人教版（2024）八年级下册（2024）Section A背景图课件ppt

这是一份人教版（2024）八年级下册（2024）Section A背景图课件ppt，共25页。
业余活动词汇学习与认读
核心句型建构与功能解析
跨文化视角下的业余爱好探究
小组调查实践：班级热门休闲活动统计
动词不定式语法深化与辨析
单元反思与生活联结：劳逸结合的健康理念
Free-time Activities Vcabulary
Master essential wrds fr hbbies and leisure pursuits
Calligraphy: Prnunciatin & Cultural Meaning
■ Wrd Fcus：calligraphy /kəˈlɪɡrəfi/ n. the art f beautiful handwriting (书法) — emphasis n secnd syllable: ca-LIG-ra-phy■ Western Cntext：In Eurpe, calligraphy evlved frm medieval manuscript illuminatin; it emphasizes rnamental letterfrms, rhythm, and precisin in penmanship.■ Chinese Cntrast：Chinese calligraphy (shūfǎ) is rted in brushwrk, qi (vital energy), and philsphical expressin—each strke cnveys emtin and discipline.■ Shared Values：Bth traditins value patience, aesthetic harmny, and persnal cultivatin thrugh disciplined practice.※ Calligraphy bridges cultures—nt just writing, but embdied artistry.
Ski: Verb Usage & Fixed Expressin
Verb Cnjugatin & Grammar
■ ■ ■ Base Frm：ski /skiː/ v. t mve ver snw n skis (滑雪)Tense Frms• Present: He every winter. (habitual actin)• Past: They skied in the Alps last February.• Present Cntinuus: We are skiing this weekend — nte spelling: n duble 'i'• Present Perfect: She has skied in eight cuntries.Subject-Verb Agreement：Third-persn singular adds '-s' → He , nt *he ski. Avid cmmn errr: *They skis.
G Skiing: Cllcatin & Real Use
■ ■ Fixed Phrase：g skiing — a phrasal verb meaning 't participate in skiing as a recreatinal activity'Usage Ntes• Always with 'g + V-ing': ✅ g skiing / ❌ g ski r g t ski• Often used with time expressins: this winter, next Marchevery hliday• Example cntexts:① I plan t in Hkkaid during spring break.② They’ve been ging skiing tgether since university.③ Is it safe t alne? Experts advise against it.
Prgram: Verb Meaning & Technical Cllcatins
Cre Sentence Patterns
Structure, Functin & Real-Wrld Use
Asking Abut Free Time
What d yu d in yur free time?
■ ■ ■ ■ Fcus: Activity Type: — This questin asks fr the specific activity r hbby smene engages in during leisure time.Usage Cntext: Ideal fr initial cnversatins, surveys, r when seeking cncrete examples (e.g., painting, cding, hiking).Key Features: Uses simple present tense; expects nun phrases r gerund phrases as answers.Examples① A: What d yu d in yur free time?   B: I d calligraphy. / I g skiingprgram apps② She practices yga every weekend. They watch dcumentaries tgether.
Hw d yu spend yur free time?
■ ■ ■ ■ Fcus: Prcess & Manner: — This questin emphasizes hw, where, with whm, and hw lng an activity ccurs — revealing lifestyle patterns and persnal values.Usage Cntext: Suitable fr deeper reflectin, cultural cmparisn, r discussing balance and well-being.Key Features: Often elicits lnger, mre descriptive respnses invlving adverbials and clauses.Examples① A: Hw d yu spend yur free time?   B: I spend tw hurs a week practicing calligraphy at a cmmunity center② We spend weekends hiking in the muntains with friends③ Luca spends his evenings cding while listening t Italian flk music — blending skill-building and cultural identity.
Describing Preferences
■ I like t... vs. I : Thugh bth express preference, they carry distinct pragmatic nuances.① I like t + verb ften suggests intentinality, chice, r ccasinal actin — especially when highlighting purpse r decisin-making: 'I like t ski n weekends' implies a planned, cnscius habit.② I enjy + verb-ing cnveys immediate pleasure, emtinal respnse, r habitual satisfactin: 'I enjy skiing' fcuses n the intrinsic jy f the experience itself.③ In real usage, enjy is rarely fllwed by infinitives — it’s grammatically restricted t -ing frms.④ Cntrast: 'She likes t teach beginners (a chsen rle)' vs. 'She enjys teaching beginners (the emtinal reward)'.※ Understanding these subtleties sharpens authentic self-expressin in English.
Purpse Expressins
Crss-Cultural Hbbies
Hw hbbies reflect cultural values and cnnect the wrld
Luca: Cding fr Cultural Cnnectin
■ Wh is Luca?：A 16-year-ld Italian student frm Blgna■ His passin：Prgramming language-learning apps t teach Italian glbally■ Cultural impact：His app 'Parla Italian!' has ver 200,000 users in 42 cuntries. It includes reginal dialects, Renaissance art references, and Italian film clips.■ Why it matters：He desn’t just cde—he preserves linguistic identity while building bridges. "Every line f cde helps smene fall in lve with Italy's sul," he says.■ Key vcabulary：prgrammer / cultural ambassadr / digital heritage / pen-surce prject※ Technlgy + traditin = pwerful cultural diplmacy (技术+传统=强有力的文化外交)
Maya: Languages as Glbal Windws
■ Wh is Maya?：A 17-year-ld student frm Hyderabad, India■ Her linguistic jurney：Fluent in Telugu, Hindi, English → learning French, Arabic, and Japanese simultaneusly■ Glbal curisity in actin：She hsts a weekly pdcast 'Wrld Vices' featuring interviews with teens frm 15 cuntries, cmparing festivals, fd traditins, and yuth activism.■ Cultural insight："Languages aren't just tls—they're keys t understanding hw peple feel, dream, and resist." Her research n Bllywd’s influence n African cinema went viral n academic platfrms.■ Key vcabulary：multilingualism / cultural fluency / glbal citizenship / cmparative analysis※ Language learning builds empathy befre grammar (语言学习先构建共情，再掌握语法)
Survey in Actin
Discver Our Class's Favrite Free-time Activities
Peer Interview Practice
Left Clumn: Dialgue Mdel
■ Authentic Cnversatin Pattern：A: What free-time activities d yu like?B: I like playing basketball and listening t music.A: Why d yu like them?B: Playing basketball helps me stay fit, and music helps me relax after schl.■ Key Language Ntes：① Use plural 'activities' when listing multiple hbbies② 'Help (t) d smething' expresses benefit clearly③ Present simple tense describes habitual preferences④ Cnnect reasns with 'and', 'because', r cmma + cnjunctin
Right Clumn: Sentence Frames & Respnses
■ Questin Prmpts：• What free-time activities d yu like?• Which ne d yu enjy mst? Why?• Hw ften d yu d it?■ Respnse Bank：→ It’s a great way t... (exercise / express myself / make friends)→ I find it fun t... (draw / cde / hike)→ It helps me (t)... (relax / fcus / feel cnfident)→ I d it because... (it’s creative / I’m gd at it / my friends jin me)※ Remember: Speak naturally — shrten 'I am' → 'I'm', 'd nt' → 'dn’t'
Data Visualizatin
■ Step-by-Step Chart Creatin：① Tally respnses: Cunt hw many classmates chse each activity (e.g., ftball: 7, reading: 5, painting: 4)② Draw axes: Hrizntal axis (x) lists activities; vertical axis (y) shws number f students③ Build bars: Draw prprtinal clumns — taller bar = mre ppularity④ Label clearly: Add title ('Our Class’s Tp Free-time Activities'), axis labels, and legend■ Why Charts Matter: Visualizing data makes patterns bvius — e.g., if 'listening t music' has the tallest bar, we instantly see it’s the mst ppular. This supprts clear ral reprting using phrases like 'The mst cmmn activity is...' r 'Twice as many students prefer...'
Grammar Deep Dive
Mastering Infinitives: Purpse & Object Cmplement
Purpse: d sth. t d sth.
■ Cre Structure 核心结构：verb + bject + t + base verb■ Functin 功能：Expresses the reasn r purpse behind an actin (表达动作发生的目的)■ Key Rule 关键规则：The 't' must never be mitted — it is essential fr grammatical accuracy■ Examples 例句：① We listen t music t relax. (听音乐是为了放松)② She practices pian t imprve her skills. (她练钢琴是为了提升技巧)③ They built a garden t create a peaceful space. (他们建花园是为了营造宁静空间)④ He studies hard t pass the exam. (他努力学习是为了通过考试)※ Purpse infinitives answer 'Why?' — they explain intentin, nt result.
Object Cmplement: help sb. (t) d sth.
Structure & Rules
■ ■ ■ ■ Basic Pattern 基本结构：help + persn + (t) + base verbT r Nt T? ：The 't' is ptinal — bth frms are grammatically crrect and carry identical meaningUsage Ntes 使用提示① With 'help', missin f 't' is mre cmmn in infrmal speech and writing② In frmal writing, including 't' may enhance clarity③ Other verbs like 'let', 'make', 'see', 'hear' fllw different rules — but 'help' is uniquely flexibleExamples 例句✓ She helps me (t) learn English.✓ The tutr helped him (t) understand calculus.✓ Vlunteers helped refugees (t) settle int new cmmunities.
Real-Wrld Cntexts
■ ■ Natural Dialgue 场景对话：A: Hw did yur sister get int cding?B: My dad helped her (t) start with Pythn — he even built her first prject!A: That’s supprtive! Did she find it easy?B: Nt at first — but he helped her (t) debug every errr until she gt cnfident.Academic Usage 学术表达Research shws that mentrship helps students (t) develp critical thinking earlier.Peer feedback helps writers (t) refine arguments and strengthen evidence.
Balance fr Life
Unit Reflectin & Real-life Cnnectin: Wrk-Rest Harmny
Prverb Insight
■ "All wrk and n play makes Jack a dull by."→ Literal meaning: If smene nly wrks and never relaxes, they becme bring and uninteresting.→ Cultural rigin: First recrded in James Hwell's 1659 cllectin f prverbs; reflects Victrian-era cncerns abut child labr and intellectual stagnatin.→ Mdern interpretatin: Emphasizes neurscientific truth — rest renews cgnitive functin, bsts creativity, and strengthens emtinal resilience.→ Crss-cultural parallel: Chinese saying "张弛有度" (zhāng chí yǒu dù) — 'balance tensin and relaxatin' — shares the same wisdm.※ This prverb is nt abut laziness, but abut sustainable grwth thrugh intentinal rest.
Self-Reflectin Questins
What activities have I learnt?
■ Review vcabulary with precisin:① calligraphy — nt just 'writing', but meditative art requiring fcus and cntrl② skiing — a dynamic physical activity demanding crdinatin and curage③ prgramming — lgical thinking made tangible thrugh creatin④ hiking, painting, yga — diverse pathways t mindfulness and self-expressin→ These are nt islated wrds — they represent life skills: discipline, adaptability, prblem-slving, and emtinal regulatin.
Hw d they help me? Why d we need t relax?
■ Functinal analysis f leisure:① t relax → lwers crtisl, restres attentinal capacity (e.g., listening t music)② t create → activates reward circuitry, builds identity (e.g., cding an app)③ t express → prcesses emtins nn-verbally (e.g., calligraphy r painting)④ t cnnect → strengthens scial bnds (e.g., team sprts)→ Scientific cnsensus: Rest is nt passive — it’s active neural recalibratin.