填空题:According to Mr. de Wahl, why is Joost ignoring the two busi

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  • 题目类型:填空题
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题目内容:
According to Mr. de Wahl, why is Joost ignoring the two business models?
A.All people are not fond of simply watching TV.
B.They are irrelated with pleasures derived from watching TV.
C.They are the same as the practices that TV has long been using.
D.Joost wants an innovative business model different from YouTube.
参考答案:
答案解析:

YouTube can hardly generate profit becauseA. its content can

YouTube can hardly generate profit becauseA. its content can be illegalB. it is

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电除尘器电场有效截面积尺寸为6mX l4m,电场有效长度为l8m,电场风速为l.19m/s,要求除尘效率为99%,粉尘的有效驱进速度为0.1m/s,电除尘器所需

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