新概念英语的摘要写作答案谁晓得?

It took the firemen nearly three weeks to get the forest fire under control.Now that all the great trees had been burnt,there was danger that heavy rain would cause serious floods which would destroy the surrounding villages.To prevent this,the forest authorities ordered grass-seed which was sprayed over the ground by planes for nearly a month.By the time that it began to rain,the grass had taken root in many places