Show a lottery ticket in class Ask :1. What is it? 2. Do your parents often buy it? 3. Do you know what kind of lottery? 4. Have they succeeded in buying the lottery money? 5.If you were a lottery winner,what would you do? 6.What troubles would you face? 目的:激活学生背景知识,激发兴趣。引出正文,短时间内学生知道了课文中要学什么,同时引出新词lottery。