人教版（2024）九年级上册（2024）2a-2d教学演示课件ppt

这是一份人教版（2024）九年级上册（2024）2a-2d教学演示课件ppt，共42页。PPT课件主要包含了复合词，Project，Reflecting，Vocabulary，Homework等内容，欢迎下载使用。
Teaching Objectives
语言能力：学生能够掌握本课时复合词构词规律，识记并运用环境、交通类复合词，理解合成词的词义与拼写规则。熟练掌握本单元核心词汇与句型，能运用对比句式，围绕话题Cmpare then and nw，有条理地描述过往与现在的生活变化，独立完成Changes in My Life主题短文写作，实现输入与输出的有效结合。
思维品质：学生通过拆分复合词、辨析词义，锻炼归纳总结的逻辑思维。在对比生活今昔变化的学习活动中，学会梳理事物发展变化的逻辑关系，辩证看待生活中的改变。同时结合自我反思环节，培养独立思考、对比分析和理性总结的高阶思维能力。
学习能力：学生掌握复合词记忆、词义推断的高效学习方法，提升词汇自主学习能力。通过小组合作对比讨论今昔变化、互评写作内容，强化合作探究与自主反思能力。能够主动运用所学语言知识观察生活、总结变化，养成学以致用、主动复盘的良好学习习惯。
文化意识：学生通过感知个人生活、社会环境的发展变化，真切感受时代发展与社会进步。在语言学习与对比探究中，树立积极向上的生活态度与发展观念。同时了解中外社会发展、个人成长的共性认知，拓宽文化视野，培养珍惜当下、积极进取的价值观念。
Teaching Pints
教学重点：掌握初中复合词的构词方法、拼写规则和词义特点，能够辨析、记忆并运用常见复合词。熟练掌握今昔对比的核心句型与表达方式，理清写作篇章结构，能围绕Changes in My Life话题，清晰对比生活过去与现在的变化，完成规范、完整的英语短文写作。
教学难点：灵活运用复合词知识自主推断陌生词汇含义，突破词汇学习的固化思维。精准运用时态差异和对比句型，有条理、有逻辑地描述生活变化。引导学生将对比思维融入写作，避免句式单一、内容空洞，实现语言输出的准确性、逻辑性和丰富性。
Sectin B (2a-3d)
Use a wrd n the left and a wrd n the right t create a cmpund wrd. What ther cmpund wrds d yu knw?
greensandhighfarmrail
strm waylandhuse rad
greenhuse, ...
green + huse → greenhusesand + strm → sandstrmhigh + way → highwayfarm + land → farmlandrail + rad → railrad
sunflwer (sun + flwer)classrm (class + rm)blackbard (black + bard)basketball (basket + ball)ntebk (nte + bk)bkstre (bk + stre)tthbrush (tth + brush)baseball (base + ball)mnlight (mn + light)watermeln (water + meln)
一、什么是复合词复合词是由两个或多个独立的单词组合在一起，形成的具有新含义的单词。它的含义通常和组成部分的意思相关，但不是简单相加，而是产生了一个整体的、新的概念。比如 “greenhuse” 不是 “绿色的房子”，而是指用来种植植物的 “温室”。二、基本构成形式结合初中考查范围，主要分为三种书写形式：连写式：两个单词直接连在一起，无空格和连字符，也是课本中最常出现的类型，比如 blackbard、classrm、hmewrk。连字符式：单词之间用短横线连接，多出现于形容词、数词类复合词，例如 full-
time、gd-lking、eight-year-ld。分写式：两个单词分开书写，形式接近短语，但整体表达单一含义，如 pst ffice、bus stp。三、常见构成类别及例词1. 名词 + 名词这是初中最核心的复合词类型，两个名词组合后依然作名词，用来表示事物、场所、身份等。例： sun（太阳）+flwer（花）构成 sunflwer 向日葵；bk（书）+shp（商店）构成 bkshp 书店；plice（警察）+man（人）构成 pliceman 男警察。
2. 形容词 + 名词组合后多为名词，用前面的形容词限定后面的名词，描述具备对应特征的人或事物。例： black（黑色的）+bard（木板）构成 blackbard 黑板；green（绿色的）+huse（房子）构成 greenhuse 温室。3. 名词 + 动词 - ing这类词汇大多作名词，常用来指代职业、物品或活动。例：sight（景象）+seeing（看）构成 sightseeing 观光；huse（房子）+keeping（打理）构成 husekeeping 家务管理。4. 副词 / 介词 + 名词 / 动词
数量相对较少，整体多为名词或动词。例：ut（向外）+side（边）构成 utside 外部；ver（越过）+cme（来）构成 vercme 克服。5. 名词 / 形容词 + 过去分词 / 形容词多用作形容词，常带连字符，在写作和阅读理解中高频出现。例： wrld（世界）+famus（著名的）构成 wrld-famus 世界闻名的；warm（温暖的）+hearted（心地）构成 warm-hearted 热心的。四、核心用法要点1. 词义规律
多数复合词含义可以由两个原词推断，结合字面意思理解即可，如 basket（篮子）+ball（球）=basketball 篮球；少数词汇词义会发生引申，无法直译，需要单独记忆。2. 词性判断复合词的词性一般由最后一个单词决定，这是快速判断词性的实用技巧。例如 hme（家，名词）+twn（城镇，名词），hmetwn 为名词。3. 复数变化规则复合名词变复数分两种情况。由“名词 + 名词”构成的普通复合词，通常在最后一个名词后加复数后缀，如 bkshp→bkshps；带连字符、表身份的复合词，若中心词在前，就在中心词变形，如 passer-by 复数是 passers-by。
五、核心考点与注意事项1. 词义推断：遇到不认识的复合词，可以通过拆分组成部分来猜测含义。比如看到 “farmland”，知道 “farm” 和 “land” 的意思，就能推断出它和农田相关。但也要注意特殊情况，比如 “greenhuse” 就不能直接按字面意思理解。2. 单复数变化：复合词的复数形式通常是在整个单词的末尾加 “-s”，而不是在组成部分后面加。比如 “classrm” 的复数是 “classrms”，不是 “classesrm”。3. 词性与用法：大部分复合词是名词，用法和普通名词一样，比如可以作主语、宾语等。少数复合词是形容词或副词，比如 “wrld-famus（世界闻名的）” 是形容词，“anywhere（任何地方）” 是副词，要注意区分词性，避免用错语境。
Cmplete the sentences with the wrds in the bx.
1. The rad used t be narrw and dirty. Nw, it is _____ and clean.2. The ______ made it cnvenient fr the villagers t travel acrss the river t the city.3. Beijing, China's ______, hsted the 2008 Summer Olympics and the 2022 Winter Olympics.4. Our farm has a lt f laying hens. They feed n _____, vegetables, and insects.5. Lk! This is a digital _______ that nly sells nline.
prductcrnbridgewidecapital
Cmplete the passage with the crrect frms f the wrds in the bx. What ther stries d yu knw abut China's envirnmental achievements?
gvernmentbushsandstrmresultsandysil
In 1962, Wang Shanghai mved with his family frm their huse in Chengde t the _____ lands f Saihanba. There were few trees t hld the _____ tgether, and there were ften _________. Temperatures were belw freezing during the winter. Life there was very difficult.With supprt frm the __________, Wang Shanghai led a grup f 369 peple wh were determined t make the envirnment f Saihanba better. Over the next 60 years, wrkers planted ______ and trees, creating the wrld's biggest man-made frest.Tday, Saihanba is knwn as “the green miracle”. This is the ______ f hard wrk and peple wrking tgether. Nw, the land is cvered with green trees and the water is clean and fresh.
Think and Share.
Why is Saihanba called "the green miracle" nw? What can we learn frm the change f Saihanba?
Reasn: Decades ag Saihanba was barren sandy land with terrible natural cnditins. After 60 years f hard wrk, wrkers built the wrld's largest man-made frest there, with thick green trees and clean fresh water, which is an amazing envirnmental achievement.Lessn: We can learn that great achievements cme frm lng-term hard wrk and teamwrk, and we have the pwer t imprve the envirnment with firm determinatin.
Read the text. What has stayed the same in the student's life?
Changes in My LifeNw that I am lder, my life is different frm when I was in primary schl. Fr example, my primary schl was near my hme, s I used t walk t schl with my parents. Nw my junir high schl is farther frm hme. I take a bus every day with my friends.My hme has changed t. My family used t live in a small flat, but nw we have mved t a much larger ne. My grandma lives with us nw as well. She has her wn rm and her wn TV set. I am glad that I get t see her every day.The way I study is als different. I have becme mre cnfident in my studies and ften attend grup discussins. I enjy studying with my friends. It's amazing hw much we have achieved tgether.My life has changed in many ways, but ne thing has stayed the same: the feeling f lve and happiness shared by my family.
Scan the text and answer the questins.
1. What kind f passage is this?A. A stry.B. A diary.C. An intrductin.D. A ntice.2. What is the main idea f the passage?A. The writer's new schl life is very interesting.B. Great changes have taken place in the writer's life.C. The writer nw lives in a big and cmfrtable flat.D. The writer lves studying with his friends.
Analyze the structure f the text.
Paragraph 1 (Intrductin)
Paragraphs 2-3 (Bdy)
Paragraph 4 (Cnclusin)
It leads int the tpic directly. The writer states that life has changed a lt since primary schl, and takes the way f ging t schl as the first example.
These tw paragraphs develp the theme in separate aspects. Paragraph 2 talks abut the changes in living cnditins and family life. Paragraph 3 describes the differences in study habits and attitudes.
It sums up the whle passage. The writer pints ut many changes in life, while lve and happiness frm the family remain unchanged.
Cmplete the table with the infrmatin frm the text.
Junir high schl is farther frm hme; take a bus with friends every day
Primary schl was near hme;walked t schl with parents
lived in a small flat; Grandma did nt live with them
have mved t a much larger flat; Grandma lives with them
mre cnfident in studies; ften attend grup discussins; enjy studying with friends
nt mentined
Think back t when yu were in primary schl. In what ways has yur life changed? Make ntes in a table like the ne in 3b.
hmeschlstudyneighburhdtransprtenvirnment
Chse three changes. Write a shrt passage abut them. End with ne thing that has stayed the same.
My life is different frm what it was when I was in primary schl.
First, my hme has changed. We mved frm a small flat t a bright apartment with a garden where I read and grw plants. Secnd, I n lnger walk t schl. My new schl is far away, s I take the bus with my classmates every day. Third, my neighburhd is nicer. In the past, there were nly a few trees and n public parks nearby. But nw, there is a lvely green space. Kids can run and play games there, and adults ften take a relaxing walk after dinner.
Althugh many things have changed, ne thing has stayed the same: every evening, my family still gathers at the dinner table, happily chatting and sharing stries abut ur day.
中间：详细介绍自己各方面的变化
结尾：总结全文，升华主题
Althugh many things have changed, ne thing has stayed the same: ...
住所：We mved frm a... t a...
学校：I n lnger... t schl. My new schl is...
社区：My neighburhd is... In the past... But nw, ...
In grups, think f 10 things that are imprtant in life.
Here are sme examples.
technlgyenvirnmenttransprtentertainmenteducatinshppinghusingmedicalcare
daily diet（日常饮食）public safety（公共安全）study resurces（学习资源）travel ways（出行方式）leisure activities（休闲活动）living accmmdatin（居住住房）medical service（医疗服务）shpping methds（购物方式）cmmunicatin means（通讯方式）natural surrundings（自然环境）
Design a survey fr yur parents r grandparents using the 10 things yu thught f.
SURVEYWhat were cmputers like when yu were yung?Hw did yu get t schl? Hw lng did it take?What did yu d fr entertainment when yu were my age?…
What was yur daily diet like when yu were my age? Culd yu eat yur favrite fd ften?（日常饮食）What did yu d t keep safe when yu went ut at night back then?（公共安全）What learning materials culd yu use fr yur study when yu were a student?（学习资源）What transprt did yu take t get t schl every day? Hw lng was yur cmmute?（出行方式）Hw did yu spend yur free weekends in yur childhd?（休闲活动）What kind f huse did yur family live in when yu were yung?（居住住房）Hw wuld yu deal with a bad cld r fever in yur early years?（医疗服务）Where did yu buy clthes and daily necessities mst f the time?（购物方式）Hw did yu cntact yur faraway relatives r classmates?（通讯方式）Were the rivers and parks arund yur hmetwn different frm nw? Hw?（自然环境）
We mainly ate hme-grwn vegetables, meat and sweet snacks were nly available during Spring Festival.We rarely went ut after dark, there were few street lights, s we mstly stayed at hme fr safety.We nly had a few textbks and exercise bks, n reference bks r nline learning materials.I walked 40 minutes t schl n ft in rain r shine. There were n schl buses near my hme.We skipped rpe, played hide-and-seek with neighburhd kids utdrs, with n electrnic games at all.My whle family lived in a small bungalw with tw rms. We shared a big kitchen with several families.We went t the small village clinic fr minr illnesses; serius sickness needed a lng trip t the twn hspital.We bught everything at the weekly rural market. There was n supermarket nearby.We wrte handwritten letters t keep in tuch, and making a lng-distance call was very expensive.The lcal river was clear enugh t wash clthes in, there were fewer buildings and mre green fields.
Interview yur parents r grandparents abut their lives when they were yur age. Nte dwn their answers.
List the differences between their lives and yur wn.
ThenMst peple didn't have cmputers in their hmes.Peple walked r cycled fr schl cmmutes with lng travel times.Festivals were almst the nly chance t enjy rich fd.Peple kept in tuch with distant peple nly by handwritten letters.Outdr grup games were the nly main leisure chices fr kids.NwHme cmputers are cmmn, and many peple use smart devices.Families have private cars, schl buses and shared bikes t shrten cmmuting time greatly.We can rder all kinds f delicius takeut and buy fresh ingredients every day.We make vide calls and send messages instantly t talk t peple anywhere.We have mbile games, streaming shws, gym wrkuts and varius ther leisure ptins.
Give a presentatin t yur class abut the differences between then and nw.
Gd mrning, everyne.Tday I'll share the life differences between my mm's teenage years and my life nw.First, let's talk abut daily life and transprtatin. My mm walked 40 minutes t schl every day, but I can take a cnvenient schl bus and get t schl in just 15 minutes. Fr fd, she culd nly eat meat n big festivals, while I can have all kinds f tasty fd whenever I want.Then abut cmmunicatin and entertainment. She wrte letters t cntact faraway friends,
but I can make vide calls in secnds. Her free time was filled with utdr games with neighburs, yet I culd watch nline curses, play mbile games r g t cinemas fr fun.Husing and medical care have als changed a lt. Her big family squeezed int a tiny shared bungalw, but I have my wn bright bedrm. Minr illnesses can be treated at nearby cmmunity hspitals easily nw, while she had t travel far fr better medical help back then.These changes make ur life much mre cmfrtable and cnvenient. I really appreciate the prgress f ur life. That's all fr my presentatin, thank yu!
What d yu think brings abut changes?Which changes mentined in this unit impressed yu the mst? Why?Can yu use the simple past and present perfect tenses t talk abut changes?What is ne change yu wuld like t see in the wrld?What is ne change yu wuld like t see in yurself?
你认为是什么促使了变化？ 本单元中提到的哪些变化最让你印象深刻？为什么？你能用一般过去时和现在完成时来谈论变化吗？ 世界上你希望看到的一项改变是什么？ 你自己希望看到的一项改变又是什么？
narrw /ˈnærəʊ/ adj. 狭窄的；v.缩小
narrw mind 狭隘的心胸narrw dwn 缩小范围，精简narrw gap 小小的差距narrw escape 九死一生，侥幸脱险例句：The rad is t narrw fr tw cars t pass. 这条路太窄，两辆车无法并行。We need t narrw dwn ur chices. 我们需要缩小选择范围。narrwly /ˈnærəʊli/ adv.勉强地；狭窄地narrwness n.狭窄；狭隘易混辨析：narrw vs shrtnarrw：侧重宽度窄，反义词是 wide/brad（宽阔的）shrt：侧重长度短、个子矮，反义词是 lng/tall
lead /liːd/ v. 带领，过（某种生活）n. 领先地位，主角
lead sb. t sp. 带领某人去某地lead t 通向，导致lead a ... life 过…… 的生活lead the way 带路，示范take the lead 处于领先地位lead in 引入，开场lead sb. t d sth. 促使 / 使得某人做某事例句：She leads us t the classrm. 她带我们走进教室。Our team has taken the lead. 我们队已经取得领先。leader /ˈliːdə(r)/ n.领导者，领袖leadership n.领导，领导力leading adj.主要的，领先的
flat /flæt/ n. 公寓；adj.平坦的
例句：We used t live in a small flat. 我们以前住在一套小公寓里。The rad is wide and flat. 这条路宽阔又平坦。易混辨析：flat vs apartment（二者都表示 “公寓”，含义一致，区别仅为使用地域）flat：英式英语常用apartment：美式英语常用易混辨析：flat vs smth二者作形容词都可形容表面，侧重点不同：flat：强调没有高低起伏、表面平整，侧重形态smth：强调表面光滑、不粗糙，侧重触感
discussin /dɪˈskʌʃn/ n. 讨论
have a discussin 进行讨论have a discussin abut/n sth. 就某事展开讨论grup discussin 小组讨论jin in a discussin 参与讨论a heated discussin 热烈的讨论例句：We ften have grup discussins in class. 我们经常在课堂上开展小组讨论。discuss /dɪˈskʌs/ v.讨论，商讨易混辨析：discuss 与 have a discussin两者语义相同，用法有区别：discuss 是及物动词，后面直接接讨论的内容，不加介词。have a discussin 是动词短语，后接内容需搭配介词 abut/n。
Review the wrds learned in this class.Preview the cntent fr the next class.