Unit 5 Revealing nature Using language Listening&Speaking&Vocabulary课件-2023-2024学年高二英语外研版（2019）选择性必修第一册

外研 选择性必修 第一册 be native to primitive worldwide giant giant tortoise mangrove iguana comb-like spine 源于……的；原产于…… adj. 原始的；低等的 adv. 遍及全世界 adj. 巨大的，特大的 巨型陆龟 n. 红树(一种热带树木。生于水边或水中，并从树枝上长出新根须) n. 鬣蜥(一种大型热带美洲蜥蜴) adj. 梳状的 n.(动植物的)刺，刺毛 Words and expressions Read after the tape and speak out the Chinese immediately. Listening&Speaking Unit 5 Revealing nature Discover nature, explore nature, and grasp the essence of nature. 发现自然，探索自然，掌握自然的本质。 Biodiversity Biodiversity is the existence of a wide variety of plant and animal species living in their natural environment. 生物多样性 What do you know about biodiversity? Let's listen and learn about it. Listen to the podcast and choose the statements that are made. P71 5 1 Biodiversity is important. 2 Bacteria are always harmful to humans. 3 Some species of bacteria are used in food production. 4 Many species of bacteria recycle dead organic matter. 5 Our immune systems are able to fight off all germs. Listen again and complete the fact sheet. made up of cells bricks that are used to build houses thirty trillion thirty-nine trillion help with digestion break down P71 6 Check your answers. 1 2 3&4 5 6 Now work in pairs. Discuss what you know about cells and bacteria. Complete the boxes with the expressions from the podcast. P72 7 Do you know about...? By the way... Actually, ... Have you heard of...? In fact, ... Speaking of which, … Checking background knowledge Adding information By the way... Actually, ... In fact, ... Speaking of which, … Do you know about...? Have you heard of...? Read the passage and answer the questions. P72 8 1 What species are mentioned and what is special about them? 2 What other unusual life forms do you know of? 1 What species are mentioned and what is special about them? Two species are mentioned: the blue whale and the water bear. The blue whale is the largest species on Earth, which can grow up to almost 30 metres in length and weigh over 130,000 kilos. The water bear is probably the toughest species, which can survive temperatures from 150 ℃ to a below freezing -272 ℃. Check your answers. 2 What other unusual life forms do you know of? Open. For example The moonfish (翻车鱼), which are about the size of a manhole cover (一个井盖), is now considered the first-known warm-blooded fish. Turritopsis dohrnii (灯塔水母) is the only known animal to be immortal (永生的). Whenever it is injured or dying, it can turn its cells back into young cells and start anew. Complete the paragraphs with the correct form of the words and expressions in the box. P73 9 Check your answers. ancestor scientific be native to primitive habitat appearance be home to ecosystem The Galápagos Islands are renowned worldwide for their unique biodiversity. The Giant Tortoise Reserve on Santa Cruz 1__________ several species of giant tortoise that 2____________ the Galápagos Islands. The island is also home to the Charles Darwin Research Station,where 3________ studies are carried out. Mangroves are one of the coastal plants that grow on Isabela. They serve as the 4_______ for various birds and fish, and are very important to the 5___________. Iguanas can be found on San Cristóbal. They have a very special 6___________, with comb-like spines on their back. There is evidence that all the different iguanas have developed from more 7________ ones and share a common 8_________. is home to are native to scientific habitats ecosystem appearance primitive ancestor Work in pairs. Look at the pictures of the species native to different regions of China. Talk about biodiversity in China using the words and expressions in this section. Do online research to find more information. P73 10 ancestor scientific be native to primitive habitat appearance be home to ecosystem Do you know about...? By the way... Actually, ... Have you heard of...? In fact, ... Speaking of which, … Useful expressions: Now talk about what methods you used to collect the information required. Compare your methods with your partner's and think about which methods are more efficient. Finish the exercises in Learning English. 22 Unit 5-2 FLTRP 英语选择性必修第一册 2019 Other 216072.05 22 Unit 5-2 FLTRP 英语选择性必修第一册 2019 Other 216072.05 $$