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【简答题】
(一)目的：练习材料采购成本的计算。 (二)要求：根据资料分别计算A、B、C三种材料的采购总成本和单位成本，共同性采购费用按购进材料的重量比例分摊。 (三)资料：某企业购进A材料500千克，单价20元：B材料800千克，单价15元；C材料700千克，单价12元。以上三种材料同车运达，共支付运输费350元，装卸搬运费200元。另支付A材料入库前的挑选整理费120元，B材料的检验费80元。
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【简答题】用户要登录到 Windows Server 2012 的计算机,必须拥有一个合法的 _________ 。
【单选题】The boy opened his eyes for a moment, looking at the captain and then died.
A.
opened his eyes
B.
for a moment
C.
looking at the captain
D.
then died.
【单选题】在酸碱滴定中,指示剂的选择原则是
A.
指示剂的变色点必须与计量点符合
B.
指示剂变色点与计量点必须在 pH=7 附近
C.
指示剂的变色范围必须全部或部分落在滴定的突跃范围内
D.
只要是酸碱指示剂就可以使用
【单选题】The top view of an object should typically be drawn:
A.
to the right of the front view.
B.
anywhere on the same page.
C.
directly above the front view.
D.
on a separate piece of paper.
【单选题】The front and top view have ( ), top and left view have ( ), front and left view have ( )
A.
same length, same width ,same height
B.
same width, same length ,same height,
C.
same height, same width ,same length
D.
same width, same length ,same height
【简答题】Looking up, I saw his eyes fixed on me in (curious) ______.
【单选题】What are the regulations of three views? main view and left view : ; main view and top view: ; top and left view: .
A.
same height; same length; same width
B.
same length; same height; same width
C.
same width; same length; same height
D.
same height; same witdh; same length
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