Unit 4 The Wonders of Nature学案-2025-2026学年人教版八年级英语下册

Unit 4 The Wonders of Nature 第一课时 Section A 学习目标 (1) 能认读并运用“自然奇观、景观描述”相关核心词汇（nature, wonder, mountain, river, waterfall, cave, ocean, forest, beautiful, amazing, huge, deep, see, visit, take a trip等），掌握动词及短语的基本用法和固定搭配。 (2) 能熟练运用一般现在时、一般过去时描述自然奇观的特征和参观经历，掌握核心句型（There are many natural wonders in the world. / I visited a waterfall last summer. / It is an amazing mountain. / What do you think of the cave?）。 (3) 能听懂关于自然奇观、参观经历的简短对话和听力材料，准确提取景观名称、特征、参观感受等信息，用核心句型回应他人关于自然奇观的询问。 教学重难点 重点：掌握自然类核心词汇及固定搭配（natural wonder, take a trip, visit a place, look at, be famous for）；运用一般现在时、一般过去时描述自然奇观特征与参观经历，牢记自然景观描述及参观交流的常用表达。 难点：正确区分描述性形容词（amazing, huge, deep, beautiful）的用法差异及语境搭配；灵活运用时态，准确描述自然奇观的客观特征与过往参观经历，避免时态混淆；掌握there be句型与一般过去时的结合运用。 一、预习导入（ABC） 根据汉语提示，写出对应的英文短语/句子，尝试朗读并注意词性和句型结构 (1) 自然 __________ (2) 奇观 __________ (3) 山脉 __________ (4) 瀑布 __________ (5) 令人惊叹的 __________ (6) 自然奇观 __________ (7) 去旅行 __________ (8) 世界上有许多自然奇观。 __________ (9) 去年暑假我参观了一个洞穴。 __________ (10) 它是一个非常壮观的瀑布。 __________ 二、课堂导学 (1) Finish 1a：匹配自然奇观的图片与对应的英文名称，圈出核心词汇，标注描述性形容词（amazing, huge, deep）的用法差异及语境搭配。 (2) Listen to 1b：听录音，勾选听到的自然奇观名称和描述性词汇，核对答案后跟读录音，注意时态的发音和语调。 (3) Pair work 1c：结合1a内容，用句型—What natural wonders do you know? —I know... / —Did you visit any natural wonders last year? —Yes, I did. / No, I didn’t. / —What do you think of the mountain? —It is huge and amazing.结对对话，每组创编3组新对话。 (4) Pronunciation practice：重点练习nature, wonder, waterfall, amazing, huge等词的重音位置，体会不同时态描述自然景观和参观经历时的语气差异。 (5) Listen to 2a&2b：听录音，完成关于“自然奇观参观经历、景观特征”的信息填空，梳理对话中的时态用法和核心句型，小组内核对并分享答案。 (6) Role-play 2c：模仿2a&2b对话，结合自然奇观参观场景，替换词汇创编角色对话，上台展示（如：参观森林、海洋，描述其特征等）。 三、课堂练习（ABC）单项选择 ( )1. There are many amazing ______ in the world. A. nature wonder B. natural wonders C. natural wonder ( )2. He ______ a beautiful forest with his family last weekend. A. visit B. visited C. will visit ( )3. —What do you think of the river? —It is very ______ and clear. A. deep B. amazing C. huge ( )4. We plan to ______ a trip to the mountains this summer holiday. A. take B. make C. do ( )5. —______ you see a waterfall last year? —No, I didn’t. A. Do B. Did C. Will 四、小结反思（AB）核心词汇与句型运用 用所给单词的适当形式填空，体会时态及核心词汇的用法 Nature is beautiful and there are many natural ______ (wonder) around us. My family and I often ______ (take) a trip to enjoy nature. Last year, we ______ (visit) a huge cave. It was very dark and ______ (deep). I ______ (think) it was the most amazing place I had ever seen. I hope we ______ (can) visit more natural wonders next year. 五、课后练习（A）六选五 根据短文内容，从方框中选择合适的选项补全短文，有一项多余 The Wonders of Nature are amazing and wonderful. They show the beauty of our world and attract people from all over the world. 1 ______ Here are some famous natural wonders you can visit. First, the Niagara Falls is a famous waterfall in North America. 2______ It is huge and powerful, and you can hear the sound of the water from far away. Second, the Grand Canyon is a deep valley in the USA. 3 ______ It has beautiful colors and amazing shapes. Third, the Amazon Rainforest is the largest forest in the world. 4 ______ There are many kinds of plants and animals there. Finally, Mount Qomolangma is the highest mountain in the world. 5 ______ It is covered with snow all year round and looks very beautiful. A. It is famous for its depth and beauty. B. Many people come to visit it every year. C. It is a good idea to visit natural wonders in our free time. D. We should protect natural wonders and keep them beautiful. E. It has a lot of rain and is home to thousands of living things. F. It is between the USA and Canada. 第二课时 Section B 学习目标 (1) 能认读并运用拓展词汇（valley, canyon, lake, stream, stone, shape, color, appear, disappear, protect, powerful, attractive, be covered with等），掌握自然奇观细节描述、保护相关短语表达。 (2) 能熟练运用情态动词（should, can）表建议和能力，谈论自然奇观的保护和参观建议，以及不定式作目的状语，表达参观和保护的目的；巩固宾语从句的运用，表达对自然奇观的看法。 (3) 能阅读关于著名自然奇观的短文，提取核心信息（景观位置、特征、保护措施），提升阅读能力，学会描述自然奇观的细节，树立保护自然的意识。 教学重难点 重点：掌握自然奇观细节描述、保护类拓展短语；运用情态动词should/can提出参观和保护建议，结合不定式作目的状语表达目的；牢记be covered with, be famous for, protect...from..., take care of等固定搭配。 难点：正确运用不定式作目的状语（to do），区分其与不定式作宾语的用法差异；结合语境，用情态动词建议句型和不定式，完整表达自然奇观的参观建议和保护目的；准确区分appear（出现）与disappear（消失）、powerful与attractive的用法，避免语境误用。 一、预习导入（ABC） 根据汉语提示，写出对应的英文短语，尝试用短语造简单句子（结合建议句型或不定式作目的状语） (1) 峡谷 __________ (2) 湖泊 __________ (3) 形状 __________ (4) 保护 __________ (5) 被……覆盖 __________ (6) 强大的 __________ (7) 有吸引力的 __________ (8) 我们应该保护自然奇观。 __________ (9) 这座山全年被雪覆盖。 __________ (10) 我们去参观峡谷是为了欣赏它的美景。 __________ 二、课堂导学 (1) Work on 1a：将所给自然奇观细节描述、保护相关词汇（canyon, lake, protect, be covered with等）与对应的内容匹配，小组讨论补充更多相关词汇，说说appear与disappear、powerful与attractive的用法差异及语境运用。 (2) Talk in 1b：用句型—We should/can... to protect natural wonders. / —We can visit the lake to... / —I think that the canyon is the most attractive natural wonder.谈论自然奇观的保护和参观建议，同桌互评表达是否准确、句型运用是否正确。 (3) Read 1c-2b：阅读短文（著名自然奇观介绍），圈出文中的重点短语和核心句型，回答问题：①Where is the natural wonder located? ②What are its main features? ③What should we do to protect it? (4) Finish 2c&2d：根据短文内容，完成信息填空和句子改写，梳理情态动词should/can表建议和能力、不定式作目的状语的用法，结合例句总结两种语法结构的运用规则。 (5) Language points：讲解不定式作目的状语（to do）的用法、be covered with / protect...from... / take care of 的固定搭配，结合例句完成句型转换练习，巩固语法知识点。 (6) Group discussion：4人一组，讨论“What is your favorite natural wonder? Why? What should we do to protect it?”，结合所学知识分享看法和保护建议，每组推选代表发言。 三、课堂练习（ABC）单项选择 ( )1. We ______ protect natural wonders. They are important to our world. A. should B. shouldn’t C. needn’t ( )2. Mount Qomolangma ______ with snow all year round. A. covers B. is covered C. covering ( )3. They went to the canyon ______ its amazing shapes and colors. A. to enjoy B. enjoy C. enjoying ( )4. The Niagara Falls is very ______. Its water flow is strong and loud. A. attractive B. powerful C. deep ( )5. —What can we do to protect natural wonders? —We can ______ them from pollution. A. protect B. take C. make 四、小结反思（AB） (1).情态动词与不定式（用should/can或括号内单词的适当形式填空） 1.We ______ (protect) natural wonders to keep our world beautiful. 2.They went to the lake ______ (look) at the clear water. 3.We ______ (visit) the Grand Canyon next year. It is very attractive. (2).短语与句型运用（用括号内短语的适当形式填空） 1.The mountain ______ (be covered with) snow in winter. 2.We should ______ (protect...from...) natural wonders from pollution. 3.The canyon is famous for its amazing ______ (shape) and beautiful colors. 五、课后练习（A）任务型阅读 阅读下面短文，根据短文内容回答问题 One of the most amazing natural wonders in the world is the Great Barrier Reef in Australia. It is the largest coral reef system on Earth and is located in the Coral Sea near Australia. The Great Barrier Reef is famous for its colorful corals and various kinds of marine animals. There are more than 1,500 kinds of fish and 600 kinds of corals there. The water is clear and blue, and you can see the beautiful corals and fish under the water easily. It is covered with corals, which make it look like a colorful underwater garden. However, the Great Barrier Reef is in danger because of pollution and climate change. We should protect it. We can stop throwing rubbish into the sea and reduce pollution. We can also tell more people about the importance of protecting the Great Barrier Reef. Only in this way can we keep this amazing natural wonder beautiful forever. (1) Where is the Great Barrier Reef located? (2) What is the Great Barrier Reef famous for? (3) How many kinds of fish are there in the Great Barrier Reef? (4) Why is the Great Barrier Reef in danger? (5) What can we do to protect the Great Barrier Reef? 参考答案 第一课时 Section A 一、预习导入（ABC） (1) nature (2) wonder (3) mountain (4) waterfall (5) amazing (6) natural wonder (7) take a trip (8) There are many natural wonders in the world. (9) I visited a cave last summer holiday. (10) It is a very amazing waterfall. 三、课堂练习（ABC）单项选择 1. B 2. B 3. A 4. A 5. B 四、小结反思（AB） wonders; take; visited; deep; thought; can 五、课后练习（A）六选五 1. C 2. F 3. A 4. E 5. B 第二课时 Section B 一、预习导入（ABC） (1) canyon (2) lake (3) shape (4) protect (5) be covered with (6) powerful (7) attractive (8) We should protect natural wonders. (9) The mountain is covered with snow all year round. (10) We went to visit the canyon to enjoy its beautiful scenery. 三、课堂练习（ABC）单项选择 1. A 2. B 3. A 4. B 5. A 四、小结反思（AB） (1).情态动词与不定式 1.should protect 2.to look 3.can visit (2).短语与句型运用 1.is covered with 2.protect 3.shapes 五、课后练习（A）任务型阅读 (1) It is located in the Coral Sea near Australia. (2) It is famous for its colorful corals and various kinds of marine animals. (3) There are more than 1,500 kinds of fish. (4) Because of pollution and climate change. (5) We can stop throwing rubbish into the sea, reduce pollution and tell more people about the importance of protecting it. 学科网（北京）股份有限公司 $