2019-2020年高中英语 Unit4《Exploring plants》篇章分析教案（2） 新人教版选修9.doc

2019-2020年高中英语 Unit4Exploring plants篇章分析教案（2） 新人教版选修9Unit 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 CENTURIESdating back to the earliest times Para 1not until the eighteenth and nineteenth centuries Para 2in China by the middle of the 18th century Para 3voyage from England to Oceania Para 4an enormous challenge Para 5The second half of the nineteenth century Para 8not enough material for growing particular species Para. 9Robert Fortune to use Wardian cases Para 7a tightly sealed portable glass container Para 6