[A] research[B] operation[C] movement[D] search

相关问题

• 1、What does "identity" （Para. 2)refer to？A．Movement.B．Target.C．Enemy.D．Habitat.
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• 2、Operation research is a scientific method of providing executive department with a quantit
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• 3、_________[A] searching [B] strolling [C] crowding [D] wandering
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• 4、[A] operation [B] production [ C] procession [ D] action
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• 5、A．A foreign language.B．Good diction.C．Switchboard operation skills.D．None of the above
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• 6、A．In a research institute.B．On the beach.C．In a zoo.D．On the campus.
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