高三英语课件：上学期unit4Greenworld.ppt

Unit 4 Green world,strawberry,grass,rose,trees,Science of studying plantsis called botany,THE BIRTH OF A SCIENCE,Task1.Scan the text to answer:,1.How many people are mentioned in the text?Who are they?Were they all botanists?2.In the title“The Birth of a Science”,“science”refers to_.A.zoology(动物学）B.botany C.biology D.medicine,Four.,Carl Linnaeus,Daniel Solander,Joseph Banks and James Cook.,No.,B,Task 2.Listen to the text to do the true or false questions,1.Before Carl Linnaeus,people didnt manage to classify plant species into groups.2.Linnaeus system was accepted by people3.Rich as he was,he would not like to live a comfortbale life.4.The British government paid for all the expenses for Joseph Banks.5.The most important purpose of the expedition for James Cook is to search for an unknown southern continent.,T,T,T,F,F,Task3.Read the text.,Paras12,How did scientists classify plants before Linnaeus?2.How did Linnaeus classify plants?,A new idea of grouping plants.,Before Linnaeus,plants were classified into herbs and trees,or according to the shape of the fruit or whether they had flowers or not.,He classified plants in families.Its system classifies plants according to the arrangement of the male and female organs in the flowers.,Paras36,1.How many purposes did Captain Cook s expedition have?What were they?2.Why did Joseph Banks have to supply his own money to equip the expedition?3.What did Banks do during the expedition?,1.How many purposes did Captain Cook s expedition have?What were they?,Three.,(1)To study the passing of the planet Venus across the sun.(2)To classify and describe all plant and animal life observed during the trip.(3)To search for the unknown southern continent.,2.Why did Joseph Banks have to supply his own money to equip the expedition?3.What did Banks do during the expedition?,Because at that time,botany was a new field of science,British government didnt want to pay for it.,studied and described new plants he found(2)looked out for new economic species,Paras36,The expedition to Tahiti.,Para7,After he returned from the voyage,in what ways did Banks make great contributions?,Exploration of Africa,settlement of Australia and developing the royal gardens into a centre of scientific and economic research.,Banks work after his voyage.,Task4:Consolidation:,I.Choose the best answer.细节题(12)1.Before Linnaeus botany was_.studied by doctors B.unknown to anyoneC.fully developed D.a branch of medicine 2.The members of the Royal Society aboard the Endeavor included _.Joseph Banks and James Cook B.Carl Linnaeus and Joseph BanksC.Daniel Solander and Joseph Banks D.James Cook and Daniel Solander,信息综合题(37)3.Which of the following sentences is true?A.Linnaeus contribution to science was quite small.B.All of Linnaeus ideas were completely new.C.Before Linnaeus there was no system to classify plants.D.Linnaeus system was simple and clear.,4.Joseph Banks chose a career in science because _.A.he thought that was a good way of making a livingB.he was interested in botanyC.his father had died when he was only eighteen years oldD.he was very wealthy,5.How old was Joseph Banks in 1768?A.26 B.25 C.24 D.We cant find out his age according to the text.6.Captain Cook made_ voyages altogether around the world.A.one B.two C.three D.four 7.Joseph Banks interests lay in _.astronomy and botany B.botany and medicineC.agriculture and botany D.geography and economy,词义猜测题(810)8.Solander developed a lifelong friendship with Joseph Banks,who would later ask him to join his team of botanical explorers on the Endeavour in 1768.What does Endeavour mean?(Para2)A.Effort.B Hard Work C.The name of a ship.D.The name of a team.,9.it was the British government that paid for all the equipment and expenses for that part of the expedition.(Para5)What does“that part”refer to?A.To study the passing of the planet Venus across the sun.B.To classify and describe all plant and animal life observed during the trip.C.To search for the unknown southern continent.D.All of the above.,10.Joseph Banks did not only study and describe new plants he found,but also looked out for new economic species.What does“economic”mean here?A.Cheap B.Condition of a country C.Spending money in a careful way.D.Of plants that could be grown and sold.,II Fill in the blanks according to the text.,It was not until the _ century that_,which used to be considered as a _ of medicine,got separated.The breakthrough was made by Carl Linnaeus.His system soon _the world and several people joined him,one of whom was Joseph Banks.Having an _ for knowledge,Joseph Banks decided to choose a _ in science.In 1768,he was appointed to start an expedition,18th,botany,branch,conquered,appetite,career,which had _ goals,to Tahiti.Since the government wouldnt pay for such a new _ of science as botany,Joseph Banks,had to supply about 10,000 of his own money to _ the expedition.The three-year _ turned out to be a great _,during which Joseph Banks not only studied and _ new plants he found but also looked out for new _ _.He did so good a job that he was elected _ of the Royal Society.,three,field,equip,voyage,success,described,economic,species,president,Discussion:,Do you think it is easy to have a science born?What is important for the scientific work?What can we learn from these scientists?,Homework:,Revise what you have learnt in this period.2.Preview Integrating Skills.,