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【单选题】
铸件变形是造成铸件适合性差的主要原因,下列导致铸件收缩变形的原因不包括 ( )
A.
蜡型完成后,静置24小时后进行包埋
B.
铸件体积大,设计复杂
C.
铸件的厚薄差别大
D.
按厂商介绍的方法进行蜡型的包埋、铸圈的焙烧和铸造
E.
包埋材料的膨胀不能补偿铸金的收缩
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【判断题】Support activities are always less important than the primary activities in achieving a competitive advantage.
A.
正确
B.
错误
【简答题】编写一段程序: 每个苹果0.8元,第一天买2个苹果,第二天开始,每天买前一天的2倍,直到购买的苹果个数达到不超过100的最大值。求每天平均花多少钱?
【简答题】关门性能试验时,车门关闭后,辅助锁不动作(Y2电磁阀不动作),可首先在门关闭状态观察门控器上的__是否亮灯,如果亮灯,可在断电的情况下用万用表的蜂鸣档依次检测X2插头的__点到XT1端子的__点二极管的__级的通断;然后检测XT1端子的__点二极管的__级到Y2电磁阀插头正线的通断;最后检测Y2电磁阀插头负线到XT1端子3/4点__号线的通断。
【单选题】The primary activities of a firm include
A.
inbound logistics, operations, outbound logistics, sales and marketing, and service.
B.
inbound logistics, operations, outbound logistics, technology, and service.
C.
procurement, inbound logistics, operations, technology, and outbound logistics.
D.
procurement, operations, technology, sales and marketing, and services.
【多选题】What are the primary four activities for centers in the classroom?
A.
Share reading
B.
Read a book
C.
Work on writing
D.
Listen to a book
E.
Word work
【单选题】_____ activities of the value chain provide inputs that allow the primary activities to occur.
A.
Complementary
B.
Basic
C.
Core
D.
Support
【判断题】The value chain model classifies all company activities as primary activities.
A.
正确
B.
错误
【单选题】All of the following are examples of primary activities except
A.
Logistics
B.
Marketing and sales
C.
Customer service
D.
Production
【单选题】The hardware and software that must be implemented to support the applications that the primary activities use are a part of the ________ activities.
A.
technology development
B.
procurement
C.
inbound logistics
D.
infrastructure
【简答题】每个苹果 0.8 元 , 第一天买 2 个苹果 , 第二天开始,每天买前一天的倍 , 直至购买的苹果个数达到不超过 100 的最大值。编写程序求每天平均花多少钱?
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