If you hear the fire ______, leave the building quickly.A、warningB、alarmC、sign

游客2024-01-02  20

问题 If you hear the fire ______, leave the building quickly.

选项 A、warning
B、alarm
C、signal
D、bell

答案 B

解析 A. warning警告:B.alarm报警,警报,警报器;a fire alarm火警,火灾警报器,C.signal信号,预兆:D.bell铃,钟。
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