高中英语人教版备课资料包：必修4 UNIT 2课件 WARMING UP.ppt

1、Unit 2Working the landWarming upEnjoy a PoemBy Li ShenFarmers weeding at noon,Sweat down the field soon.Who knows food on a tray,Due to their toiling day.What do you know about“farming”?wheatricecornpotatoespeanuttomatoesbroomcorncottonAgriculture in the pastAgriculture in the modern timesHave you e

2、ver been to the countryside?What did you see or do there?Are you from a farmers family?What do you know about farming?ploughing(犁田)seeding(播种)fertilizing(施肥)irrigating(灌溉)harvesting(收获)winnowing(扬谷)grow some young plantsinsert the young plants into the fieldHave you ever grown any plants?If so,what

3、did you do to grow them?If not,what kind of plant would you like to trygrowing?How would you grow it?riceRead the statistics below.Did you know these facts before?What problem do they show?What is the main food in all East Asian and Southeast Asian countries?Rice.It is said that there are 2.4 billio

4、n people to eat riceevery day throughout the world.If that happened,people might die of hunger.The whole world would get into trouble.What do you think would happen if tomorrow there was suddenly no rice to eat?Hungern.饥饿,饥渴;渴望vi.渴望;渴求Do something to help end hunger in the world!The only way to solv

5、e the food shortage problem is to increase the yield of the grain crop per land area through the advancement of science and technology.In the late 1990s,Brown,an American scholar,came up with the theory of Chinese Menace(威胁),which said that in the 2030s,Chinese population will add up to 1.6 billion,

6、and had the question who would feed the large population in China as well as in the world.Just at that time,a Chinese scientist declared to the world that China can solve the problem by himself and help to solve the same problem in the world.Yuan Longping“Father of Hybrid Rice”辣椒杂交棉杂交梨重穗型超高产杂交稻杂交甜椒杂交茄子杂交玉米 BrainstormingWhat will you think of when you see the word“farming”?farmingfarmersfieldricefertilizerwheatcottonHomework1.Surf the Internet to find more information about farming.2.Preview the reading.