单项选择题


Questions 22 to 25 are based on the conversation you have just heard.

A．The best ways to work.
B．Human resources.
C．Knowledge management.
D．Changing the technology.
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单项选择题
A．Gas is difficult to transport over long distances.B．The system of long-distance pipelines is not available.C．Gas is not so environmentally-friendly as other fuels.D．The potential profits are far from enormous.
A．Gas is difficult to transport over long distances.
B．The system of long-distance pipelines is not available.
C．Gas is not so environmentally-friendly as other fuels.
D．The potential profits are far from enormous.
单项选择题
A．She specialized in short films.B．She featured famous actors.C．She told a long story.D．She used special effects.
A．She specialized in short films.
B．She featured famous actors.
C．She told a long story.
D．She used special effects.
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