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【单选题】
下列不属于大环内酯类抗生素的药物是A.
红霉素
B.
阿齐霉素
C.
克拉霉素
D.
罗红霉素
E.
克林霉素
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【简答题】n. [U] the process of starting or creating sth. such as an organization 建立;创立;设立
【单选题】One plausible explanation of the U.S. productivity slowdown starting in 1973 is that it was the result of the time needed to adapt to new technology. This explanation would require that
A.
workers withdraw from the labor force to learn about the new technology.
B.
a large number of new entrants be attracted to the labor force.
C.
managers be reluctant to adopt changes.
D.
workers time at their jobs be diverted from production to learning the technology.
【判断题】Starting from 1977, AAA has inspected and ranked hotels in the U.S., Canada, and Mexico using a scale from 1 to 5 diamonds.
A.
正确
B.
错误
【简答题】e____ n.[u] the process of starting or creating sth. such as an organization 建立;创立;设立
【简答题】We rely on coal, oil and fossil fuels for over 80 percent of our current (1) 能源消耗 (B4U7) -a situation which shows little sign of changing over quite a long period of time. On top of this (2) 能源需求 (B4U...
【简答题】在市场经济环境下,客户是公司生存发展的重要因素,一般分为现有客户和 。
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