高一英语上学期第十九单元阅读课

1、Unit19Modern AgriculturePeriod 3-4 第一页，共42页。Revision 1. Complete the words and read them out ar_ble te_ni_ p_mp f_terlise ir_gation modern_ Short_ green_ _portGene_ modi_ pl_ ghachquecaluerriiseagehouseimexticallyfyou2 plete the following sentences.1). We all agreed to his plan at the meeting becaus

2、e it seemed that it was quite p_2). We were busy p_ water out of the boat in the rain in order to stop it from sinking.ractical umping第二页，共42页。3). Plants could not grow there in the past because of the s_ of water,so people used to live a very poor life.4) A g_ is used by farmers to grow greens in c

3、old winters so that vegetables can be provided continuously for the town nearby.5) T_ companies are shops or stores where people can buy cigarettes.6) It is said that in some places production can be increased through i_ , that is , to get enough water for crops in the fields.7). When spring comes,f

4、armers will p_ the fields and then sow the seeds.hortagereenhouseobaccorrigationlough第三页，共42页。Lead-in:In our daily life, what we eat are very common. Now lets have a try to see if you can recognize them and name them in English !第四页，共42页。ricepork第五页，共42页。peas第六页，共42页。peanut第七页，共42页。carrot第八页，共42页。gr

5、een pepper第九页，共42页。lettuce第十页，共42页。cabbage第十一页，共42页。beanstalk第十二页，共42页。onions第十三页，共42页。celery第十四页，共42页。tarosweet potato第十五页，共42页。water melon第十六页，共42页。第十七页，共42页。pear第十八页，共42页。grape第十九页，共42页。mango第二十页，共42页。pineapple第二十一页，共42页。strawberry第二十二页，共42页。We know what we have at our daily meals is relation to

6、agriculture. So please answer the question.What will you think of when you see the word “agriculture? 第二十三页，共42页。agricultureagriculturefarmirrigationfoodcropfieldplantsplainfarminggrainfarmerfertilizer seedprairiecountrysidelandarableland第二十四页，共42页。Discuss the following questionwith you partner.Look

7、 at the pictures and compare traditional and modern farming. 第二十五页，共42页。Pre readingPre reading12345678第二十六页，共42页。1) Classify the pictures in the following way:1) Classify the pictures in the following way: Traditional farming Traditional farming Agriculture Modern farming Agriculture Modern farming

8、Hi-tech farming Hi-tech farming2) What are the advantages and disadvantages of each way ?第二十七页，共42页。Raising chickensSmall scale Large scaleThe farmer can keep only a few chickens.It does not cost a lot to keep the chickens.It is not a lot of work to keep the chickens.The chickens dont have many prob

9、lems.The chickens are not so fat.The eggs and meat taste very good.The farmer can keep thousands of chickens.It costs a lot of money to keep the chickens.Its a lot of work to keep the chickens:feeding,cleaning etc.If chickens get ill,many die or must be killed.The chickens are big and fat.The meat a

10、nd eggs do not taste so good.第二十八页，共42页。FertilizersNatural fertilizer (manure; also dung)Chemical fertilizerIts free or can be bought at low prices.Its a lot of work to mix it with the soil.It has a bad smell.It takes a lot of place to store.It is difficult to transport.Its expensive.It is not a lot

11、 of work to mix it with the soil.It has no smell.It takes little place to store.It is easy to transport.第二十九页，共42页。HorsepowerAnimals(buffalo;also ox)Machines(Tractor)They are not so expensive.The “fuel” is cheap(grass,hay etc).They dont pollute the air.They can be used on different land; eg hill slo

12、pes or wet ground.The need to rest sometimes.You can use them for about 10-20 years.If they get young ones,you get more for free.If they totally break down,you can eat them.They are expensive.The fuel is expensive(gasoline).They pollute the air.They can only be used on flat (level) and dry terrain.T

13、hey dont need to rest.You can use them for 5-20 or more years if you can get enough spare (repair) parts.第三十页，共42页。Climate controlOpen airGreenhouseIf the weather conditions are bad you can loose the crops.The landscape is more beautiful.The land must be good for farming (arable land).Weather condit

14、ions are controlled,so they cannot damage crops.It is expensive to build and operate (gas,water,electricity) a greenhouse.If there is a power failure,you may lose crops.The landscape is ugly.Greenhouse can be built where the land is not suitable for farming.第三十一页，共42页。3)、What other changes have happ

15、ened on farms in the last 100 years?Over the last 100 years there have been some changes on farms and in agriculture:The use of machines,the use of chemical fertilizers,the use of insect killers,the use of food supplements in animal feed,the growth of the farms(bigger farms),doing the work with work

16、ers who are not part of family,growing different crops,etc.第三十二页，共42页。 Scanning: Q1:What is the biggest problem to Chinese farmers? Q2:What does GM mean?China is a country with the largest population in the world,but only seven percent of the land can be used for farming.“G stands for “genetically f

17、rom the world “genes.“M stands for “modified,which means “changed.第三十三页，共42页。Questions:Questions:1.How much does arable land take up in China?2.How many ways are mentioned to make the land produce more? What are they?3.What does new techniques mean?4.When did scientist start to develop new technique

18、s?5.How many unusual ways are mentioned to deal with the shortage of arable land?Only 7 percent.4. Fertilisation; irritation; 2 or more crops are planted each year where possible; more advanced technical information.Those that are used to increase agricultural production without harming the environm

19、ent.From the early 1990s.2. Grow vegetables in greenhouses; GM.第三十四页，共42页。The structure of the whole passage The structure of the whole passage Farm-ingFarm-ing_farming methods_farming methods_ farming _ farming techniques techniques Newly-_ farming Newly-_ farming techniquestechniquesdidnt change m

20、uchdidnt change much1._fertilizers 2._ pumps 3.plant two 1._fertilizers 2._ pumps 3.plant two or more crops each year 4.grow seeds in or more crops each year 4.grow seeds in _ before 5.bring in _ before 5.bring in _ 6. Import _ 6. Import of_of_1._ to surroundings 2.grow vegetables in 1._ to surround

21、ings 2.grow vegetables in _ 3.develop new _ _ 3.develop new _ food , such as food , such as traditionaltraditionalmodernizedmodernizeddevelopeddevelopedchemicalchemicalelectricelectricspecial seedbedsspecial seedbedstechnical informationtechnical informationtechnology & machinestechnology &

22、machinesharmlessharmlessgreenhousesgreenhousesGMGM第三十五页，共42页。Important phrases 1. One-family business 2. On this arable land 3.have long used techniques such as 4.chemical fertilisers 5. Electric pumps 6. To make as much use of the land as possible 7.allows farmers to grow an extra crop in each seas

23、on 8. Bring in advance technical information from abroad 9. In the 1980s 10. Import of technology and machines 11. International exchange of delegations 12.increase agricultural production without harming the environment 13. Depend on high technology as well as traditional methods 14. The shortage o

24、f 15. Hang in water that contains all the nutrients they need to grow第三十六页，共42页。16. Stand for 17. In other words 18. Need much time to get ripe Difficult sentences:1.It was from the early 1990s that scientists started to develop new techniques to increase agricultural production without harming the

25、environment. 2.The temperature is controlled with computers , no matter how the weather is outside. 3. It was developed using a technique known as GM.第三十七页，共42页。Language focus in the text.Para. 1It is on this arable land that the farmers produce food for the whole population of China.It + be + 强调部分强

26、调部分+ that (who/ whom) +其他部分其他部分It is the people, not things that are decisive. Jia Sixie wrote a book called Qimin Yaoshu around 540 AD.1.Was it in the early 1990s this happened?2.It was not until she took off her dark glasses that I recognized she was a famous film star.3. Where was it that you met

27、 Tom yesterday?第三十八页，共42页。1. 随着时间的推移2. TO make as much use of the land as possible, two or more crops are planted each year where possible.Where possible= where it is possibleFill in the words in the blanks where necessary.If important, Ill do it at once.Over timePara. 2As many books as possible as

28、much time as possibleas fast/soon as possible = as fast as you can 第三十九页，共42页。Para. 31.Not only is food production important but also taking care of the environment.= Not only , but also taking care of the environment is important Not only but also联结句子时，用not only连接的句子部分要倒装,将BE/情态动词/助动词提早。Not only wa

29、s everything that he had taken away from him, but also he was not allowed to return to his home country.第四十页，共42页。Shortage of/ short ofThe shortage of fuel is the problem.There is a shortage of grain because of poor crops.It was still five minutes short of the hour.The car went short of petrol.We stopped a mile short of the top.第四十一页，共42页。Read the text again an