阅读理解提升篇话题7 科学与环境-【小尚同学】2024版高考英语真题分类全刷

! "2 #$%& '() C. Add some background information. D. Introduce a new topic for discussion. 4. What can be a suitable title for the text? A. Keeping Fit by Eating Smart B. Balancing Our Daily Diet C. Making Yourself a Perfect Chef D. Cooking Well for Less 话题 7　 科学与环境 !"　 　 　 P67 Passage 1[2023·新课标卷Ⅰ,24—27T,10 分,★★☆☆☆] 体裁 主题 词数 记叙文 生态机器 约 340 词 　 　 When John Todd was a child, he loved to explore the woods around his house, observing how nature solved problems. A dirty stream, for example, often became clear after flowing through plants and along rocks where tiny creatures lived. When he got older, John started to wonder if this process could be used to clean up the messes people were making. After studying agriculture, medicine, and fisheries in college, John went back to observing nature and asking questions. Why can certain plants trap harmful bacteria(细菌)? Which kinds of fish can eat cancer-causing chemicals? With the right combination of animals and plants, he figured, maybe he could clean up waste the way nature did. He decided to build what he would later call an eco-machine. The task John set for himself was to remove harmful substances from some sludge (污泥) . First, he constructed a series of clear fiberglass tanks connected to each other. Then he went around to local ponds and streams and brought back some plants and animals. He placed them in the tanks and waited. Little by little, these different kinds of life got used to one another and formed their own ecosystem. After a few weeks, John adde