Unit 3 Sea Exploration Learning About Language 教学设计-2023-2024学年高中英语人教版（2019）选择性必修第四册

Unit3 Learning About Language (2) Review useful structures 主题语境：人与自然 主题群：宇宙探索 子主题：海洋探索 语篇类型：童话 文本分析：本节语言学习课重点复习动词不定式的用法，学习活动分三个：活动1是整理归纳动词不定式的不同用法；活动2是运用动词不定式合成句子，在分析与运用中加深对动词不定式用法的理解；活动3是在改编自安徒生童话《海的女儿》的语篇语境中综合运用语法知识，通过分析、对比和判断动词-ing形式、动词-ed形式和动词不定式的不同语用功能，填写正确的动词形式，最后展开想象续写故事，延伸对海洋主题的探索。 学完本课后，学生能够： 1．归纳整理动词不定式的不同用法，并在不同的语篇语境中正确使用动词不定式。 2．通过童话故事体会人类自古以来对海洋的向往与想象，激发自身想象力并衔接得当地续写童话故事。 点难点 重点：掌握动词不定式作主语、宾语、表语、补语、定语和状语的用法。 难点：续写改编自安徒生童话《海的女儿》的语篇。 教学准备 教师准备 与动词不定式、动词-ing形式、动词-ed形式相关的练习。 学生准备 1．预习并归纳整理动词不定式的用法。 2．熟悉童话故事的结构特点和文体特点。 精彩课堂 Step I 学习理解 活动一：感知与注意 Ask students to find all the sentences containing infinitives in the reading passage and mark their functions.(Activity 1) Suggested answers: ·To complete the great map of the world was a strong passion...(S) ·Marco Polo's tales inspired European explorers to search for sea routes from west to east.(OC) ·Here, merchants from China and many other places met to negotiate trade deals...(Ad) ·To reach out across the sea remains a strong desire today. (S) ·The aim of this initiative is to encourage cooperation and trade... (P) ·Trading has grown greatly...and will continue to do so in years to come.(O;Attr) ·...which will help to greatly develop the whole area for the benefit of future trade and cultural exchange.(O) ·...there are still many other places left to explore.(Attr) ·...China has joined other nations on several expeditions to explore the Arctic.(Attr) ·...there is an urgent need to study the Arctic in order to understand climate change and its effects.(Attr;Ad) ·...the need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future.(Attr;Attr;OC) 【设计意图】基于阅读语篇，在句子语境中体会动词不定式的不同语法功能，回顾动词不定式的用法，为后续练习等活动搭建框架。 活动二：获取与梳理 1. Ask students to join the words to make sentences using infinitives and decide the function of each infinitive. (Activity 2) Suggested answers: ①He encouraged me to participate in the surfing competition.(OC) ②The storm seems to be getting closer.(P) ③Magellan was the first person to sail around the world. (Attr) ④The UN peacekeeping force aims to maintain peace and prevent armed conflicts. (O) ⑤The crowd stood to applaud scientists for their important ocean research work.(Ad) ⑥It is a good idea to tax plastic bottles so that people use them less.(S) ⑦The Jiaolong manned submersible is said to be able to reach 7 km underwater.(SC) ⑧It remains to be seen whether or not his capsule can work.(P) 2. Ask students to complete the passage with the correct forms of the words in brackets. To live is ① (learn). I love China and I'm happy ② (see)China developing so fast.③ (study) Chinese well, I went to China last year. Guns are forbidden ④ (hold) by people, making gunshot cases rarely seen. Compared to many other countries, it is safer ⑤ (walk) in the street at night in China as there are monitors almost everywhere and the police are always the first ⑥ (show) up to protect you. I advise you ⑦ (visit) the great country ⑧ (feel) its charm one day. 【设计意图】学生首先运用动词不定式的语法知识，把零散的单词和语块组合成句子，标明动词不定式在句子中的功能；然后通过语篇练习，进一步提升在语境中运用动词不定式的能力。 活动三：概括与整合 Ask students to draw a mind map to summarise the functions of the infinitive. 【设计意图】使用思维导图归纳、总结动词不定式的语法功能。 Step II 应用实践 活动四：内化与运用 1. Ask students to tell the function of the infinitive in each sentence and translate the sentences into Chinese. 2. Ask students to complete the sentences below with the appropriate forms of the verbs in brackets.①This expresses the desire of the Arab people(seek) knowledge from China. ②The “Asian Games International Class" was specially set up for foreign friends living in Zhejiang (welcome) the 19th Asian Games. ③It is agreed that hanzi began as simple pictures, images that the ancient Chinese people drew,painted,and carved (describe) nature and their lives. ④However,more significantly, the player has scored nine goals in World Cups,becoming the first player (reach) that mark before his 24th birthday. ⑤ (preserve) the ancient tea trees, Yunnan Province has passed a protection regulation recently, clarifying that wild and cultivated tea plants aged over 100 years should be better protected in the province. Suggested answers: ①to seek ②to welcome ③to describe ④to reach⑤To preserve 3. Ask students to complete the news report below with the appropriate forms of the verbs in brackets, and then have them answer the question. ·What else do you know about Jiaolong? Named after a mythical dragon, Jiaolong is China's first manned deep-sea research submersible. It was developed by Chinese designers ① (start)from 2002 and entered service in 2010,② (make) China the fifth country in the world with deep-sea exploration technology. In 2017,during a 138-day expedition that ③ (start) in February,the submersible's mother ship, Xiangyanghong 09 sailed nearly 34,000 km into the South China Sea, the northwestern Indian Ocean, and the northwestern Pacific Ocean. Jiaolong conducted 30 dives ④ (make) scientific investigations and ⑤ (collect) samples. The submersible made five dives in the Mariana Trench and the Yap Trench, both in the western Pacific Ocean. These operations have enabled scientists ⑥ (better understand)geographical and biological conditions deep under the oceans. Afterwards,Jiaolong underwent maintenance before ⑦ (start)its next adventure. In 2019, Jiaolong had a new mother ship, which ⑧ (name) Deep Sea No. 1. Their grand mnission was intended ⑨ (strengthen)China's capacity in ⑩ (survey) deep-sea environments and would increase the nation's influence in this field. 4. Ask students to evaluate their work after they finish the exercises above. 题目编号 I did well on these exercises. After checking the answers, I can figure out these exercises. With the help of my partners or the teacher, I can clearly work out these exercises. I still can't understand these exercises. I need to...after class. 【设计意图】学生主动参与语言实践活动，先独立完成练习任务，后自主核对答案，再进行自我评价，培养自主学习能力，形成良好的学习习惯和培养有效的英语学习策略。 Step III 迁移创新 活动五：批判与评价 1. Ask students to read the news report again and fill in the blanks. Jiaolong,a Deep-sea Submersible Brief Introduction ·China's ① manned deep-sea research submersible ·China became the ② country in the world with deep-sea exploration technology ·Started from ③ and entered service in ④ Missions and Results ·In 2017,conducted ⑤ dives to ⑥ and to ⑦ ·Made ⑧ dives in the Mariana Trench and the Yap Trench ·Better understand ⑨ deep under the oceans ·In 2019, Jiaolong had a new mother ship Deep Sea No. 1 and their mission was intended to ⑩ in surveying deep-sea environments and would ⑪ the nation's influence 【设计意图】通过情读关于“蛟龙号”的新闻报道，了解我国海洋探索取得的成就，同曰思新闻体裁。 3. Ask students to read the beginning of The Little Mermaid and use the proper forms of the verbs in brackets to fill in the blanks. (Activity 3) Suggested answers: to measure; to see; dancing; formed; to have been; to play; swimming/to swim; swimming; not to worry 3. Ask students to complete the sentences and appreciate the beauty of the language. ①The water is as as glass. ②There is nothing except sand under the sea, but it is not rare to see the most flowers and plants in the water. ③In the spot of all stands the Sea King's castle, which has walls of coral and a roof formed of shells. ④She has skin like a and eyes as as the deepest sea. Suggested answers: ①clear ②yellow; unique;dancing;fast-moving ③deepest;beautiful ④delicate;rose-leaf;blue 【设计意图】综合运用非谓语动词的不同语用功能完成由童话故事《海的女儿》改编的语篇的填空，欣赏童话故事特有的语言魅力，熟悉其结构特点和文体特点，为续写故事搭建框架。 活动六：想象与创造 1. Ask students to think about the following three questions. ·What is the life like in the Sea King's castle? ·What is the most common way for the princesses to play? ·Do you think that the youngest princess love the life under the deep sea? Why? Suggested answers: ·Life seems pretty good under the sea. The king's family don't need to worry about anything. ·They swim in the halls of the castle or among the flowers, feeding and touching the fish. ·I don't think so. Life is dull and boring for her because she could just swim in the halls of the castle, feeding and touching the fish all day long. 2.Discuss and write. (1)Ask students to discuss with their group members. ·What will happen if the little mermaid meets the deep-sea submersible Jiaolong? (2)Ask students to write a totally different ending for The Little Mermaid. Suggested answer: They seem not to worry about anything, except for the youngest,who is anxious to know what life is really like outside the castle. One day, filled with curiosity, she swam out of the castle, into the depth of the sea. As she was exploring, she suddenly came across a massive submersible-Jiaolong. Intrigued by this incredible vessel, the youngest daughter approached to it cautiously, but the crew welcomed her with open arms. They showed her around the submersible, explaining all of its different features and functions. The daughter of the sea was amazed by the advanced technology and engineering that went into creating such a powerful machine. As they continued to explore together, the crew taught the daughter of the sea about the importance of sea exploration and conservation. They explained how Jiaolong was used to study the deep sea and its inhabitants, and how they used the knowledge to help protect and preserve the sea. Moved by their dedication and passion, the daughter of the sea decided to join them on their mission-deeper into the sea, discovering new species and learning more about the mysteries of the deep sea. 【设计意图】让学生充分发挥自己的想象力，续写《海的女儿》，在新的语境中展现童话的浪漫，延伸对海洋的探索，同时实现语法知识的“语言-意义-使用”的统一。 学科网（北京）股份有限公司 $$