高中英语第五册Unit4reading课件.ppt

The birth of a sciene Reading Unit4,rose 玫瑰,tulip 郁金香,sunflower 向日葵,Peony,the Chinese national flower,lily,Which flower is your favorite?,rose,red roses stand for warmth and love white ones stand for purity（纯洁） and simplicity（朴实） blue ones stand for honesty and sincerity.,Coffee beans are used to make coffee.,Coffee came from Africa, although coffee-drinking started in Arab countries. Coffee as a crop is now grown in subtropical regions, such as Latin America, Africa, Arabia, Indonesia, Hawaii, India and in Southeast Asia. Subtropical: 亚热带的 热带的 ：,Tea is used to make tea.,Tea originally came from China. Currently(目前), the most important tea producing countries are China, Japan, India and Sri Lanka. Currently:普遍地, 通常地, 现在, 当前,Chili is used as a spice to make food more tasty, which came from Latin America.,Hemp from the Central Asia is used to make rope or carpets.,The birth of a science,What kind of science do you think the text will discuss?,A branch of ,before,now,Joseph Banks,Daniel solander,Karl Linnaeus,Teacher,Student,lifelong friends,(para1),(para2),(para3-7),Listen and read: task 1 (T or F),1.,Before the eighteen century, botany was a separate,science.,2.,Linnaeus,went along with,Solander,on the expedition.,3.,Banks chose a career in science because he was very,wealthy.,4.,The British government paid all the money for the,expedition.,5.,The,Endeavour,expedition was very successful.,6. Before Linnaeus, botany was a branch of medicine 7. Some economic species plants such as cocoa and hemp could help to develop local economies,Time and events: task 2,Before 1700 _ 1759 _ 1766 _ 1768 _ 1771 _ 1778 _,Botany was a branch of medicine,Daniel traveled to England to promote the system,Banks made a journey to study wild plants,Banks and Cook made an expedition to Tahiti,The Endeavor returned to England (a success),Banks was elected president of the Royal Society,Careful-reading:,Find out the differences about classifying the plants. Banks was different from other young people, give us an example. What are the three goals of Cooks expedition? Compare astronomy with botany, whats the different treatment ? what did Banks do on the voyage? 6. What did Joseph Banks do after he returned to England?,Some scientists: Linnaeus:,Three goals: Study the passing of the planet Venus across the sun; Record, classify, and describe all plant and animal life; Search for an unknown southern continent.,Careful-reading:,Find out the differences about classifying the plants. Banks was different from other young people, give us an example. What are the three goals of Cooks expedition? Compare astronomy with botany, whats the different treatment ? what did Banks do on the voyage? 6. What did Joseph Banks do after he returned to England?,Para 6,What did Joseph Banks do on the voyage?,study and describe new plants, look out for new economic species, and move crops on a large scale. -helping to develop local economies,Para 7,What did Joseph Banks do after he returned to England?,was elected president helped to develop the royal gardens -accumulated a great deal of knowledge of- made Kew a centre of research,Carl Linnaeus,develop a system to classify plants,