进行化学实验必须注意安全，下列几种处理事故的方法正确的是( )
①浓H2SO4滴到皮肤上，先用水冲洗，再用布擦干 ②酒精不小心洒在实验桌上，并燃烧起来，应立即用水扑灭 ③不慎将酸溅到眼中，应立即用水冲洗，边洗边眨眼睛 ④镁带着火应用干粉灭火器灭火，不能用泡沫灭火器灭火 ⑤实验时不慎被玻璃划破手指，引起轻微流血时，用三氯化铁溶液涂抹止血
| A．①② | B．②④⑤ | C．③⑤ | D．①③④ |
相关试题
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
I can’t leave. She told me that I ______ stay here until she comes back.
| A．can | B．must | C．will | D．may |
—— Do you mind my opening the window? It’s a bit hot in here.
—— ______ , as a matter of fact
| A．Go ahead | B．Yes, my pleasure |
C．Yes, I do | D．Come on |
It’s high time you had your hair cut ; it’s getting _______ . 
| A．too much long | B．much too long |
C．long too much | D．too long much |
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