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【单选题】
实验室内因用电不符合规定引起导线及电器着火，此时应迅速（ ）。A.
切断电源后，用任意一种灭火器灭火
B.
切断电源后，用泡沫灭火器灭火
C.
切断电源后，用水灭火
D.
切断电源后，用 CO2 灭火器灭火
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反馈参考答案：
举一反三
【多选题】请问以下哪些方法可以检验钞票真伪()
A.
看水印、安全线、看钞票上的图案颜色是否正常
B.
摸钞票人像、盲文点是否有凹凸感
C.
听抖动钞票声响是否清脆
D.
用验钞机或其他仪器检测
【简答题】I devote myself to music because of my grandmother. My mom and I lived with grandparents from the time I was two until I was eight. And even then, I was at their house before and after school every da...
【简答题】完形填空。 I devote myself to music because of my grandmother. My mom and I lived with grandparents from the time I was two until I was eight. And even then, I was at their house before and after school ev...
【简答题】关于S1口数据流的传输，下列说法错误的是:
【简答题】完形填空。 This is Red Star Town. My grandfather has lived here all his life. He 1 my grandmother here and they got married. Red Star Town was called Taping Town before. The government started 2 the wooden...
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