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【单选题】
在"呻吟无赖”中,"无赖” 之义为:A.
无奈
B.
不好
C.
无聊
D.
无靠
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【单选题】What does ROI measure?
A.
Investment potential.
B.
Profit margins.
C.
Loss ratio.
D.
The net profit or loss of an investment, expressed as a percentage
【单选题】驱动电机制动能量回收电路如下图所示, 当处于能量回收状态以下说法正确的是( )
A.
将直流电转变为交流电供驱动电机工作
B.
将交流电转变为直流电供驱动电机工作
C.
驱动电机反转成为发电状态
D.
通过二极管 VD1~6 将交流电转变为直流电反向输出
【简答题】阅读理解。 Reading is very important to help you learn English. To learn as much as you can from reading, you need to read different kinds of English. This book provides not only different kinds of English...
【单选题】下列關於ROI使用時機的描述,何者為非?
A.
ROI 可以用來減少計算量
B.
ROI可以用於鎖定特定區域，來增加準確度
C.
ROI可以用於避開特定區域，以減少誤判
D.
ROI可以用作物件辨識時的弱分類器
【简答题】ROI 理论(名词解释)
【单选题】Actually you can make learning English a process, ________ you can not only learn much knowledge but also interesting cultures.
A.
which
B.
where
C.
when
D.
what
【单选题】Which of the following is 对 of marketing ROI?
A.
Marketing ROI uses only those marketing factors that can be measured in dollars.
B.
Marketing ROI ignores customer-centered measures of marketing impact, such as customer acquisition and retention.
C.
Marketing ROI is easier to calculate than financial ROI.
D.
Marketing ROI cannot be assessed in terms of standard marketing performance measures, such as brand awareness, sales, or market share.
E.
Marketing ROI measures the profits generated by investments in marketing activities.
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