人教版高中英语第三册Unit4 Green worlds(ppt).pptVIP

* Unit4 Green world The Birth of a Science Warming up Look at the pictures and match each flower with its correct name. Peony Peony the Chinese national flower 牡丹，国色天香，一直被国人视为富贵、吉祥、幸福、繁荣的象征。 牡丹是原产于我国的木本名贵花卉。从唐代起，牡丹就被推崇为“国色天香”。尽管朝代更迭，世事沧桑，牡丹统领群芳，影响深远，地位尊贵。 我国有种牡丹、赏牡丹的悠久历史，并形成了丰厚的牡丹文化。牡丹分布广泛，品种繁多，对牡丹的喜爱和培育，我国有着广泛深厚的群众基础。赏牡丹、唱牡丹、开牡丹花会成为各地、各民族的一种喜庆盛事。 Tulip Rose Sunflower Which flower is your favorite? Explain why. Pre-reading Why was Carl Linnaeus important to the history of botany as a science? His system of grouping plants in families was unique, which based on the arrangement of the male and female organs in the flowers. While-reading I. Fast reading How many people are mentioned in the passage? Carl Linnaeus Daniel Solander Joseph Banks Captain Cook II. Careful reading Before Linnaeus botany was ________．A．studied by doctors B．unknown to anyoneC．fully developed D．a branch of medicine 2. Some economic species plants such as____could help to develop local economies．A．rose and peony B．tea and appleC．cocoa and hemp D．Cocoa and lemon 3. It was ____ who made Kew a centre of scientific and economic research．A．Joseph Banks B．Captain CookC．Linnaeus D． Daniel Solander 4.Paragraph one of the text mainly tells us ___ ．A．the importance of botanyB．how to classify plant species into groupsC．Linnaeus’contribution to botanyD．Linnaeus’discoveries about different species 5.Captain Cook made ___voyages altogether around the world.A．one B．Two C．Three D.four Post-reading 1. How did scientists classify plants before Linnaeus? 2. What were the goals of James Cook’s first voyage around the world? Some scientists classified plants into herbs and trees, or according to the shape of the fruit, or whether they had flowers or not. To study the passing of the planet Venus across the sun; to record, classify and describe all plant and animal life observed during the trip; to search for an unknown southern continent. 3. Why did Joseph Banks have to