Unit1 Our living planet Period 1 Welcome to the unit & Reading(1)导学稿 -2025-2026学年高中英语译林版选修第一册

Unit 1　Our living planet 学习目标 1. Have a good understanding of the text “The ocean deep”； 2. Know what can be explored beneath the ocean. 活动方案 Ⅰ. Choose the best answers to the following questions according to the text. (　　) 1. What can be found at the bottom of the ocean? A. Exciting new life forms. B. Shrimps and other organisms. C. Incredible geological formations. D. All the above. (　　) 2. What percentage of the world's oceans have we explored? A. About 20 per cent. B. About 50 per cent. C. About 80 per cent. D. About 60 per cent. (　　) 3. What can be found at a depth of more than 1，000 metres in the ocean? A. No light and temperatures drop just above freezing. B. The smallest pressures. C. Hunters with upward­pointing eyes. D. Dolphins and shrimps. (　　) 4. Why do blind organisms in the deep ocean have to depend on other senses? A. Because their eyesight is harmed by fishing people. B. Because they want to obtain food and avoid being caught. C. Because they need mates to increase the chances of reproduction. D. Because they live in volcanically active areas. (　　) 5. Which of the following statements is TRUE according to the text? A. All life on the Earth obtains its energy from the sun. B. The Mariana Trench is located in the southern part of the Pacific Ocean. C. Below 200 metres in the ocean, there is little sunlight and some unknown plant life. D. The fish in the deep ocean are among the strangest creatures on the Earth. Ⅱ. Answer the following questions according to the text. 1. Where does most visible light exist in the ocean? 2. How do the blind organisms in the deep ocean obtain food? 3. Where can life forms obtain nutrients and energy? Activity 2: Read between the lines. 1. Why are the fish in the deep ocean among the strangest creatures on the Earth? 2. Do you think the world beneath the surface of the ocean is fascinating? Why? 3. What is ocean exploration about? Activity 3: Read beyond the lines. 1. With so much of the oceans left to explore, what would you like to do in the future? 2. What advantages does it have to explore the ocean? Activity 4: Consolidate and feed back. Ⅰ. Fill in appropriate words in the following sentences. 1. My profession had an important influence on the _________(form) of my character and temperament. 2. It _________(estimate) that the building will be completed in ten months. 3. Our _________(geology) explorers have left their footprints in every corner of the country. 4. The new reserve, now the largest in _________ Pacific, will permit no fishing or mining. 5. The _________(reproduce) of the cells can be suppressed by bombarding them with radiation. 6. She stationed _________(she) at the window to await his return. 7. Congratulate yourself on the small achievements that will pave the way towards a _________(large) one. 8. She was motivated _________(sole) by self­interest. 9. They use puppets _________(capture) the imagination of younger audiences. 10. All drinking water must _________(filter). Ⅱ. Fill in the blanks according to the text. We look upwards and wonder what lies 1._________ our planet. We send probes into the vastness of space to explore the unknown. We build space stations 2._________(advance) our understanding of the universe. Our curiosity about outer space has remained 3._________(shake). Meanwhile, it is estimated that more than eighty per cent of the world's oceans are 4._________(explore). So, if we want to find exciting new life forms as well as undiscovered and unusual 5._________(geology) formations, the ocean is where we should also be looking. Then why don't we dive to the bottom of a really deep ocean and take a long, close look 6._________ the waves? The first 200 metres of our dive takes us through what can be called the open ocean, where most visible light 7._________(exist). Once past 1，000 metres, we have reached the deep ocean, where there is no light and temperatures drop just above 8._________(freeze). The pressures are huge and can be more than 100 times the pressure of the Earth's atmosphere. On reaching the ocean floor, we may see shrimps and other 9._________(organism) around hydrothermal vents. On our journey down, we have been fascinated by incredible geological formations as well as unexpected life forms that have become strangely 10._________(adapt) to their extreme environment. With so much of the oceans left to explore, who knows what wonders still await us in the future? Ⅲ. Complete the sentences below. 1. 我们同样感谢每一位队员。 Our thanks are due ___________________________________ every member of the team. 2. 火灾造成的损失太严重，这个商店不得不停业。 The fire was so damaging that the store __________________________________ its doors. 3. 昨天的会议为后面的任务奠定了基础。 Yesterday's meeting was __________________________________ for the task ahead. 4. 该协议将为两国间的持久和平铺平道路。 This agreement ______________________________________________ a lasting peace between the two countries. 5. 我坚信我们将不遗余力地实现我们的目标。 I firmly believe we ______________________________________________ our goal. 6. 很显然，他们所记录的很多内容绝非事实。 It was obvious that much of what they recorded ___________________________ ________________________. Activity 5: Warm­up for the next period. Preview the new words and find the English expressions of the following Chinese in the text. 1. 探索未知　　　　　　　　　 2. 不寻常的地质构造 3. 潜到海底 4. 保持无法动摇 5. 提高繁殖的可能性 6. 阻止它们逃跑 7. 生活在这种极端的环境中 8. 仅仅依靠…… 9. 一点也不无聊 10. 避免被捕获 Activity 1： Ⅰ. 1—5 DAABD Ⅱ. 1. Most visible light exists in the first 200 metres of the ocean. 2. They depend on other senses such as smell and their ability to detect slight changes in water pressure. 3. Life forms can obtain nutrients and energy from the sun and thermal sources. Activity 2： 1. Because some fish have evolved fascinating survival characteristics. For example, some fish have both male and female organs to increase the chances of reproduction, as fish are so scarce at these depths that it can be difficult for them to find a mate. 2. Yes. Because there are so many incredible geological formations as well as unexpected life forms that have become strangely adapted to their extreme environment. 3. Ocean exploration is about making discoveries, searching for things that are unusual and unexpected. Through ocean exploration, we collect data and information needed to address both current and emerging science and management needs. Activity 3： 1. The world beneath the surface of the ocean is such an amazing place that there is much to be explored, which fascinates many of us. So I think what's the most important is that we need to study to enrich our knowledge and be determined to engage in ocean exploration to serve all mankind in the future. 2. The exploration helps to ensure that ocean resources are not just managed, but managed in a sustainable way, so those resources are around for future generations to enjoy. Unlocking the mysteries of ocean ecosystems can reveal new sources for medical therapies and vaccines, food, energy, and more as well as inspire inventions that mimic adaptations of deep­sea animals. Information from ocean exploration can help us understand how we are affecting and being affected by changes in the Earth's environment. Insights from ocean exploration can help us better understand and respond to earthquakes, tsunamis, and other hazards. All in all, exploration is the key to increasing our understanding of the ocean, so we can more effectively manage, conserve, regulate, and use ocean resources that are vital to our economy and to all of our lives. Activity 4： Ⅰ. 1. formation　2. is estimated　3. geological 4. the　5. reproduction　6. herself 7. larger　8. solely　9. to capture 10. be filtered Ⅱ. 1. beyond　2. to advance　3. unshakeable　4. unexplored　5. geological　6. beneath　7. exists　8. freezing　9. organisms　10. adapted Ⅲ. 1. in equal measure to　2. had to close　3. to lay the foundation　4. will pave the way for　5. will spare no effort to achieve　6. was far from the truth Activity 5： 1. explore the unknown　2. unusual geological formations　3. dive to the bottom of an ocean 4. remain unshakeable　5. increase the chances of reproduction　6. prevent them from getting away 7. live in this extreme environment　8. rely solely on …　9. be far from boring　10. avoid being caught 学科网（北京）股份有限公司 $