阿摩線上測驗
46. The author's statement about the highway fence's ability to retain a smaller and lighter car
(A) is the author's assumption.
(B) derives from scientific evidence.
(C) rests upon fact.
(D) can never be verified.
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統計： A(13), B(12), C(4), D(1), E(0) #683601
統計： A(13), B(12), C(4), D(1), E(0) #683601
