smoke alarm C. smoke detector D. gas detector 相关知识点: 试题来源: 解析 C。“smoke detector”是烟雾探测器;A 选项“fire detector”是火灾探测器;B 选项“smoke alarm”是烟雾报警器;D 选项“gas detector”是燃气探测器。本题考查消防设备的英文表达,涉及到名词的区分。反馈 收藏 ...
A. It makes smoke. B. It detects smoke. C. It blows smoke away. D. It stores smoke. 相关知识点: 试题来源: 解析 B。选项 A 意为“它制造烟雾”;选项 B 意为“它检测烟雾”;选项 C 意为“它把烟雾吹走”;选项 D 意为“它储存烟雾”。烟雾探测器是用来检测烟雾的,故选 B。反馈...
A. Temperature detector. B. Sound detector. C. Smoke alarm. 相关知识点: 试题来源: 解析 C。选项 A 温度探测器与烟雾探测器不同;选项 B 声音探测器也不是烟雾探测器;选项 C 烟雾报警器是烟雾探测器的另一种说法。消防安全知识:烟雾探测器可以在有烟雾时发出警报。反馈...
We have a smoke detector in our house. What does a smoke detector do? A. Make smoke B. Detect smoke C. Hide smoke D. Blow smoke away 相关知识点: 试题来源: 解析 B。解析:选项 A,烟雾探测器不是制造烟雾的。选项 C,烟雾探测器不是隐藏烟雾的。选项 D,烟雾探测器不是把烟雾吹走的。烟雾...
At home, we have a thing that can detect smoke. What is it? A. Smoke detector B. Fan C. Light bulb D. Clock 相关知识点: 试题来源: 解析 A。在家里能检测烟雾的是烟雾探测器,即“smoke detector”,所以选项 A 正确。选项 B 是风扇;选项 C 是灯泡;选项 D 是时钟。本题考查了消防设备的...
A beam smoke detector is a device that consists of transmitter/receiver unit and a reflector. It transmits beam of light in order to detect smoke across large areas
A. To make a loud noise when there is fire B. To detect smoke and warn people C. To put out fire D. To decorate the house 相关知识点: 试题来源: 解析 B。“smoke detectors”是“烟雾探测器”,其作用是“To detect smoke and warn people”,检测烟雾并警告人们。反馈...
题目What is the meaning of this sign? A. Emergency exit B. Smoke detector C. Fire engine D. Fire E. scape ladder 相关知识点: 试题来源: 解析 D。此标识是“Fire escape ladder”,意思是消防逃生梯,用于在火灾时帮助人们逃生。反馈 收藏 ...
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