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【单选题】
铺底流动资金是指生产性建设工程为保证生产和经营正常进行，按规定列入建设工程项目总投资的铺底流动资金，一般按流动资金的( )计算。A.
10%
B.
20%
C.
25%
D.
30%
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举一反三
【简答题】A．Tom will certainly come to repair the stereo. B．Tom cannot repair the stereo. C．Tom doesn't keep his word. D．Tom is very trustworthy.
【单选题】The t-statistics is
A.
the ratio of a parameter estimate to the standard error of the parameter estimate.
B.
a measure of the interval around the parameter estimate that indicates with 95% accuracy the "true" parameter estimate.
C.
the ratio of the total variation explained by the regression to the total unexplained variation.
D.
the ratio of total variation explained by the regression to total variation.
【简答题】所谓类的封装是指在定义一个类时,将类中的属性私有化,即使用 关键字来修饰。
【单选题】选择题。 — ______ do you go to bed? — At 10:00 in the evening. [ ]
A.
When
B.
What
C.
Where
D.
How
【简答题】分析化学是关于研究物质的 、 、 和 等化学信息的分析方法及理论的一门科学,是化学的一个重要分支。是鉴定物质中含有那些组分,及物质由什么组分组成,测定各种组分的相对含量,研究物质的分子结构或晶体。词条介绍了分析化学的发展历史、分析方法、应用领域、误差消除等。”
【单选题】A t-test is an example of __________ statistics.
A.
descriptive
B.
inferential
C.
scientific
D.
conclusive
【简答题】A child born to a Chinese or English speaking family takes about the same number of years to acquire their native tongue. Regardless of their .()
【单选题】单项选择题。 —What did you do ________ ? —I went to the movies. [ ]
A.
next morning
B.
over the weekend
C.
in the weekend
D.
next Monday
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