必修四Unit2 单词、两篇阅读ppt课件.ppt

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1、Vocabulary Learning,Statistics show that more than 800million people go to bed hungryevery day.,statistic 数据(常复数),It is easy for people to get sunburntin summer.,sunburnt adj.晒黑的,Life is a struggle.,struggle v./n.斗争；拼搏；努力,To struggle for my dream,I have tostruggle with/against many difficulties.,str

2、uggle with/against sb./sth.与.斗争,The armless man struggles to supporthis family by running a small shop.,struggle to do sth.努力去做;挣扎着去做,The milkman struggles to make ends meet by delivering milk.,struggle to make ends meet勉强维持生计,The dog cant struggle to its feethowever hard it tries.,struggle to ones

3、feet 挣扎着站起来,They have been in love for a decade.,decade n.十年,Statistics show the output of cars inthe first 8 months of our country hasgone beyond 10 million.,output n.产量；输出,Farmers grow different crops.,crop n.庄稼；农作物,Yuan Longping-Father of super hybrid rice.,杂交水稻之父,The professor broke down under t

4、he strain of overwork.,strain 压力；张力；植物的品种，种类,die of hunger 死于饥饿,There is one child dying of hungerevery second across the globe.,Do you hunger?I feel hungry.,hunger v.饥饿,What does the little girl hunger for?,hunger for sth.渴望某物=have a hunger for sth.,Most disturbing of all was the huge gapbetween th

5、e rich and the poor.,disturbing adj.引起烦恼的；令人不安的,Please dont disturb us while we arehaving a class.,disturb vt.打扰；扰乱；妨碍,The eagle expanded its wings.,expand vt.伸开；展开；扩展-n.expansion,Starting as a small family factory,it hasexpanded into an international company.,expand(.)into.(使)扩展为.,circulate vt./vi.

6、循环,What does it mean if your blood stop circulating in your body?,Their divorce quickly circulated.Who circulated the news?,circulate vt./vi.传播；流传,Thanks to you,I never feel lonely in this lonely world.,thanks to 幸亏；由于；因为,All people worked together to battlewith/against the natural disaster for abet

7、ter tomorrow.,battle n./v.战斗,Effective measures should be taken to rid the world of hunger.,rid.of.使.摆脱./除去,People are wondering how to help theworld get rid of poverty.,get rid of 摆脱；除去,be satisfied with 对.满意,I am 100%satisfied with you for yourperformance is satisfying/satisfactory.,freedom n.自由,T

8、he Statue of Liberty stands for freedom.,therefore adv.因此；因而,He was busy.Therefore,he couldnt come.,equip.with.(for sth.)(为了.)用.武装/装备.,We should equip ourselves withenough knowledge for a better future.,The hospital is equipped with the latestmedical equipment.,be equipped with 装备着;具有,a grain of.一粒.

9、,The old woman is picking grains of rice in order not to waste grain(粮食).,export n./v.出口-import 进口,China is a big country to export tea toother countries.中国是茶叶出口大国。,-Whats your nationality?-Im Chinese.,nationality 国籍,-Whats his occupation?-He is a chef.,occupation 职业,During World War Two,Japaneseocc

10、upied Vietnam.The occupation led totwo million people dying of hunger.,occupation n.占领-v.occupy,He is occupied with national andinternational affairs.,be occupied with sth.忙于某事occupy oneself with sth.忙于某事,He is occupied in dealing with nationaland international affairs.,be occupied in doing sth.忙于某事

11、occupy oneself in doing sth.忙于某事,They look alike in appearance,butdiffer in personality.,in personality/character 在性格上,How to solve the problem confuses him.The problem is confusing.He is confused about the problem.,Dont confuse“sign”with“sigh”.,confuse.with.把.和.弄混淆,=mix.up with.,Do you have any reg

12、rets about your life?,regret n.遗憾；后悔 to ones regret 让某人后悔的是,I never regret meeting you having met you.,regret doing/having done 后悔做了,I reget to inform you that youre fired.,regret to do 很遗憾去做.,Some bacteria are beneficial whilesome are harmful.,bacteria 细菌(复数)bacterium(单数),Doing Kung fu is a good wa

13、y to build up your body.,build up ones body 强身健体,Build up your confidence and your dream is not far away.,build up confidence 树立信心,The book deals with food nutritionand health care.,nutrition n.营养(不可数),Our body needs a variety of mineralsand vitamins.,mineral 矿物质,Wherever she goes,she is the focus o

14、f attention.,focus n.焦点；中心点,He finds its difficult for him to focus(his attention)on one thing for longerthan five minutes.,focus(attention)on sth.集中注意力于,With her attention _ on herhandwriting,she almost forgets everything.,focused,She managed to reduce her weight _20 pounds.She managed to reduce he

15、r weight _100 pounds from 120 pounds.,by,to,reduce v.减少reduction n.减少,We should keep ourselves free fromdrugs.,keep.free from/of.使.免受(影响,伤害等);使.不含(有害物质等),Uncleanliness is the root of variousdiseases.不注意清洁是各种疾病的根源。,root n.根；根源,His rudeness roots in his lack ofeducation.,root in sth.根源于,Do you know ho

16、w to underline somewords on the computer?,underline v.画底线标出；强调,In summary,helping others is helping yourself.,in summary 总之,No comment!,When you say“No comment”,youwont comment on sth or you wontmake any comments on sth.,comment v./n.评论,No comment.无可奉告comment on sth.对.作出评论make comments on sth.对.作出评论

17、,Warming up&Reading,A Poem,Farmers weeding at noon,Sweat down the field soon.,Who knows food on a tray,Due to their toiling day.,Do you know how rice is grown?,ploughing（犁田）,seeding（播种）,fertilizing(施肥),irrigating(灌溉),harvesting,Rice is the main food in China.,Once an American,came up with the theory

18、 of Chinese Menace(威胁)that in the 2030s,Chinese population would add up to 1.6 billion,and it would be impossible to feed such a large population in China as well as in the world.,Just at that time,a Chinese scientist declared to the world that the Chinese could solve the feeding problem by themselv

19、es and help to solve the same problem in the world.,How did he solve this problem?,Super Hybrid Rice,Super Hybrid Rice,the rice that has a high output,Atomic bombs prevent the Chinese from being threatened.Yuan Longping prevents the Chinese from going hungry.,Father of Hybrid Rice,A Pioneer For All

20、People,Personal information,Name:Nationality:Age:Occupation:Education:Achievement:Hobbies:Dreams:,Yuan Longping,Chinese,Personal information,Name:Nationality:Birth:Age:Occupation:Education:Personality:,Yuan Longping,Chinese,in 1930;in a poor family,87,Scientist of farming,Southwest Agriculture Colle

21、ge,in 1953,care little about money and fame,Achievement:,grow rice that has a high output,Personal information,Hobbies:,playing his violin,listening to violin music,playing mah-jong,swimming,Dreams:,His first dream,His second dream,The first dream,The second dream,rice plants as tall assorghum,to ex

22、port his riceso that his it can begrown around the globe,Write down the main idea of each paragraph.,appearance and achievements,birth,education and research,personality,dreams,1 Why did Yuan Longping want to increase the rice output when he was young?,Because he saw many people go hungry when he wa

23、s young.,Answer Q1-4 on P?.,2 Is Dr Yuan more of a scientist or more of a farmer?Do you think he is a businessman?Give your reasons.,I think he is more of a scientist,although he works in the fields like a farmer.I do not think he is a businessman,because his main purpose is not to make money for hi

24、mself but to study agriculture and use that knowledge to improve farming for farmers everywhere.,3 How would you describe Dr Yuans personality?Use three or four adjectives.,Patient,careful,determined,kind,selfless and so on.,4 What do you think is the main reason for Dr Yuans success?,Because he kep

25、t working and did not give up.,Explain the sentences in your own words in Part 2 on P?,1.As a young man,he saw the great need for increasing the rice output.,Even when he was a young man,he knew how necessary it was to produce more rice.,2.At that time,hunger was a disturbing problem in many parts o

26、f the countryside.,During his early years,much of thecountryside was troubled by hunger.,3 Using his hybrid rice,farmers are producing harvests twice as large as before.,By using his hybrid rice,farmers are producing twice as much rice as before.,4.Spending money on himself or leading a comfortable

27、life also means very little to him.,He is not interested in buying things forhimself or in having a comfortable life.,5.Just dreaming for things,however,costs nothing.,It does not cost anything to dream for something.,between Dr Yuan Longping and Jane Goodall,Similarities,1.They spend their lifetime

28、 on their researches.,2.They make great contributions to mankind and the whole world.,3.They have their dreams and make great efforts to make them true.,4.They both lead a busy life.,5.They love their work with their pure love.,6.Theyre selfless and seldom think of themselves.,7.During the work,they

29、 never give up but just keep on,so theyre determined.,Language points,1.Indeed,his sunburnt face and arms and his slim,strong body are just like those of millions of Chinese farmers,for whom he has struggled for the past five decades.,句中的those是为了避免重复，代替前面出现的sunburnt face and arms、slim,strong body。,f

30、or whom he has struggled for the past five decades是非限制性定语从句，修饰Chinese farmers,2.In 1973,he became the first agricultural pioneer in the world to grow rice that has a high output.,常用动词不定式作定语修饰序数词后的名词,他是他村里第一个上大学的学生。He was the first student to go to college in his village.她是最后一个离开办公室的人。She was the las

31、t person to leave the office.中国是第一个制造纸的国家。China was the first country to make paper.,3.Now more than 60%of the rice produced in China each year is from this hybrid strain.,66%of the earths surface _(be)made up of water.66%of the workers _(be)women.,is,are,4.Now more than 60%of the rice produced in C

32、hina each year is from this hybrid strain.,过去分词短语produced in China each year 作定语修饰rice,两者之间是被动关系。,非谓语作定语，多考察和被修饰名词之间的关系，主动用ing，被动用过去分词。,I like reading the novels _(write)by Mark Twain.It was a small book _(explain)how to cut the death rate from giving birth to babies.She had been busy in her _(choos

33、e)career.Have you noticed the _(sleep)boy over there?,written,explaining,chosen,sleeping,We lived in a room _(face)the south.Women _(look)after small children usually get paid by the month.The professor _(refer)to at the meeting will come tomorrow.What are the problems _(cause)by chemical fertilizer

34、s?,facing,looking,referred,caused,5.Yuan Longping is now circulating his knowledge in Vietnam and many other less developed countries.Yuan Longping is now circulating his knowledge in Vietnam and many other developing countries.,非谓语作定语，动作正在进行用ing，动作已完成用过去分词。,The _(fall)leaves are like butterflies da

35、ncing in the air.The _(fall)leaves covered the ground like a golden carpet.Many people have to rent a house in face of increasing housing prices.These increased harvests mean that 22%of the worlds people are fed from just 7%of the farmland in the world.,falling,fallen,5.Thanks to his research,the UN

36、 has more tools in the battle to rid the world of hunger.,ridof 使摆脱；清除I want to rid this city of pollution.The man rid himself of debt.类似用法动词：inform/warn/cureof,The sales manager asked his men to inform him of everything concerning the sales in time.,Chemical farming or organic farming?,Which kind o

37、f farming makes green food?Why?,chemical farming organic farming,*grown in _ air*free of p_*_ _ nutrition*do _ to peoples health and the e_,clean,ollution,rich in,good,nvironment,advantages of organic farming,Read the passage quickly first to find out the main idea of each part.,Part 1(Para.1-2):Par

38、t 2(Para.3-4):,Organic farming and its advantages,Problems caused by chemical fertilizers,Read the text again and answer the questions in Part 1 on P 14.1.Why are chemical fertilizers so popular in farming today?2.What problems can be caused by using chemical fertilizers?3.What is organic farming?4.

39、What is the main reason for using organic farming methods?,Why are chemical fertilizers so popular in farming today?,They are a great way to stop crop disease and increase production.,2.What problems can be caused by using chemical fertilizers?,They can damage the land by killing helpful bacteria an

40、d pets and by staying in the ground and underground water for a long time.They damage peoples health by building up in their bodies and leading to cancer or other illnesses.,3.What is organic farming?,Organic farming means growing crops without using any chemicals.,The main reason for using organic

41、farming methods is to grow good food and to avoid damaging the environment or peoples health.,4.What is the main reason for using organic farming methods?,Find and write down the methods and advantages in the passage.,1.This makes the soil richer in minerals and so more fertile.,2.Farmers often chan

42、ge the kind of crop in each field every few years.,2.Changing the crops renews the minerals in the soil and helps it become rich and healthy.,Methods of organic farming,Advantages of methods,1.Farmers use natural waste from animals.,3.This uses different levels of soil.,4.Farmers sometimes plant gra

43、ss between crops and leave it in the ground.,4.This prevents wind or water from carrying away soil and acts as a natural fertilizer.,Methods of organic farming,Advantages of methods,3.Farmers plant crops with different lengths of roots.,Farmers proverbs&sayings,1.No weather is ill,if the wind be sti

44、ll.2.Yellow sky at sunset,wind in the morrow.3.Rain before seven,clear by eleven.4.April showers bring May flowers.5.Deeds are fruits,words are but leaves.6.The best ground bears weeds as well as flowers.7.Never cackle unless you lay.,提高产量某物的长期使用致力于有机种植natural waste from animals每几年,increase producti

45、onlong-term use of sthturn to organic farming动物的粪便every few years,1.This affects crops since chemicals get inside the crops and cannot just be washed off.2.Crops such as peas or soybeans put important minerals back into the soil,making it ready for crops such as wheat or corn that needs rich and fertile soil.,