阿摩線上測驗
49.Which of the following statements describes an advantage of a suspension bridge over some other types of bridges?
(A) It is easier to complete.
(B) It is stretchable in length.
(C) It is less likely to fall down.
(D) It is less expensive to build.
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統計： A(34), B(195), C(188), D(32), E(0) #1514911
統計： A(34), B(195), C(188), D(32), E(0) #1514911
