题目

Dear Friend,        The recent success of children’s books has made the general public aware that there’s a huge market out there. And there’s a growing need for new writers trained to create the $3 billion worth of children’s books bought each year … plus stories and articles needed by over 650 publishers of magazines for children and teenagers.        Who are these needed writers? They’re ordinary folks like you and me. But am I good enough?        I was once where you might be now. My thoughts of writing had been pushed down by self-doubt, and I didn某面粉厂25小时可以磨面粉710吨，照这样计算，12小时可以磨面粉多少吨？