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【单选题】
在下列网间互连设备中,在链路层对数据帧进行存储转发的是( )A.
中继器
B.
转发器
C.
网桥
D.
路由器
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反馈参考答案：
举一反三
【简答题】Imports posted higher growth rate than exports after both had a sudden drop in the previous year.
【单选题】What does the professor mean when she says this:
A.
She is reminding the students of previous facts.
B.
She is disagreeing with the statistics.
C.
She is indicating that the example is unimportant.
D.
She is expressing uncertainty about the information.
【简答题】力的三要素是什么?
【单选题】As the economy is getting better and better, there are more and more jobs _____.
A.
valuable
B.
previous
C.
available
D.
convenient
【简答题】Chemistry did not emerge as a science until after the scientific revolution in the seenth century and then only rather slowly and laboriously. But chemical knowledge is as old as history , being ...
【单选题】患者,女性,30岁,撞击后致单纯左肩关节前方脱位,3h后来医院就诊,X线片未见合并骨折征象.止痛的最佳方式是
A.
电刺激
B.
热敷
C.
冷敷
D.
皮质醇局部封闭
E.
磁疗
【简答题】A．Work flexible hours. B．Get a well-paid part-time job. C．Go back to her previous post. D．Do some volunteer work.
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