問題詳情
55．We can learn from the last paragraph that ______.
(A)intelligent shopping carts cost a large sum of money
(B)the Concierge is cheaper than the Buddy devices
(C)shop assistants with computer knowledge are well paid
(D)average stores prefer the Concierge to the Buddy devices
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)