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●Quality management(74).
(74) A. is another name for careful inspections
B. is inversely related to productivity
C. is primarily the responsibility of management
D. is primarily the responsibility of the workers
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●By using MP3,a 600M-byte music CD can be (70) to 50M bytes or less.It can be streamed(downloaded in chunks)so that you can begin listening to the opening bars while the (71) of the file arrives in the background.And,most important,MP3 music files retain good listening (72) that (73) compression schemes lacked.That (74) of features makes accessing and distributing music on the Web practical for the first time.(70) A.pressedB.compressedC.pressD.compress(71) A.pastB.otherC.restD.host(72) A.voiceB.massC.quantityD.quality(73) A.earlierB.frontC.backwardD.later(74) A.addB.combinationC.differenceD.condition
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The data station usually means a(71)unit that provides data for transmission, that accepts transmitted data, and that performs all functions necessary for communication with another functional unit. Data stations may be divided into two kinds, the primary stations and the secondary stations, (72)control functions.In(73)data link control, the primary station is the data station that supports the primary control functions of the data link, generates commands to be transmitted, and interprets received responses. Specific responsibilities assigned to the primary station include initialization of control signal interchange, organization of data flow and actions regarding error control and error recovery functions. The secondary station executes data link control functions as (74)by the primary station, interprets received commands and (75) responses to be transmitted.A.performanceB.functionalC.capacityD.quality
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试题(74)Changes often happen in(74).(74)A.Initiating ProcessB.Executing ProcessC.Planning ProcessD.Closing Process
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