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【多选题】
快速技术的基本原理是（ ）、（ ）。A.
分层制造
B.
逐层叠加
C.
增材技术
D.
减材技术
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【单选题】Hudson’s Bay’s Home Outfitters sells furnishings and uses self-service, discount prices, high volume, and high turnover of merchandise to their advantage. What are they are?
A.
a. a specialty discount store
B.
b. a factory outlet
C.
c. a mass merchandiser
D.
d. a membership club
【简答题】子供の手袋のかわいいの( )買います。
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