Unit4 The Earth单元话题写作指导沪教版（2024）英语七年级上册

Unit 4 单元话题写作指导 2025-2026学年沪教版英语七年级上册 【单元话题分析】 本单元话题围绕“地球与环境保护”展开，核心是运用一般现在时描述地球的特征（如表面构成、生态资源）与当前环境问题（如塑料污染、过度捕鱼），结合there be句型介绍地球资源分布，用情态动词（must/should/can） 提出具体的环保行动建议。写作需兼顾“事实陈述—问题分析—行动呼吁”，通过具体案例（如塞罕坝治沙、红树林保护）体现环保的重要性，传递“守护地球”的责任意识。 【单元写作指导】 话题词汇必备 【单词】 Earth 地球 sea 海洋 desert 沙漠 forest 森林 pollution 污染 protect 保护 recycle 回收 species 物种 ecosystem 生态系统 resource 资源 clean 清洁的 dangerous 危险的 precious 珍贵的 responsible 有责任的 【短语】 solar system 太阳系 70% of the Earth 地球的70% be covered by 被……覆盖 plastic pollution 塑料污染 clean up the beach 清理海滩 national nature reserve 国家级自然保护区 provide food and water 提供食物和水 stop polluting rivers 停止污染河流 sea animals in danger 濒危海洋动物 take care of the Earth 爱护地球 reduce waste 减少浪费 support life 维系生命 话题句子必备 The Earth is our home—about 70% of its surface is covered by sea, which provides food for many animals. 地球是我们的家园———其表面约70%被海洋覆盖，为许多动物提供食物。 There are many beautiful forests on Earth, but some are being cut down, making animals lose their homes. 地球上有许多美丽的森林，但有些正在被砍伐，导致动物失去家园。 Plastic pollution is harmful to sea animals—we should use fewer plastic bags and recycle plastic bottles. 塑料污染对海洋动物有害———我们应该少用塑料袋，回收塑料瓶。 We must clean up the beach when we see rubbish there, because even small waste can hurt sea birds and fish. 看到海滩上有垃圾时，我们必须清理，因为即使是小小的废弃物也会伤害海鸟和鱼类。 Zhanjiang Mangrove National Nature Reserve is important—it protects the coast and provides a home for many rare birds. 湛江红树林国家级自然保护区很重要———它保护海岸，为许多珍稀鸟类提供栖息地。 Last month, our class went to the park to pick up rubbish—we learned that small actions can help protect the Earth. 上个月，我们班去公园捡垃圾———我们明白了小小的行动也能帮助保护地球。 【话题范文必背】 Protect Our Precious Earth The Earth is the only planet in the solar system that can support life—it gives us fresh air, clean water and delicious food. But now, our Earth is in danger because of human activities. I saw a sad video last week: a turtle was hurt by a plastic ring around its neck, and many fish died because of polluted river water. Also, some deserts are getting bigger because people cut down too many trees. For example, the Maowusu Desert used to be very large, but workers planted millions of trees there, turning part of it into a green forest. This shows that we can change the bad situation if we try. What can we do to protect the Earth First, we can use reusable cups instead of plastic ones. Second, we can plant small trees in our community. Third, we can tell our family and friends to stop throwing rubbish into rivers. The Earth is precio ... ...