高一课件19单元Modern Agriculture

5. Traditional methods of farming have no advantages so they won’t be used in future agriculture. 6. The average arable land for each Chinese is much less than that of the world. 7. Growing vegetables in green houses has so many advantages that it can reduce losses caused by bad weather and that it can partly settle the problem of the shortage of arable land. 8. GM is a new technique that can make a plant quite different from what it used to be, bigger and healthier and with no diseases, but it takes longer time to grow. 9. The GM technique can only be used on plants, but not on animals at the present time.
Paragraph 1: Traditional agriculture in China.
Paragraph 2: The development of agriculture before the 1980s.
Paragraph 3:
New techniques to protect environment as well as increasing produstion from the 1990s.
3. (para. 3) New techniques should increase production but also be friendly to the environment.
4. (para. 4) Many vegetables are not grown in gardens but in greenhouses where they are protected from the wind, rain and insects.
Paragraph 4: Ways to solve the problem of the shortage of arable land.
1. 2.
GUsreowGMvegtoeWtcarbehlaetsaeitnpalgarrneetesntthhhoauet spewrso.adyucse?more
store. ways of feeding the crops.
It is difficult to carry and It is easy to transport. move.
In thUe fsiirnstgpAicntuimrea: ls *PatchUessionfgfaMrmacfihelidnse.s
then.
What are the doifftfeenre. nces?
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they are old. of ploughing ftahcetofireiledssw. hen broken.
few chickens.
sands of chickens.
It
cost
onlyWa lhitatlte
amroenetyh. e
It cost a lot to start
dfiafcfteorye.nces?
a
don’tChaovme mpaanryeptrhoebloemlds ainf idll,tmhaenmy doiedoerranre killed
The eggs anwdamyesatoafrreaisingThcehyidcokne’nt tsa.ste so
tasty.
delicious.
The chickens are free.
not free, can sit in small cages
In NthaetfuirrsatlpFicetrutriel:izer A pileCohf eamnimicaallsFheitr(tmiliazneurre)
cIhnetahpetsoecoownndapnidcttuorek:eep
*Aexfapremnseirveistoplbouuyghainndg to use the field with an animal.
They do not pollute the air. They result in pollution.
A. What is farming like in your hometown?
B. Look at the pictures at p.45 and compare
traditional and modern farming.
1. What can you see in the pictures?
T 1. China has only about 67,000 sq. km of arable land.
grow cropsW. hat are the dailmffoesrteenvecreysw?here. Compare the old aIynfodtuhmetrhaeeyislmoasepoodcwreoerprnsf.ailure, ways of irrigation.
Task 2 Reading—Scanning
fields.
It usually hWashaabtadarsme etlhl.e dItifufseuraellny cheass?no smell.
It neeCdsoamlopt aofrpelatcheetoold aInt dtaktehselitmtleopdleacrento store.
The Lecturer: Shen Kailai
In Qingyuan Apr. 19, 2004
Welcome to my class
Unit 19
Modern Agriculture
Pre-reading Presentation Reading Homework
Task 1 Pre-reading
and
bigger and better crops.
TASK 3
Listen to the tape and do Exercise 1—Page 46 Post-reading
TASK 3
Listen to the tape and do Exercise 1—Page 46 Post-reading
5. (para. 5) In other words, the way tomatoes grow from a natural seed is changed.
TASK 4
Careful Reading True or False
1. China has only about 67,000 sq. km of arable land. 2. Which of the following ways did the farmer make use of to increase farm production before the 1980s? A. the use of machines, eg. tractors ( ) B. the use of electric pumps ( ) C. the use of chemical fertilizers ( ) D. the use of GM ( ) E. the use of insect killers ( ) F. the use of special seedbeds ( ) G. more than one crop is planted each year wherever possible ( ) 3. No advanced technical information was brought in from abroad before 1980. 4. Scientists have always tried to increase farming production without harming the environment since the early 1990s.
**Divide the text into 4 parts and find the main idea of each part:
The 1st part — the first paragraph The 2st part — the second paragraph
The 3st part — the third paragraph The 4st part — the fourth, fifth and sixth paragraphs.
TInhetyhecathnirbde puiscetdurine:dif- *FTahremyecrasnusoenltyhebetruascetodron
ferent places
tofwlaotrakntdhderlyanladn. d.
They need rest now and They don’t need rest too
2.
What are the advantages and disadvan-
tages of each way?
Old way
Modern way
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Giv1e. yDour r2ea. sAons w3i.thCa sen4t.enCce in5th. eCtext.
1. (para. 1) Only 7% of the land can be used for farming.
2. (para. 2) Farms have used fertilisation to make their land produce more.
Terrace Irrigated land
Drought Greenhouse
InNthaetfuirrsatlpCicltiumrea:te * TeCrroancterdoflileeldsC. limate
inIbnatdhewseeactohnedr, pcricotpusrelo:st *clDimraytebcaornrternollfeadr,mlelsas nddam. age ThIne ltahnedtshciarpdepiisctmuorer:e *TIhrerilgaantdedscfaapremlloasneds .its ObenIanluytthaifreualfb.oluerltahnpdicctaunre: *nGGartreueerenanhlhoboueusaesuestscy.a. n be built
ItInistfhreeeseocrocnodstpvicetruyreli:ttleA. bIatgisoefxcpheenmsiivcealtofebrtuiyli.zer. It needs lots of work to It is easy to be put in