英语：Unit4《Exploring plants》篇章分析教案（2）（新人教版选修9）Unit 4 Exploring plantsTeaching ResourcesDiscourse studies of PLANT EXPLORATION IN THE 18TH AND 19TH CENTURIES1. Type of writing and summary of PLANT EXPLORATION IN THE 18TH AND 19TH CENTURIESTitle of textPLANT EXPLORATION IN THE 18TH AND 19TH CENTURIESType of writingExposition2. A diagram of PLANT EXPLORATION IN THE 18TH AND 19TH CENTURIES
 

 英语：Unit4《Exploring plants》教案（1）（新人教版选修9）教学内容： Plant exploration in the 18th and 19th centuries语言材料分析：本册书针对的是高三学生。本节为本单元第二课时，主要介绍了欧洲18和19世纪的植物探险。本文简要地介绍一些著名的探险家和他们所取得的成果。文章属于总─分的结构。通过本文的学习，学生可以扩大视野，了解一些植物探险方面的知识。但是这篇文章篇幅上很长，信息量很大对学生理解该文造成了一定的难度。因此，在本课前要考虑这一问题，帮助高三学生提高阅读速度和对细节信息的分析。Teaching..

 英语：Unit4《Exploring plants》背景知识教案（1）（新人教版选修9）Teaching ResourcesBackground information for Unit 4 Exploring plantsImportance of PlantsPlants form the basic food staple for all life forms. They are the major source of food and oxygen on earth, since no animal can supply these necessary components without plants. The cattle we eat as beef, feed on grasses and the fish we eat, consume algae and are