精选优质文档-倾情为你奉上Unit 2 working the land (A pioneer for all people)The core of this unit is “agricultural”, it mentions our famous scientist Yuan Longpings contribution to agriculture and the influence of fertilizer to the land, and how to develop organic faming. (this lesson introduces our famous agriculturist Yuan longping and his great contribution )According to learning this unit, Ss can master some important words, expressions and sentence structures. Let them know some knowledge of