问题
问答题 简答题
如何扑灭电器设备着火？
答案
参考答案：
电器设备着火时，应在切断电源后使用不导电的材料或干粉灭火器进行灭火。
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如何扑灭电器设备着火？
参考答案：
电器设备着火时，应在切断电源后使用不导电的材料或干粉灭火器进行灭火。
| 选择合适的单词写在句子中的横线上。 | |
2. Our lessons _____ at nine o'clock in the morning. 3. We have a break and talk _____ friends. 4. _____ half past seven in the morning, we have breakfast. 5. We have two maths lessons _____ Tuesday. 6. Daming and Lingling have hamburgers, _____ vegetables or rice. 7. Games start at eight and _____ at ten.  8. I love table tennis, I like to _____ table tennis with my friends on Saturday morning. |