精选优质文档-倾情为你奉上课题名Lesson28 The Study of Living Things主备人课时1课时上课教师上课时间2015年 月 日教学目标知识目标:Words and expressions能力目标:Describe some mysteries of nature .德育目标:Keep trying and never g.ive up.教学重点一、重点词汇biology, butterfly, migrating, fantastic, completely, grandchildren, female, chemical 二、重点句型1. In the United States and Mexico, farmers use chemcals that kill milkweed. 2.In Mexico, the butterflies always return to the same small piece of forest,which is only
