Unit 4 Period 4 Section B（1a-2c）-【金牌导学案】2025-2026学年八年级下册英语课时作业课件（人教版·新教材）

该初中英语课件围绕“自然奇观”主题，聚焦Unit 4 Section B（1a-2c），通过词汇填空、句型转换等基础练习巩固risk, survive等核心词汇及Only if倒装句等结构，为后续维多利亚瀑布、亚马逊雨林的阅读分析搭建语言支架，衔接前后知识脉络。 其亮点在于融合语言能力与文化意识，通过维多利亚瀑布阅读理解培养细节提取与推理能力，结合亚马逊雨林问题引导关注环境议题，渗透人类命运共同体意识。重点知识积累环节助力学生主动归纳短语，提升学习能力，教师使用可高效落实语言技能与素养目标，促进学生综合能力发展。

Period 4 Section B（1a-2c） 金牌导学案 Unit 4 The Wonders of Nature 1 一、根据句意及首字母或汉语提示填空。 1. The climber __________ his life to climb the dangerous mountain. 2. Scientists are _________ the ocean to find new species. 3. Only a few people _________ （幸存） the terrible accident. 4. The old bridge is in a bad _________ （状况）. 5. The _________ （野心；雄心） of the climbers was to reach the top of the mountain before sunrise. risks/isked exploring survived condition ambition Period 4 Section B（1a-2c） 2 二、用方框中所给单词的适当形式填空。 nature measurement attract wonder type 1. This _____ of plant only grows in tropical rainforests. 2. The beautiful scenery _______ many tourists every year. 3. They used a ruler to ________ the length of the desk. 4. The Grand Canyon is one of the _______ wonders of the world. 5. The Great Wall is a ________ that people all over the world admire. type attracts measure natural wonder Period 4 Section B（1a-2c） 3 三、根据汉语意思完成句子。 1. 只有共同努力，我们才能解决环境污染问题。 ______ ___ we work together can we solve the problem of environmental pollution. Only if 2. 他冒着生命危险去救那只被困的小猫。 He _______ ____ ____ to save the trapped kitten. 3. 正如一句老话所说：“熟能生巧”。 ____ an old saying _____ ___, “Practice makes perfect.” risked his life As puts it Period 4 Section B（1a-2c） 4 4. 很多动物无法在极端寒冷的环境中生存。 Many animals cannot ________ ___ extremely cold environments. 5. 我们要应对气候变化带来的挑战。 We must _____ _____ the challenges brought by climate change. survive in deal with Period 4 Section B（1a-2c） 5 四、阅读理解。 The Victoria Falls, known locally as “Mosi-oa-Tunya” （The Smoke That Thunders）, is one of the most spectacular waterfalls in the world. It is located on the Zambezi River, which forms the border between Zambia and Zimbabwe. The falls are about 1.7 kilometres wide and 108 metres high, creating the world's largest sheet of falling water. When the Zambezi River is at its peak flow, the sight and sound of Period 4 Section B（1a-2c） 6 the water plunging into the gorge（峡谷） are overwhelming（巨大的）.The resulting spray and mist rise high into the air and can be seen from many kilometres away, often creating beautiful rainbows. ▲ Visitors can experience the falls from various viewpoints, take a boat ride to the calm upstream islands, or even swim in the famous Devil's Pool on the very edge of the cataract（大瀑布） during the dry season. The nearby national parks are home to a diverse range of wildlife, including elephants, lions, and zebras. This combination of immense（巨大的） natural power, breathtaking beauty, and rich wildlife makes Victoria Falls a truly unforgettable place.#2 Period 4 Section B（1a-2c） ( )1. According to the passage, what does “Mosi-oa-Tunya” mean? B A.The Falling Water. B.The Smoke That Thunders. C.The Great Rainbow. D.The Big River. Period 4 Section B（1a-2c） 8 ( )2. Which of the following can be put in “▲” in Paragraph 2? B A.The Zambezi River is an important transportation route for local cargo ships. B.The area surrounding the falls is a major tourist destination. C.Many rare freshwater fish only live in the deep seas of the Indian Ocean nearby. D.Most local residents make a living by planting cash crops like coffee and cotton. Period 4 Section B（1a-2c） 9 ( )3. What can we infer about the Devil's Pool? C A.It is a safe place to swim all year round. B.It is located at the bottom of the waterfall. C.It offers a very exciting and unique experience. D.It is only accessible to local people. ( )4. Which of the following is NOT mentioned as a way to experience the falls? D A.Taking a boat ride. B.Swimming in Devil's Pool. C.Viewing from lookout points. D.Going white-water rafting. Period 4 Section B（1a-2c） 10 ( )5. What is the main idea of the passage? C A.The political border between Zambia and Zimbabwe. B.The unique wildlife found in African national parks. C.The impressive features and attractions of Victoria Falls. D.The best activities for tourists during the dry season. Period 4 Section B（1a-2c） 11 重点知识积累（补全短语） 1. as its _____ 处于高峰期 2. _______ into冲入；跌入 3. _____ into升入 4. a ______ of一系列的 peak plunge rise range Period 4 Section B（1a-2c） 12 五、回答问题。 The Amazon Rainforest is the largest rainforest in the world. It covers most of the Amazon Basin in South America. The rainforest is home to millions of different kinds of plants and animals. There are thousands of tree species, many of which are used for medicine. Also, there are many rare animals like jaguars, sloths and colourful birds living there. The Amazon Rainforest is often called “the lungs of the Earth” because it produces about 20% of the world's oxygen. Period 4 Section B（1a-2c） 13 However, the rainforest is facing many problems now. People cut down trees to make space for farms and cities, which destroys the homes of many animals. Also, the climate change affects the rainforest's ecosystem. Many environmental groups are working hard to protect the Amazon Rainforest.#1 Period 4 Section B（1a-2c） 1. Where is the Amazon Rainforest located? ________________________________________________ 2. What kinds of animals live in the Amazon Rainforest? ________________________________________________________ 3. Why is the Amazon Rainforest called “the lungs of the Earth”? _________________________________________________ It is located in the Amazon Basin in South America. Rare animals like jaguars, sloths and colourful birds live there. Because it produces about 20% of the world's oxygen. Period 4 Section B（1a-2c） 15 4. What problems is the Amazon Rainforest facing? _________________________________________________________________________________________ People cut down trees to make space for farms and cities, and climate change affects its ecosystem. 5. What are environmental groups doing to protect the Amazon Rainforest? ____________________________________________________ They are working hard to protect the Amazon Rainforest. Period 4 Section B（1a-2c） 16 重点知识积累（汉译英） 1. 大部分 ________ 2. 上百万 ___________ 3. 被用来 ____________ 4. 砍倒 __________ most of millions of be used for cut down Period 4 Section B（1a-2c） 17 感谢聆听 18 $