初中英语人教版（2024）九年级上册（2024）2a-2d第一课时教案

这是一份初中英语人教版（2024）九年级上册（2024）2a-2d第一课时教案
eq \(\s\up7(),\s\d5( Teaching Prcedures（教学过程）))
Activity 1 Warm­up and lead­in
T：Gd mrning，class！Tday we are ging t learn a new unit abut inventins.First，let's play a guessing game.I'll describe an inventin，and yu guess what it is.Ready？It's a small device that yu can carry in yur pcket，used fr making calls，sending messages and surfing the internet.What is it?
Ss：Mbile phnes!
T：Great！Anther ne.It's a machine that can take phts and recrd vides.What is it?
Ss：The camera!
T：Perfect！Tday we will talk abut many interesting inventins and hw they have changed ur lives.
设计意图：通过猜谜游戏激活学生对常见发明的已有认知，调动学生的学习积极性，同时自然导入单元核心话题“发明”，为新课学习做好铺垫。
Activity 2 Matching(1a)
T：Lk at the pictures and the list f inventins in 1a.Please match each inventin with the crrect picture.Wrk n yur wn first.(Students match the inventins with the pictures individually.)
T：Nw，check yur answers with yur partner.Then let's g thrugh them tgether.Wh wants t share yur answers?
S1：Plane matches Picture 5；Camera matches Picture 2…
T：Crrect！Well dne.
设计意图：借助图片帮助学生建立“词汇—实物”的对应关系，降低新词汇的记忆难度。先独立完成匹配，再与同桌核对，最后全班统一核对，既培养学生的自主观察能力，又发挥团队协作的作用，为后续听力和口语环节打下基础。
Activity 3 Listening(1b)
T：Nw，we'll listen t tw cnversatins abut tw new inventins：Super See and Smart Ck.The task is t listen and find ut what they are and where they are frm.Let's read the tips in 1b first.(Students read the tips.)
T：Nw，listen carefully and take ntes.(Play the recrding.Students listen and take ntes.)
T：Let's listen again t check yur ntes.(Play the recrding again.)
T：Wh can tell us what Super See and Smart Ck are？And where are they frm?
S1：Super See lks like a pair f sunglasses with a mini­camera，frm…；Smart Ck is a machine fr cking，frm…
T：Exactly！Yu did a gd jb.
设计意图：聚焦“提取关键信息”这一听力核心能力。听前引导学生朗读提示，预判听力内容；听中要求学生捕捉发明名称、来源等关键词；听后核对答案，进一步巩固发明相关词汇，提升听力细节捕捉能力。Activity 4 True r false(1c)
T：Nw，let's lk at the sentences in 1c.Listen t the cnversatins again and circle T(true) r F(false).Let's read the sentences tgether first.(Students read the sentences tgether.)
T：Ready？Let's listen.(Play the recrding.)
T：Time's up！Let's check the answers ne by ne.
设计意图：通过判断对错的练习，进一步深化学生对听力材料的理解，同时让学生关注发明的细节特征，巩固被动语态的初步感知，为后续语法学习做好铺垫。
Activity 5 Pair wrk(1d)
T：Describe the tw inventins t yur partner.What d they lk like？What are they used fr？(Students practise in pairs.The teacher invites sme pairs t share.)
设计意图：通过同伴描述活动，巩固对两种发明的理解，训练口语表达能力，同时为后续学习做铺垫。
Activity 6 Ticking and adding(2a)
T：What d yu think a 3D printer can make？Tick the things that yu think a 3D printer can d.Yu can add mre.(Students tick and add.)
设计意图：通过勾选活动，拓展学生对3D打印机应用的知识，同时为后续相关听力内容做铺垫。
Activity 7 Listening and cmpleting(2b—2c)
T：Nw let's mve t 2b.Listen t the cnversatin and answer tw questins.
(Play the recrding.Students listen and answer.)
T：Lk at the sentences belw in 2c.Listen again and cmplete them with the crrect frms f the wrds in the bx.First try t cmplete by yurself.(Students wrk individually.)
T：Nw listen again and check yur answers.(Play the recrding.Students check.)
T：Let's check tgether.
设计意图：在听力语境中训练学生提取主旨信息的能力，同时完成被动语态填空，引导学生关注被动语态的构成，为语法学习做铺垫。
Activity 8 Pair wrk(2d)
T：Nw，wrk with yur partner.List the things yu use every day in the bx.Then chse ne that is the mst useful fr yur life.Talk abut what it lks like and what it is used fr with yur partner.Here is an example：
A：Super See lks like a pair f sunglasses.A mini­camera is cnnected t it.
B：What can it be used fr?
A：It can be used t help with reading.
T：Nw，start yur discussin.Later.I will invite sme pairs t shw their dialgues.(Students practise in pairs.)
设计意图：提供对话模板，降低学生口语表达的难度，确保所有学生都能参与。同桌互动为学生创造充足的语言实践机会，让学生在交流中巩固发明的描述方法，提升口语表达能力。
Hmewrk
1．Cpy the new wrds in this perid and remember them.
2．Describe ne f the inventins in 1a t yur family in English.
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 participated in the guessing game，matching and listening activities，and shwed great interest in the tpic f inventins.Mst students culd master the new vcabulary and extract key infrmatin frm the listening materials.Hwever，sme students still had difficulty in prnuncing sme new wrds.In future lessns，mre prnunciatin practice shuld be prvided.In additin，sme students were nt active enugh in pair wrk；mre guidance and encuragement shuld be given t them t imprve their speaking cnfidence.第一课时 Sectin A(1a—2d)
Key Wrds：inventin，camera，laptp，super，itself，buttn，prduce，plastic，printer
Key Sentences：
—What inventin d yu like the mst?
—I like…the mst.
—Why?
—…