以下哪项是学习曲线的主要表现形式()A、随着累计产量的增加,生产过程中的报废率、返工

题型:单项选择题

问题:

以下哪项是学习曲线的主要表现形式()

A、随着累计产量的增加,生产过程中的报废率、返工率保持不变

B、随着累计产量的增加,工人愈趋熟练,生产效率不断提高

C、生产批次不断优化,设备的设定、模具的更换时间不断增加

D、随着累计产量的增加,原材料采购成本不断降低

考点:采购与库存管理采购与库存管理题库
题型:单项选择题

《太史公自序》载:“春秋之中,弑君三十六,亡国五十二,诸侯奔走,不得保其社稷者,不可胜数。”反映的实质问题是  [ ]

A、诸侯争霸使诸侯国数目减少

B、诸侯国之间为争夺土地人口互相残杀

C、诸侯被臣下追杀而弃国逃跑

D、新兴地主武装夺权,分封制走向崩溃

题型:单项选择题

反映肝细胞损伤的血清指标有()

A.丙氨酸氨基转移酶

B.胆红素

C.血胺

D.吲哚氰绿(ICG)试验

E.乳酸脱氢酶(LDH)

题型:单项选择题
One sunny afternoon, a seven-year-old girl went for a walk. She crossed a large area of grassland into the woods    21  she realized that she was lost.
Sitting on a rock and   22  what to do, she began crying.  After a while. She  23  to walk along a wide path lined with tall trees and thick bushes.   24  it was getting dark, she saw a small, dark wooden house. She opened the door and   25 stepped in. Suddenly, she heard a strange noise, and she ran out the door and back to the   26 . Cold and tired, she fell asleep near a   27 .
The girl’s parents were out and her dog, Laddy, was at home. Laddy   28  that his mistrees(女主人)was in danger. He jumped   29  a window, breaking the glass. He looked in the fields. But he couldn’t find his mistress anywhere. However, from the ground came a   30 scent (气味) as he lowered his head. He  31  the scent and walked across the grassland. Barking   32  into the air, the dog   33  through the woods until he found the  34  . But the girl was not there, so he headed back to the woods. Much to his
  35 , he saw his mistress’ blue shirt in the distance. He   36 over some bushes and saw the little stream, where the girl was   37 .
When she opened her eyes and   38  her dog standing beside her, the girl said, “you
 39  me, Laddy,” and she kissed him several times. Seeing their daughter and dog coming back, the parents burst into tears of   40 That night Laddy had a heror’s supper: a huge meal of steak
小题1:
A.sinceB.beforeC.whileD.as
小题2:
A.rememberingB.forgettingC.wonderingD.regretting
小题3:
A.preferredB.expectedC.decidedD.failed
小题4:
A.IfB.UntilC.WhenD.Because
小题5:
A.cautiouslyB.carelesslyC.hopelesslyD.unwillingly
小题6:
A.treesB.bushesC.grassesD. woods
小题7:
A.rockB.streamC.treeD.house
小题8:
A.sensedB.foundC.heardD.smelt
小题9:
A.atB.inC.throughD.onto
小题10:
A.terribleB.familiarC.pleasantD.strange
小题11:
A.followedB.discoveredC.missedD.ignored
小题12:
A.calmlyB.gentlyC.merrilyD.loudly
小题13:
A.lookedB.wanderedC.searchedD.travelled
小题14:
A.windowB.girlC.heroD.house
小题15:
A.delightB.disappointmentC.embarrassmentD.satisfaction
小题16:
A.climbedB.jumpedC.walkedD.flew
小题17:
A.awakeB.abandonedC.asleepD.available
小题18:
A.spottedB.sawC.observedD.watched
小题19:
A.rescuedB.comfortedC.disturbedD.scared
小题20:
A.reliefB.shockC.sorrowD.pain
题型:单项选择题

基本的库存控制方法有三种,即定期法、()、()和ABC库存控制方法。

题型:单项选择题

下列选项中,引起蒸汽往复泵振动的原因有()。

A.活塞运行速度快

B.缸套顶丝松动

C.缸内进入异物

D.摇臂轴销脱落

更多题库