牛津英语7b
第一课的,关于火的,课文挺长的,翻译,
fire can be very useful,but it can also be very harmful .be careful when you start a fire.
millions of years ago,early men used a stick ,a large piece of wood and dry leaves to make a fire.
early men found fire very useful.at firstm theu ate raw meat,then they discovered fire and started eating cooked food.At night they used fire to protect their familise from wild animals .they also used fire to give them light and keep them warm in winter.
这是文章，麻烦翻译以下·