题目内容

在敏感分析图中，与利润线的夹角(均从锐角方面考察)越小的直线所代表的因素对利润的敏感程度越小。()

A. 正确
B. 错误

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Ⅰ.every non-key attribute is functionally dependent on the full set of primary key attributes.
Ⅱ.no non-key attributes exist in the relation.
Ⅲ.the primary key consists of only one attribute.

A. Ⅰ only
B. Ⅰ and Ⅱ only
C. Ⅰ and Ⅲ only
D. any of them

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What does the word "adopt" (Line 2, Para 2) mean in the passage？

A. take
B. adjust
C. adapt
D. expert

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"A large extended family" is probably ______.

A. a rich family group
B. a family group which includes uncles, aunts, grandparents, as well as parents and children
C. a family business
D. a family that has many children

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What can be inferred about Votefortheworst.com from the text？

A. it is a website whose founder Howard Stern is a popular figure.
B. it valuates the Idol contestants in the same way as the TV producers.
C. it is powerful enough to influence the outcome of American Idol.
D. it is almost as popular as the American Idol official website.

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在敏感分析图中，与利润线的夹角(均从锐角方面考察)越小的直线所代表的因素对利润的敏感程度越小。()

A. 正确 B. 错误

Ⅰ.every non-key attribute is functionally dependent on the full set of primary key attributes.Ⅱ.no non-key attributes exist in the relation.Ⅲ.the primary key consists of only one attribute.

What does the word "adopt" (Line 2, Para 2) mean in the passage？

"A large extended family" is probably ______.

What can be inferred about Votefortheworst.com from the text？

A. 正确
B. 错误

Ⅰ.every non-key attribute is functionally dependent on the full set of primary key attributes.
Ⅱ.no non-key attributes exist in the relation.
Ⅲ.the primary key consists of only one attribute.