Unit4ExploringplantsReading课件人教选修9.ppt-(课件无音视频)

1、Unit 4 Reading 课件Warming up How much do you know about plants?DISCUSSION:Did you know that:1.some plants do not have flowers?2.some plants have roots that live in the air?3.some plants eat meat?4.some plants need animals to pollinate them?5.some plants grow on other plants?6.plants are adapted to li

2、ve in specific environments?7.people buy plants that come from other countries for their gardens?8.a new plant does not always grow from a seed?Pre-reading Do you have a courtyard or some pot plants on your balcony?Do you know where these plants come from?Are they Chinese plants or do they come from

3、 another country?When you last visited a public garden,did you look at the individual plants there?Were there any plants from other countries?How do you think plants have traveled from one country to another?Joseph BanksDr Nathaniel WardThe Wardian caseRobert Fortune(1812-1880)represented the Hortic

4、ultural Society of London(now the Royal Horticultural Society)as a collector in China shortly after the Treaty of Nanjing had brought the Opium War to a close.Through his use of the Wardian case,Fortune was able to introduce many of the best-known Chinese garden plants into cultivation in Europe and

5、 North America.Pre Paul Guillaume Farges(1844-1912)French missionary and naturalist.Born at Monclar-de-Quercy,Tarn-et-Garonne.He was sent to China in 1867 and remained stationed in north-east Sichuan until 1903.Although he had always nurtured an interest in the local flora and fauna,it was not until

6、 1892 that he started to collect herbarium specimens in earnest.During the eleven years before he moved south to Chongqing,he collected and preserved over 4,000 specimens.Dove TreeErnest Henry Wilson(1876-1930)Scan the title of the reading passage and the pictures and predict what it is about?Plant

7、Exploration in the 18th And 19th centuriesSkimming Read the passage quickly and try to get the main idea of this passage?Reading ScanningT or F Questions:1.The plants in our garden grew in China originally.F2.The American Middle Classes took great interest in collecting new plants during the 18th an

8、d 19th centuries.F3.French Catholic missionaries were beginning to set themselves up in China by the middle of the 18th century.4.After Father d Incarville died,some Tree of Heaven seeds were sent to England.F5.Banks,together with James Cook,collected many examples of plants in Australia.6.Keeping p

9、lants alive during long land or sea voyage was very difficult,which caused the Wardian Case to be invented.7.Robert Fortune introduced over 120 species of plants to Western Gardens,because he could easily travel everywhere in China.8.During the second half of the 19th century,many Catholic missionar

10、ies were sent to China,and they collected many seeds of plants,which were sent back to France.FDetailed reading:Try to get the main idea of each paragraph:Para 1:explains when plant collecting began.Para 2:describes when and where plant collecting began on a large scale by Europeans.Para 3:talks abo

11、ut French Catholic missionaries who collected plants in China in the 18th century.Para 4:is about the famous British plant collector,Sir Joseph Banks,who collected many new plants in Australia.Para 5:explains the problems of keeping plants alive on long trips.Para 6:describes an experiment carried o

12、ut by Dr Nathaniel Ward who invented a glass case in which to transport plants on long journeys.Para 8:is about Father Farges,a French Catholic missionary who collected plants in China in the 19th century.Para 7:is about Robert Fortune,a British plant collector who made several trips to China in the

13、 19th century.Para 9:Describes how many European plant collectors,such as E H Wilson,went to China so that new plants could be introduced to gardens in the West.Structure:Part I:Para1-2 the beginning ofplant collecting Part II:Para3-4 the explorationof plants in the 18th centuryPart III:Para 5-7 the

14、 invention and use of Wardian casePart IV:Para 8-9 the exploration of plants in the 19th centry ComprehendingTimePeople/plantsHistoric EventsIn 1500 B.CFather dIncarvillesent ships to gather plants,animals and other goodsthe Queen of Egyptin the 1740swas sent to Beijing tree of Heaven seedscollected

15、 plants in AustraliaIn 1784the Tree of Heaven treeIn 1751arrived in EnglandIn 1769Sir Joseph Bankswas introduced into North AmericaIn 1833shipped two cases of British Plants to SydneyRobert FortuneDuring the second half of the 19th centurywere sent to China from FranceNathaniel Ward1843-1859made sev

16、eral trips to Chinamany Catholic missionariesFather Fargescollected a large quantity of the seeds of the Dove Tree in ChinaIn 1897sent seeds of Dove TreeFrom China to FranceIn 1899E H WilsonImagine:Suppose three of you are botanists(植物学家植物学家),and one is a captain.Now each botanist wants the captain to bring his plant home.But the captain can take only one plant,so each must try his best to explain his reason to persuade the captain into taking his own plant.Homework1.Finish off the exercises in the workbook.2.Learn the text by heart.