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【判断题】
倡导广告:又称始创式广告,目的在于向市场开辟某一类新产品的销路或某种新观念的导人。此种广告重点在于使人知晓。
A.
正确
B.
错误
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举一反三
【单选题】Statistics can be used for
A.
Assessing risk
B.
Predicting results
C.
Understanding our world
D.
All of the above
【单选题】Which of the following statistics and procedures can be used to determine whether a linear model should be employed?
A.
The standard error of estimate.
B.
The coefficient of determination.
C.
The t -test of the slope.
D.
All of the above are correct answers.
【单选题】设A 为 矩阵,B为 矩阵,AB为可逆矩阵,且 ,则下列结论正确的是( )。
A.
A的行向量组线性相关
B.
A的列向量组线性无关
C.
B的行向量组线性无关
D.
B的列向量组线性无关
【单选题】用3B坐标编程,加工圆弧时,计数方向的选择以终点坐标绝对值( )的为计数方向。
A.
B.
C.
相等
D.
以上均可
【判断题】Facts, statistics, and analogy can all be used as evidences.
A.
正确
B.
错误
【多选题】下列商品定价方法中,属于需要导向定价法的是——
A.
目标收益率定价法
B.
理解价值定价法
C.
需求差异定价法
D.
成本导向定价法
【单选题】Which of the following statistics and procedures can be used to determine whether a linear model should be employed?
A.
The standard error of estimate.
B.
The coefficient of determination.
C.
The t -test of the slope.
D.
All the options are correct .
【单选题】Opening a speech by using facts and statistics can
A.
add realism to the speech and induce emotional impact
B.
raise your credibility and be remembered by the audience.
C.
the audience will be curious, eager to find out the answer.
D.
a and b
E.
All of the above
【判断题】电池的容量越大,其能量就越大。 ( )
A.
正确
B.
错误
【简答题】玻璃系二片或多片平板玻璃之间嵌夹 薄片、经加热、加压、粘合而成的平面或曲面的复合玻璃制品,属于安全玻璃类
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