17. 119 or 110 dispatchers should_____ calm, reassuring manner while handling emergency calls.
(A) ignore
(B) exhibit
(C) prevent
(D) coordinate
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統計: A(15), B(172), C(52), D(70), E(0) #3414310
統計: A(15), B(172), C(52), D(70), E(0) #3414310