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Such items include smoke detectors, automatic sprinkler systems and fire________
Such items include smoke detectors, automatic sprinkler systems and fire________
游客
2025-01-29
13
管理
问题
Such items include smoke detectors, automatic sprinkler systems and fire_________systems as mentioned in the question.
选项
A、signal
B、alarm
C、bell
D、warning
答案
B
解析
warning(警告),a verbal/written/final warning(口头/书面/最后警告);alarm(报警,警报,警报器),a fire/smoke alarm(防火/烟火报警器);signal(信号,预示),traffic signal(交通信号灯);bell(铃,钟),church bell(教堂的钟声)。所以选项B为答案。
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