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【单选题】
关于生产的概念，以下叙述错误的是（ ）A.生产转换包括形态、时间、场所转换等多种形式B.生产主要指的是有形产品的产出过程C.生产要素有生产对象、劳动力、生产手段和生产信息等D.生产的概念经历了自然生产、市场生产、效用生产三个阶段A.
生产转换包括形态、时间、场所转换等多种形式
B.
生产主要指的是有形产品的产出过程
C.
生产要素有生产对象、劳动力、生产手段和生产信息等
D.
生产的概念经历了自然生产、市场生产、效用生产三个阶段
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【单选题】We sincerely hope we may soon be able to work with you ____ our mutual advantage.
A.
for
B.
to
C.
in
D.
at
【简答题】We sincerely hope you can entertain this attractive quotation.
【单选题】Which of the following is not true regarding e-commerce today?
A.
Economists' visions of a friction-free market have not been realized.
B.
Consumers are less price-sensitive than expected.
C.
There remains considerable persistent price dispersion.
D.
The market middlemen disappeared.
【单选题】在一定压力和一定温度范围内,液体的摩尔蒸发焓随温度的变化率 P
【单选题】We sincerely hope that our request will meet with your approval.
A.
衷心希望能同意我方投保。
B.
衷心希望能与我方面谈。
C.
衷心希望能同意我方要求。
【单选题】在一定压力和一定温度范围内,液体的摩尔蒸发焓随温度的变化率 P
【单选题】Which of the following statements about the Internet is most accurate?
A.
Consumer e-commerce looks promising, but business-to-business e-commerce is declining.
B.
After the dot-com meltdown of 2000, fewer consumers are buying products and services online.
C.
Companies are cautiously using the Internet to build closer relationships with customers and marketing partners alike.
D.
Web 2.0 involves a less balanced approach to online marketing than the original dot-com boom did.
E.
The Internet makes it easy for consumers to view, interact with, and create marketing content.
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【单选题】在一定压力和一定温度范围内,液体的摩尔蒸发焓随温度的变化率 P
【单选题】在一定压力和一定温度范围内,液体的摩尔蒸发焓随温度的变化率 P