Unit 1 Section Ⅰ（Word教参）-【优化指导】2024-2025学年新教材高中英语必修第三册（译林版2020）

Section Ⅰ　Welcome to the unit and Reading—Preview [对应学生用书P2] [清障单词] 1．continent n. 大陆，陆地，洲 2．ecosystem n. 生态系统 3．biodiversity n. 生物多样性 4．variety n. 不同种类；变化，多样性；变种，变体 5．living adj. 活着的，活的；在使用的 n. 生计，谋生；生活方式 6．nutrient n. 营养素，营养物 7．agriculture n. 农业，农学 8．impact n. 影响，作用；撞击，冲撞 vi. & vt. 有影响；冲击 9．damage vt.& n. 损害，伤害；损坏，破坏 [清障短语] 1．millions of 数百万的 2．in turn 相应地，转而 3．break down 使分解(为)，使变化(成) 4．breathe life into 给……带来起色，注入活力 5．due to 由于，因为 Step 1　Read for the structure Step 2　Careful reading Read the passage carefully and choose the best answers. 1．What's the main idea of the passage? A．The Amazon rainforest is the largest rainforest in the world. B．The Amazon rainforest gives the richest biodiversity on the earth. C．The Amazon rainforest is a natural treasure house on the earth. D．The Amazon rainforest is known as the “lungs of the planet”． 2．Why is the Amazon rainforest very important to the Earth? A．It is the largest rainforest in the world. B．It helps maintain the fine balance of the Earth's ecosystem. C．It is home to a variety of plants and animals. D．It breathes life into the planet by fixing carbon. 3．What helps break down a jaguar's body after its death? A．A large number of microorganisms. B．The nutrients of the Earth. C．A variety of insects. D．A kind of frog. 4．Which is one major danger to species in the Amazon rainforest? A．Agriculture. B．Cattle farming. C．Human activities. D．Carbon and oxygen. 5．What's the style of the passage? A．Advertisement. B．Travel journal. C．Experiment report. D．Documentary script. 答案　1～5　CBACD Step 3　Post reading Fill in the blanks according to the passage or the given words. As the 1.largest(large) rainforest in the world, the Amazon rainforest plays an important part 2.in maintaining the balance of the Earth's ecosystem. The Amazon River, from 3.which the rainforest gets its name, supports many different ecosystems，4.giving (give) this area the richest biodiversity on the Earth. From the tall and ancient brazil nut trees to the water lilies, the forest's different levels provide food and shelter for 5.a great variety of wildlife. The Amazon rainforest is also home to more than 1，300 species of birds and over 400 species of mammals. For example, the jaguar, close to extinction in other areas, can 6.be founded (find) here. 7．Known (know) as the “ lungs of the planet” , the Amazon rainforest 8.breathes (breathe) life into the planet by fixing carbon and producing over 20 per cent of all the Earth's oxygen. 9.However, about 17 per cent of the rainforest has disappeared due to human 10.activities (activity) such as agriculture and cattle farming. 学科网（北京）股份有限公司 $$