化学与生活密切相关。生活中的下列做法不合理的是

①炒菜时油锅着火，用水浇灭油锅中火焰

②不慎将浓硫酸溶液沾在皮肤上，要用较多的水冲洗，再涂上稀氢氧化钠溶液

③用小苏打做糕点的疏松剂

④冬天在煤炉火上放一盆水，就能防止一氧化碳中毒

⑤用含亚硝酸钠的工业用盐腌制食品

A．②③⑤

B．①②④⑤

C．①③⑤

D．②③④⑤

The eighteenth-century British thinker Edmund Burke made the following observation about the benefits of opposition: "He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper."
In your view, to what extent can we benefit from opposition to our ideas, or desires. Write an essay of about 400 words that defends challenges, or qualifies Burke’s statement about the benefits of opposition. You should present your argument with reasons and examples.