46 Why do the staff in the office buildings have more available time in starting their evacuation?
(A)Because they are younger
(B)Because they know where they are
(C)Because they have frequent fire drills
(D)Because the detection and alarm systems activate normally
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統計: A(24), B(162), C(81), D(134), E(0) #2024009
統計: A(24), B(162), C(81), D(134), E(0) #2024009