make
B. collected
B. business
B. news
B. walking
B. explained
B. dangerous
B. interest
B. needed
B. returned
B. pleased
B. surprisingly
B. meat
B. fair
B. quickly

C. lazy
C. asking about
C. refused
C. After
C. time
C. keep
C. paid
C. family
C. hope
C. sleeping
C. shouted
C. crazy
C. shame
C. owned
C. left
C. excited
C. carelessly
C. vegetables
C. high
C. hardly

D. oor
D. istening to
D. ried
D. hile
D. lan
D. ind
D. asted
D. esson
D. urniture
D. tanding
D. magined
D. ngry
D. ity
D. arned
D. tayed
D. rightened
D. nluckily
D. lothes
D. ight
D. inally

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关于山东省的说法正确的是[ ]

A．东临东海和渤海

B．境内海岸线长达3000多千米

C．下辖27个地级市

D．境内没有东西走向的高速公路

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据《中华人民共和国建筑法》，设计建筑主体的装修工程，建设单位的设计方案应由（）提出的才是合法的。

A.具有相应资质条件的设计单位

B.建设单位

C.任意设计院

D.国外的设计公司

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CRH2型动车组车顶防滑步行部为（）。

A、白色

B、黄色

C、红色

D、灰色

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