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【多选题】
电子商务按照交易主体的性质来分,可以分为哪些类型?A.
B2B
B.
B2C
C.
C2C
D.
O2O
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】After graduation I was employed by a small private business and a small office was _____ for me. [ ]
A.
equipped
B.
offered
C.
shown
D.
provided
【简答题】Ethernet 所采用的 CSMA/CD 技术的工作原理可以简单地概括为多点接入、____和冲突检测。
【简答题】简述 CSMA/CD 技术的工作原理?
【简答题】— Can I help you? — Well, I’d like to buy a ______ handbag. A. black small shiny silk C. small shiny black sild C. shiny black small sild D. silk black shiny small
【简答题】试述CSMA／CD介质访问控制技术的工作原理。
【单选题】Because Susie earns a small sum of money every month， she cannot rent a large apartment．
A.
department
B.
villa
C.
flat
D.
shed
【单选题】听力原文：Could you send me a copy of the final contract? (A) I signed a contract for my apartment this morning. (B) I made lots of coffee for the meeting. (C) Sure. I' II mail you a revised one today. (29...
A.
B.
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