内容正文:
第二课时 Reading for writing
◇目标导航◇
类别
课时要点
重点单词
probably adv.很可能,大概
west n.西,西面
east n.东部
midsummer n.仲夏
crazy adj.疯狂的
rainfall n.雨量
survive v.活下来;幸存
underground adj.地(面)下的
canal n.水渠,沟渠;运河
among prep.是……之一
shortage n.短缺,不足,缺乏
increase n.增加,增多;增长
重点短语
in the east/west of在……的东部或西部
more than超过
thanks to幸亏,由于
重点短语
no wonder难怪
play an important role in在……发挥重要作用
take action采取行动
carry into the future传承下去
重点句型
1.How do people survive in such a terrible climate?人们如何在如此恶劣的气候中生存?
2.Thanks to the karez system,people can grow plants for food in this difficult environment.多亏了坎儿井系统,人们才能在这个恶劣的环境中种植粮食作物。
3.Although modern technology is solving some problems,the karez system still plays an important role.尽管现代技术正在解决一些问题,但坎儿井系统仍然发挥着重要作用。
教学重点
学生能够理解坎儿井系统的工作原理、历史意义和现实价值,学习人类适应自然、利用自然的智慧。
教学难点
学生能够在写作中清晰地介绍人类改变自然的案例,阐述其工作原理、重要性及未来发展,并表达自己的观点。
◇教学过程◇
Step 1 Leading in
1.Greet the class and show pictures of the Flaming Mountains and Turpan.Ask:“Have you heard of the Flaming Mountains in Journey to the West?Do you know what the real Turpan is like?”
2.Introduce the harsh environment of Turpan:“Turpan is one of the hottest and driest places in China.The desert sand can reach 80℃ in midsummer,and the annual rainfall is only 16 mm.How did ancient people survive there?Today we will learn about the amazing karez system.”
Step 2 Work on Activities 1 and 2
1.Ask students to look at the pictures and answer the questions:“What’s the environment like?” “How does the system work?” Let students make guesses based on the pictures.
2.Have students read the passage quickly and check their guesses.
3.Then invite students to share their initial understanding of the karez system.
Step 3 Work on Activity 3
1.Ask students to read the passage again carefully and complete the diagram with the words and expressions from the passage.
2.Check the answers together.
Step 4 Work on Activity 4
1.Have students read the passage carefully again and underline the unfamiliar words and phrases.
2.After reading,ask students to answer the questions in Activity 4.
3.Use vocabulary cards or PPT to introduce and explain key words and phrases,and have students take notes.
Step 5 Work on Think and share
1.Organise students to discuss the questions in pairs:“What fact from the passage do you find the most interesting?Why?” “With modern technology,do you think it is still necessary to keep the karez system?Why or why not?”
2.Invite students to share their opinions,and the teacher makes comments and summaries,emphasising the importance of inheriting and protecting ancient wisdom.
Step 6 Work on Activity 5
1.Guide students to choose an example of people changing nature.Ask them to search for relevant information and fill in the chart.
2.Students start writing.The teacher walks around the classroom to offer help.After writing,ask students to check their passages according to the checklist.
3.Then invite several students to share their works,and encourage other students to give feedback on the content,language and logic.
◇教学反思◇
本节课通过阅读坎儿井相关文章,学生们深刻体会到了古代人类适应自然、利用自然的智慧,对文章内容和关键信息的掌握较好。在写作环节,多数学生能够按照要求选择案例并组织内容,但部分学生存在以下问题:一是对案例的工作原理描述不够清晰;二是逻辑结构不够严谨。后续教学中,应提供更多优秀写作范例,引导学生学习如何清晰阐述原理、丰富语言表达和优化逻辑结构。
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