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【单选题】
设有X与Y的数据如下表所示。 表 X与Y取值 X Y X Y X Y 2 106.42 8 109.93 15 110.9 3 108.2 10 110.49 16 110.76 4 109.58 11 110.59 18 111 5 109.5 14 110.6 19 111.2 7 110 试用双曲线Y=a+b/X及对数曲线Y=a+bln(X)拟合Y与X的有关系。这两类曲线( )。A.
对数曲线拟合的好
B.
双曲线拟合的好
C.
两者拟合好坏一样
D.
两者拟合均不好
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举一反三
【判断题】A material exhibits an endurance limit, which means that the material can be cycled continuously without fracturing at any stress below the endurance limit.
A.
正确
B.
错误
【简答题】A.Material assigned by the teacher for reading. B.Material directly related to discussion in class. C.Material linked to the job-hunting in the future. D.Material attractive to the students indeed.
【简答题】When will the material be faxed?
【单选题】Material culture refers to the touchable, material 'things'--physical objects that can be seen, held, felt, used--that a culture produces. Examining a culture's tools and technology can tell us about ...
A.
it helps produce new cultural tools and technology
B.
it can reflect the development of the nation
C.
it helps understand the nation's past and present
D.
it can demonstrate the nation's civilization
【多选题】金融控股型企业集团特别强调母公司的财务功能，母公司在企业集团中所扮演的角色主要体现为()。
A.
融资中心
B.
投资和收益实现中心
C.
产业布局管理中心
D.
财务业绩评价中心
E.
运营与管理协调中心
【单选题】Which material can be thrown into the sea ________ on the nature of the material?
A.
depended
B.
depending
C.
to depend
D.
depends
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