阿摩線上測驗
35 Mountain-climbing is an opportunity to participate in a very individual__________ which pits the climber against nature.
(A) competition
(B) finance
(C) surveillance
(D) punctuation
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統計： A(136), B(13), C(29), D(9), E(0) #3017981
統計： A(136), B(13), C(29), D(9), E(0) #3017981
