高中英语人教版 (2019)选择性必修 第一册Unit 5 Working the Land试讲课ppt课件

这是一份高中英语人教版 (2019)选择性必修 第一册Unit 5 Working the Land试讲课ppt课件，共17页。PPT课件主要包含了Para1，But，Para2，Para3，focus on，free of，keep，Para4，Writing等内容，欢迎下载使用。

What are the farmers ding?
They are fertilising the crps.
What kinds f fertilisers d they use?
rganic fertiliser
chemical fertiliser
What kind f farming are they ding?
Organic farming
Chemical farming
which ne is better?
The text mainly talks abut chemical farming and rganic farming. ________________ can cause many prblems, as an alternative, sme peple switch t ________________.
rganic farming
What's the main idea f the text?
Organic farming is simply farming withut using any chemicals.
1. What is chemical farming?
2. What is rganic farming?
Chemical farming is farming using chemical pesticides and artificial fertilisers.
Skim the text, and then answer the fllwing questins.
A. What rganic farming isB. Why man-made chemicals are still used in farmingC. Organic methds fr prducing rich silD. The prblems with chemical farming
Paragraph 1&2Paragraph 3Paragraph 4Paragraph 5
Match the main ideas (A-D) with the paragraphs.
bacteria and insects
the damage they cause t peple and envirnment
grw t fast
natural waste frm animals
change the kind f crp
t prduce rich sil
diverse depths
demand fr fd
Cmplete the sentences in the table.
1. Why did many farmers welcme the intrductin f chemical farming?
Many farmers welcmed them as a great way t stp crp disease and increase prductin.
2. What cncerns many peple abut the use f pesticides?
Their lng-term use can smetimes harm bth the land and peple's health.
3. What is ne prblem with the use f chemical fertilisers?
Crps grwn with them usually grw t fast t be rich in nutritin.
4.What are the advantages f rganic farming?
The farmers__________keeping their sil rich,__________disease and__________the air,sil,water and crps__________chemicals.
5. Why d rganic farmers change the kind f crp grwn in a field every year?
Because they put imprtant minerals back int the grund, making it ready fr the next batch f crps.
chemical farming
rganicfarming
disadvantages
fight crp diseaseincrease prductinlwer cstcrps lk beautiful
gd fd aviding damage t the envirnment r t peple's
harm the land harm peple’s healthharm the envirnmentcrps are less in
cannt meet the demand fr fdmre effrts and higher cstsmelly
chemical farming VS rganicfarming
me up with three main pints t supprt yur pinin, and then add at least ne detail t supprt each main pint.
Tpic sentence: In my pinin, ___farming is preferablet __ farming because______.Pint 1: ________________ Detail:_________________Pint 2: ________________ Detail:_________________Pint 3: ________________ Detail:__________________Cnclusin: __________________________________________
chemical farming VS rganic farming
express yur pinins:In my eyes… I’m ppsed t… I’d prefer… because… Frm my pint f view,…What I firmly believe in is that…
make a cnclusin:In summary,In a wrd,…All in all,…T sum up,…
In my pinin, _______ farming is preferable t ________ farming because___________. T begin with, ________. In additin____________. Finally,_________. Hwever, as fr______ farming, it _________. First and fremst, _______. Mrever_______. Plus, ________. Hence/Therefre, I hld the belief that ___________.
In my pinin, rganic farming is preferable t chemical farming because it has numerus benefits. T begin with, rganic fd is generally mre nutritius than fd grwn with artificial fertilisers. In additin, it is beneficial t ur health. In fact, it cntains much mre essential minerals, fr instance, vitamins. Finally, what attracts cnsumers mst is its tasty flavur. Hwever, as fr chemical farming, it prduces fd with less flavr and nutritin, which is essential t peple. Plus, chemical farming kills nt nly bad but als gd insects and thus damages the land. Therefre, I hld the belief that rganic farming brings us mre advantages and is mre envirnmentally friendly.