题目
A.PREVIA
B.COASTER
C.LANDCRUSIE
D.CANRY
第4题
A.A.InternetofPeople
B.B.IntermetofTheorys
C.C.IntermnetofThings
D.D.InternetofVehicle
第7题
A.SAC
B.SPC
C.SRC
D.ARC
第8题
A.A.cross-border commerce
B.B.cross-border trade
C.C.cross-border electronic commerce
D.D.cross-border communication
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