195.Which of the following activities do the full-time firefighters do when there are no calls?
(A) Fight fires
(B) Manage disasters
(C) Help out in accidents
(D) Maintain equipment
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統計: A(2), B(0), C(1), D(34), E(0) #2894316
統計: A(2), B(0), C(1), D(34), E(0) #2894316