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第4课时　Section B (1a-1f)
一、教学目标
1.理解文章内容,掌握文中描述蜜蜂的关键信息。
2.了解蜜蜂的重要性及其在生态系统中的作用。
3.培养学生的生物保护意识,激发他们保护蜜蜂的兴趣。
二、核心语言知识
1.核心词汇:
单词:
connect;connected;without;imagine;honey;disappointed;connection;action;percent;planet;store;communicate;protect;importance;human;ant
短语:
be connected with/to;in fact;for this reason;in order to;play a part (in sth);be home to sb/sth
2.核心句式:
(1)We need each other to live,and bees are one of the best examples of this connection.
(2)However,the number of bees is dropping,and scientists are worried.
(3)Think about what you can do to protect one of the most amazing animals on earth.
3.教学重难点:
(1)帮助学生了解关于蜜蜂的重要性以及它们与其他生物之间联系。
(2)引导学生找出并理解用来描述蜜蜂的形容词。
三、教学过程
学习活动 效果评价
◆Step 1　Lead-in T:We have learned some amazing plants and animals,such as bamboo,ginkgo trees,blue whales,elephants.They all play important roles in our world.What other plants and animals do you know 帮助学生了解自然界中的神奇物种。
设计意图:唤起学生热爱自然,探索自然的好奇心和求知欲。
◆Step 2　Pre-reading 1.Play a short video of bees collecting nectar and pollinating flowers. 2.Bee Knowledge Quick Quiz The teacher prepares simple questions about bees,such as: (1)How do bees help plants (2)What does a bee's home look like (3)How do bees communicate After students answer,the teacher summarizes their responses,and guides them to think about the importance of bees in nature,leading into the text in 1b. 教师观察学生是否能准确回答关于蜜蜂的问题,判断学生是否能够初步理解蜜蜂在自然界中的重要性。
设计意图:通过快问快答的形式,激活学生对蜜蜂的已有知识,激发其学习兴趣;通过总结和引导,帮助学生建立蜜蜂与自然界重要性的联系,为深入学习课文内容做好铺垫。
◆Step 3　While-reading Work on 1b 1.Fast-reading Ask students to quickly read the text and find the main idea of each paragraph. Para.1:The connection between people,plants and animals, and the importance of bees. Para.2:Bees are hard-working and play a role in pollination. Para.3:Bees are interesting and how they communicate. Para.4:The importance of bees in the ecosystem and the need for protection. 检查学生是否能够准确总结每段的主要思想。
设计意图:训练学生的速读能力以获得对文本的整体理解。
2.Careful-reading Ask students to read the text again and find the answers to some specific questions. (1)How many flowers do bees often visit on one trip (2)How do bees communicate with each other when they find new food (3)What's the problem with bees 检查学生是否能够找到所有相关的形容词并给出合理的解释。
设计意图:帮助学生详细理解文本并掌握形容词的使用。
◆Step 4　Post-reading Work on 1c Read again and complete the mind map with the information from the text. Then try to retell the passage with the mind map. 教师观察学生是否能准确提取文章信息并合作完成思维导图,能否根据文本回答问题。判断其对文章内容的理解和团队协作能力。
设计意图:通过小组合作完成思维导图并回答问题,帮助学生梳理文章结构,加深对蜜蜂重要性的理解,同时培养其团队合作和信息整合能力。
◆Step 5　Language points and discussion Work on 1d,1e and 1f 1.Explain the key words,phrases and sentences in the article. 2.Divide students into groups of 4.Discuss the questions in 1d and each group selects a representative to present their answers. 3.Ask them to discuss the following questions: What will happen if the number of bees continues to drop What can we do to protect bees 4.According to your discussion,write one more paragraph about bees and add it to the text. 5.Ask them to discuss the question: How do you understand the connection between people,plants,and animals Think of some examples and then share them with a partner. 教师观察学生在小组讨论和续写活动中是否积极参与;通过代表发言和分享,检查学生是否能够清晰表达观点并举例说明人类与动植物之间的联系。
设计意图:通过小组讨论和续写活动,培养学生的团队合作能力、创造力和语言运用能力;通过分享和讨论,帮助学生将所学知识与实际生活联系起来,加深对生态系统的理解,并提升其表达和交流能力。
板书设计 Unit 4　Amazing Plants and Animals 第4课时　Section B (1a-1f) Adjectives:disappointed　angry　sad　hard-working　great　important　interesting　hard　worried　amazing
课堂评价
作业布置
必做: Write a short summary of the text within 100 words. 选做: Write a letter to the local environmental protection department,suggesting some measures to protect bees.Make a poster about protecting bees and display it in the classroom.
教学反思
　　在教学过程中,通过头脑风暴和视频导入以及快问快答活动,成功激发了学生的学习兴趣,大多数学生能够积极参与到课堂讨论中。在阅读环节,不同的阅读技巧训练有效地帮助学生理解了文章内容。然而,在小组讨论和写作环节,部分学生的表达能力还有待提高,在今后的教学中,需要加强对学生语言输出能力的训练,例如增加口语练习和写作指导。同时,在时间把控上还可以更加精准,确保每个环节都能充分展开又不拖沓。

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