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【单选题】
Concerning the EOQ model, if demand or annual usage increases by 10%, then the EOQ will ____.A.
it depends on the particular product
B.
increase
C.
decrease
D.
stay unchanged
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【简答题】根据磁化性能不同,常把磁性材料分为 、 、 。
【简答题】二进制补码11011001所表示的十进制数是____。
【单选题】All of the following are mentioned in paragraph 4 as consequences of the new system for workers EXCEPT a loss of
A.
freedom
B.
status in the community
C.
opportunities for advancement
D.
contact among workers who were not managers