阿摩線上測驗
51. What is the passage mainly about?
(A) How modern robots differ from old ones
(B) The need to create a fair taxing system
(C) Whether robots should be taxed
(D) Ways in which automation helps economic development
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統計： A(0), B(6), C(50), D(18), E(0) #1850393
統計： A(0), B(6), C(50), D(18), E(0) #1850393
