阿摩線上測驗
7. The flight that crashed on Thursday, causing the deaths of at least 240 people, was one of many disasters in the field of __________ this year.
(A) infrastructure
(B) agriculture
(C) radiation
(D) aviation
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統計： A(5), B(0), C(5), D(41), E(0) #3506629
統計： A(5), B(0), C(5), D(41), E(0) #3506629
