英语阅读理解,求速解Long,long ago people made fires from lightning(闪电).But they had to keep the fire burning,for they couldn't start it again if there was no lightning.Later,they found out hitting two pieces of stone (石头)together coul
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![英语阅读理解,求速解Long,long ago people made fires from lightning(闪电).But they had to keep the fire burning,for they couldn't start it again if there was no lightning.Later,they found out hitting two pieces of stone (石头)together coul](/uploads/image/z/5977710-54-0.jpg?t=%E8%8B%B1%E8%AF%AD%E9%98%85%E8%AF%BB%E7%90%86%E8%A7%A3%2C%E6%B1%82%E9%80%9F%E8%A7%A3Long%2Clong+ago+people+made+fires+from+lightning%28%E9%97%AA%E7%94%B5%29.But+they+had+to+keep+the+fire+burning%2Cfor+they+couldn%27t+start+it+again+if+there+was+no+lightning.Later%2Cthey+found+out+hitting+two+pieces+of+stone+%28%E7%9F%B3%E5%A4%B4%29together+coul)
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