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【单选题】
Very few inventors ____ in business. 很少有发明家能把生意做大.
A.
take it big
B.
make it big
C.
take it large
D.
make it large
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皮皮学刷刷变学霸
举一反三
【单选题】以下描述正确的是
A.
回归分析主要是了解自变量与因变量之前的数量关系,主要用于寻找两个或两个以上的变量之间相互变化的关系;
B.
聚类分析用于发现大量数据中变量间的关联性。随着不停地收集和存储大量数据,从大量商业交易的记录中发现有趣的关联关系
C.
聚类分析通过一批已知的训练数据建立一棵决策树,然后利用建好的决策树,对数据进行预测。决策树的建立过程可以看成是数据规则的生成过程。
D.
以上都对
【判断题】安全模型是对安全策略所表达的安全需求的简单、抽象和无歧义的描述,其只涉及安全性质,不涉及系统功能或实现。
A.
正确
B.
错误
【单选题】用成对收集的数据分析两个变量之间的相关关系的图形工具是
A.
关联图
B.
亲和图
C.
散布图
D.
因果图
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【单选题】( )是对( )所表达的( )的简单、抽象和无歧义的描述
A.
安全模型、安全需求、安全策略
B.
安全模型、安全策略、安全需求
C.
安全策略、安全模型、安全需求
D.
安全需求、安全策略、安全模型
【简答题】Choose the best answer and complete the passage ( 选择最恰当的选项完成短文 ) An old farmer lived with his grandson. Each morning, the 1 got up early and read his Bhagavad Gita. One day the grandson asked, “Grandp...
【单选题】The purpose of the author to write this article probably is______.
A.
to criticize the inconvenience brought with by Excite Inbox.
B.
to monopolize the production and sale of Microsoft outlook or Palm Desktop.
C.
to introduce the services offered by Excite Home's Excite Inbox.
D.
all of the above.
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