人教版（2024）九年级上册（2024）2a-2d第一课时教案设计

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第一课时 Sectin A(1a—2d)
eq \(\s\up7(),\s\d5( Teaching Prcedures（教学过程）))
Activity 1 Warm­up and lead­in(1a)
T：Gd mrning，class！Tday we are ging t explre “The Changing Wrld”．First，let's play a “Spt the Differences” game.Lk at these tw phts f Li Rui's hmetwn—ne is frm the past，and the ther is the present.Wrk in pairs t find as many differences as yu can.(The teacher shws phts n the blackbard and students d the game.)
T：Excellent！Many changes have taken place in her hmetwn.Nw，think abut yur wn hmetwn—what changes have yu nticed？Share with yur partner.(Students discuss in pairs.)
设计意图：采用 “找茬” 游戏激活学生对 “变化” 主题的兴趣，通过观察图片启发学生思考，再结合讨论自己家乡的变化导入单元核心话题，为新课学习奠定基础。
Activity 2 Listening(1b)
T：Nw，we'll listen t a telephne cnversatin between Gerge and Li Rui.Befre listening，let's read the three questins in 1b carefully.(Students read the questins.)
T：Listen carefully and answer the questins.(The teacher plays the recrding.)
T：Nw，check yur answers with yur partner.Then we'll g thrugh them tgether.
设计意图：聚焦 “提取关键信息” 这一核心听力技能，引导学生在听前浏览问题以预判听力内容，要求学生在听中捕捉关键信息(如通话目的、人物关系、时间等)；通过听后核对答案，巩固对对话背景的理解。
Activity 3 Listening and cmpleting(1c)
T：Next，we'll listen t anther cnversatin—Li Rui is shwing Gerge and his father arund her hmetwn.Lk at the table in 1c.It cmpares the past and present f the twn.Let's read the blanks first t predict what infrmatin we need t catch.(Students read the table.)
T：Nw，listen carefully and fill in the blanks.(The teacher plays the recrding.)
T：Let's check the answers tgether.
设计意图：培养学生提取细节信息的能力。首先，通过表格对比过去与现在的情况，学生能够清晰感知变化的具体表现。然后，播放录音让学生补充遗漏的信息，及时巩固与交通、医疗及环境相关的核心词汇，进一步加深对“变化”的直观感受或认知印象。
Activity 4 Grup wrk(1d)
T：We've learnt abut the great changes in Li Rui's hmetwn.Nw，wrk in grups t discuss：Hw d yu think these changes happened？Yu can think abut factrs like gvernment effrts，technlgical develpment，r peple's hard wrk.(Students discuss in grups.)]设计意图：将话题从 “描述变化” 拓展至 “探究变化的成因”，契合循序渐进的教学逻辑。小组讨论鼓励学生多角度思考，培养合作探究能力，并深化对 “变化” 主题的理解。
Activity 5 Ranking and discussing(2a)
T：Nw，let's fcus n the prblems that may exist during changes.Lk at 2a—there are fur prblems：sandstrms，water shrtage，farmland shrtage and lack f technlgy.Rank them frm 1 t 4，with 1 being the wrst.Then discuss the reasns fr yur ranking in pairs.(Students rank the prblems and discuss the reasns.)
T：Which pair wants t share yur ranking and reasns?
S：We rank sandstrms as 1 because they damage farmland and affect peple's health directly.
T：Great analysis！Different regins may face different main prblems during the develpment.Next，we'll listen t a cnversatin between Gerge's father and Li Rui's grandfather t find ut which f these prblems they mentined.
设计意图：引导学生思考变化带来的消极影响，培养他们的辩证思维能力。排序与讨论活动有助于学生理解不同问题的严重程度，为后续的听力任务奠定基础。
Activity 6 Listening(2b—2c)
T：Befre listening，let's read the table in 2c carefully.It includes “Past”“Actin” and “Present”．We need t fill in the blanks with infrmatin abut the envirnment and changes.(Students read the table.)
T：Listen t the cnversatin and tick the prblems mentined in 2a first.Then，try t fill in the key infrmatin in the table.(The teacher plays the recrding.)
T：Which prblems did they mentin？(Students answer：sandstrms，farmland shrtage.)
T：Nw，listen again and cmplete the table.Pay attentin t key wrds like “bush”“sil”“gvernment” and “supprt”．(The teacher plays the recrding a secnd time.)
T：Let's check the answers tgether.
设计意图：培养学生从听力材料中提取针对性信息(问题与解决方案)的能力。通过填写表格，学生能够清晰梳理 “过去的问题→采取的行动→如今的改善” 之间的逻辑关系，深化对 “如何在变化过程中解决问题” 的理解。
Activity 7 Discussing and practice(2d)
T：We've learnt hw Li Rui's hmetwn slved envirnmental prblems.Nw，wrk in grups f 4 t discuss hw the prblems in 2b were slved.Then，think abut anther prblem frm 2a and discuss：What slutins can yu think f t slve it？(Students discuss in grups.)
设计意图：先引导学生总结听力材料中的解决方案，再将思维拓展到其他问题。此活动旨在培养学生的问题解决能力与合作探究精神，帮助他们理解解决问题需要多方(如政府、个人)的共同努力。
Hmewrk
1．Review the cre vcabulary and sentences learnt in this lessn.
2．Talk t yur family abut ne big change in yur hmetwn and nte dwn the key infrmatin (e.g.，what the change is，hw it happened).
eq \(\s\up7(),\s\d5( Blackbard Design（板书设计）))
eq \(\s\up7(),\s\d5( Teaching Reflectin（教学反思）))
In this lessn，students actively jined in the “Spt the Differences” game and listening activities，shwing strng interest in the tpic f hmetwn changes.The listening tasks effectively helped students imprve their ability t extract the key and detailed infrmatin，and cnslidate the cre vcabulary.Hwever，sme students still had difficulty distinguishing the time adverbials f the simple past tense and the present perfect tense.In future lessns，mre situatinal exercises shuld be prvided t strengthen the applicatin f tenses.第一课时 Sectin A(1a—2d)
Key Wrds：bring abut，rugh rads，be cvered with，sandstrm，farmland，shrtage，lack f，sil，sandy areas
Key Sentence Patterns：
·—What changes have taken place in yur hmetwn？/Hw has yur hmetwn changed?
—In the past，it used t…，but nw it has becme…
·—What did they d t slve the prblem?
—They…and the situatin has becme…