阿摩線上測驗
10. After several near disasters, a _ has raged over the safety of nuclear energy.
(A) controversy
(B) convention
(C) contradiction
(D) conference
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統計： A(25), B(5), C(7), D(10), E(0) #1098219
統計： A(25), B(5), C(7), D(10), E(0) #1098219
