大纲版高三英语Unit4 Green world reading the birth of a science 教学课件 (共18张PPT)

1、Unit4 Green worldUnit4 Green world The Birth of a ScienceThe Birth of a Science 厦门二中厦门二中 郑芃芃郑芃芃 Warming upWarming up Look at the pictures and match Look at the pictures and match each flower with its correct name.each flower with its correct name. 牡丹，国色天香，一直被国人视为富贵、吉祥、牡丹，国色天香，一直被国人视为富贵、吉祥、 幸福、繁荣的象征。

2、幸福、繁荣的象征。 牡丹是原产于我国的木牡丹是原产于我国的木 本名贵花卉。从唐代起，牡丹就被推崇为本名贵花卉。从唐代起，牡丹就被推崇为“国国 色天香色天香”。尽管朝代更迭，世事沧桑，牡丹统。尽管朝代更迭，世事沧桑，牡丹统 领群芳，影响深远，地位尊贵。领群芳，影响深远，地位尊贵。 我国有种牡我国有种牡 丹、赏牡丹的悠久历史，并形成了丰厚的牡丹丹、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、各民族牡丹、唱牡丹

3、、开牡丹花会成为各地、各民族 的一种喜庆盛事。的一种喜庆盛事。 Peony Peony Peony Peony the Chinese national flower Tulip Tulip Rose Rose Sunflower Sunflower Which flower is your favorite? Explain why. Pre-reading Why was Carl Linnaeus important to Why was Carl Linnaeus important to the history of botany as a science?the history o

4、f 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-readingWhile-reading I. Fast reading How many people are mentioned in the passage? Carl Linnaeus Daniel Solander Joseph Banks Captain Cook I

5、I. Careful reading 1. Before Linnaeus botany was _ Astudied by doctors Bunknown to anyone Cfully developed Da branch of medicine 2. Some economic species plants such as_could help to develop local economies Arose and peony Btea and apple Ccocoa and hemp DCocoa and lemon 3. It was _ who made Kew a ce

6、ntre of scientific and economic research AJoseph Banks BCaptain Cook CLinnaeus D Daniel Solander 4.Paragraph one of the text mainly tells us _ Athe importance of botany Bhow to classify plant species into groups CLinnaeuscontribution to botany DLinnaeusdiscoveries about different species 5.Captain C

7、ook made _voyages altogether around the world. Aone BTwo CThree D.four Post-reading 1. How did scientists classify plants before Linnaeus? 2. What were the goals of James Cooks first voyage around the world? Some scientists classified plants into herbs and trees, or according to the shape of the fru

8、it, 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 supply his own money to equip part of the

9、 expedition? 4. What could be a possible explanation for the name “strawberry”? Because the government would not pay for such a new field of science as botany. When people plant strawberry, they spread straw under the fruit to reduce the necessary amount of watering. Consolidation Translate the foll

10、owing phrases into English: 1. 详细地详细地 2. 处于支配的地位，负责处于支配的地位，负责 3. 由由负责负责 4. 任命某人为任命某人为 5.将将分类成分类成 6. 计算计算之间的距离之间的距离 in detail in charge of in the charge of appoint sb. as classifyint o calculate the distance between 7. 一代一代传下去一代一代传下去 8.建于建于之上；以之上；以为基础为基础 9.参与参与; 陷入陷入 的活动的活动 10.根据根据;视视而定；按照而定；按照 11.搜索；寻找搜索；寻找 12.总而言之总而言之