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【单选题】
是目前交换机在传送源和目的端口的数据包时的主流交换方式:A.
直通式（快速转发式）交换
B.
存储转发式交换
C.
碎片隔离方式交换
D.
工交换
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反馈参考答案：
举一反三
【简答题】What is the author’s attitude toward the future of autos?
【简答题】阅读理解。(10’) Mrs. Brown’s old grandfather lived with her and her husband. Every morning he went for a walk in the park and came home at half past twelve for his lunch . But one morning a police car stop...
【简答题】制动系的作用是什么?对其有何要求?
【简答题】制动系的作用是什么？对其有何要求？
【单选题】听力原文： Mrs. Brown was over eighty, but she still drove her old car like a woman half her age. She loved driving very fast and boasted of the fact that she had never, in her thirty-five years of' drivin...
A.
She broke her record.
B.
She didn't stop at a red light.
C.
She saw an accident.
D.
She stopped at a red light.
【单选题】If a nation fitting the criteria for the small nation model imposes a 10 percent tariff on imports of autos
A.
the price of autos within the nation will rise by 10 percent.
B.
the price of autos within the nation will rise by more than 10 percent, because of high effective protection.
C.
the price of autos within the nation will rise, but by less than 10 percent because it is small nation.
D.
the price of autos will not rise because of internal competition.
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