Unit 19 Modern agriculture 第四課時教案

unit 19 modern agriculture 第四課時教案
teaching aims:
　　read the passage “farming and gardening”
　　learn about jia sixie and his advice to farming.
　　write a plan for a vegetable garden
　　similar dialogue presentation with new words and expressions used within
　　step i reading
　　1. let ss look at the picture and briefly introduce jia sixie,
 
　　2.skimming: let ss read the text and find out the information about jia sixie (slide show)
where/born: yidu, shandong province
when/live: six century ad
where/work: gaoyang, shandong province
what/do: study the science of farming
what book/write: qi min yao shu
the book/about: both the farming and gardening
the importance of the book: an important summary of the knowledge of farming
　　3. skipping(slide show)
he studied the ways of farming
do things such sow seeds or grow young plants at the right time of the year.
improve the condition of the soil
rough ground before sowing or planting crops
let sheep or cows walk on the land to destroy the weeds or eat them.
plough the soil deeply the first time and less deep the second time.
the autumn ploughing should be deeper than the spring ploughing.
don’t plant the same crop year after year in the same field.
　　4.listening: let ss listen to the tape and follow it, then finish the exercises (slide show)
true or false:
1.china was the earliest research center for agriculture. ( t )
2.jiasixie was born in gaoyang in shandong province. ( f )
3.qi min yaoshu includes advice on the following subjects:growing green vegetables and fruit trees,keeping cows and sheep,and there are also instructions for making metals. ( f )
4.the spring ploughing should be deeper than the autumn ploughing. ( f )
5.we should plant rice in the same field year after year. ( f )
6.we’d better grow different plants next to each other in the same field. ( t )
　　step ii writing
　　write a plan for a vegetable garden , using the tips in the book, page49.
　　check the composition with the class.