初中英语人教版（2024）九年级上册（2024）1a-1d教学ppt课件

这是一份初中英语人教版（2024）九年级上册（2024）1a-1d教学ppt课件，共17页。PPT课件主要包含了CONTENT，Changes ，government，adj， by hand，Summary，Homework等内容，欢迎下载使用。
Lessn Objectives:
In this lessn, we will be able t:
1. Master new wrds abut envirnmental changes and use them t describe hmetwn transfrmatins.2. Cmplete listening tasks, extract key infrmatin abut changes, and answer fllw-up questins.3. Practice speaking abut envirnmental prblems and slutins using target language.4. Develp awareness f envirnmental prtectin and appreciate the effrts t imprve living cnditins.
In this unit, yu will： 1. talk abut hw things are different frm the past. 谈论事物随着时间的推移发生了怎样的变化。2. discuss hw changes have influenced ur lives. 讨论变化如何影响了我们的生活。3. find ut hw changes happened. 弄清变化是如何发生的。4. explre what yu can d fr yur hmetwn. 探讨你能为家乡做些什么。
The Changing Wrld变化中的世界
Lk and share1. Hw are these tw phts different?2. Why d yu think this place chagned s much?3. Hw has yur hmetwn changed ver time?
The black-and-white ne shws a dry, empty place with a single tree. The clur ne is green and lively—there are lts f plants and a small streatm.
The gvernment and the peple in that area make great effrts.
My hmetwn has built mre tall buildings, wide rads and beautiful parks.
What brings abut changes?
bring abut 带来; 引起
Pre-listening
land is dry/barrenfew green treesnly ne building
cvered with trees and plantsfresh airgreen hme
Changes: The bare sandy hills in the past are nw cvered with thick green trees. The envirnment becmes much greener.
Feelings: I feel happy and prud. Great effrts brught abut such amazing changes.
20 years ag, a man named Bb visited a dry sandy twn. The rads were rugh. There used t be sandstrms all the time. The farmland was getting smaller. Peple had n supermarket, n gd hspital. Tday, he returns with his sn Gerge, and everything changes. Why? What brught abut these big changes? Let’s find ut tday.
While-listening
1. Why des Gerge call Li Rui?2. When did Gerge’s father last visit the place?3. What is the relatinship between Gerge’s father and Li Rui’s grandfather?
Li Rui: Hell, Gerge.Gerge: Hi, Li Rui. Guess what! My father, Bb, and I are ging t visit yur hmetwn. Culd yu be ur guide?Li Rui: Sure! I’d lve t.
1. Why des Gerge call Li Rui?
He calls Li Rui because he and his father are ging t visit Li Rui’s hmetwn and he wants Li Rui t be their guide.
Gerge: Wnderful! Yu knw, my father’s last visit was abut 20 years ag. He became a gd friend f yur grandfather. Li Rui: Grandpa will be s happy. They haven’t seen each ther fr ages!Gerge: Yes, and my father really wants t see hw the place has changed since he last visited.
2. When did Gerge’s father last visit the place?3. What is the relatinship between Gerge’s father and Li Rui’s grandfather?
They are gd friends.
Abut 20 years ag.
Listening tasks
Listen and fill. Then fllw and check.
Li Rui: Hell, Gerge.Gerge: Hi, Li Rui. Guess what! My father, Bb, and I are ging t visit yur hmetwn. Culd yu be ur ________?Li Rui: Sure! I’d lve t.Gerge: Wnderful! Yu knw, my father’s ________ visit was abut 20 years ag. He became a gd ________ f yur grandfather. Li Rui: Grandpa will be s happy. They haven’t seen each ther fr ________!Gerge: Yes, and my father really wants t see hw the place has changed ________ he last visited.
Sectin A, 1b
fr ages 多年; 很久
It takes/tk (sb.) sme time t d sth.做某事花费(某人)一些时间。其中it是形式主语，真正的主语是后面的动词不定式(短语)。
used t d sth. 过去常常做某事
be cvered with 被……覆盖
have t travel far
supermarket
beautiful trees
Listen and find ut the answers. Then repeat it.
Sectin A, 1c
Hw d they talk abut the changes f Li Rui’s hmetwn?
Li Rui: What d yu think f yur trip s far?Bb: Amazing! When I first visited here, it tk half a day t reach the twn. Nw, with the new rads, it takes nly an hur.Li Rui: Yes. When I was a child, the bus tk nearly 40 minutes ver rugh rads t get t schl. Nw, it takes nly 15 minutes. Gerge: Life is much easier! Li Rui: Nt nly that. We used t have t travel far t see a dctr, but nw ur twn has built a new hspital.Bb: Great! And didn’t I see a supermarket dwn the street?Li Rui: Yes. We didn’t have any such places fr shpping until 10 years ag.Bb: But the biggest change is n the hills. They used t be cvered with sand.Li Rui: And nw they have been cvered with beautiful trees!
Traffic (交通)
Public facilities (公共设施)
Envirnment(环境)
Pst-listening
Retell the changes in Li Rui's hmetwn.
Past: It tk __________ t the twn; Ging t schl by bus tk nearly __________ ver rugh rads.Nw: New rads, nly __________ t twn; schl bus just ____________.
Past: Travel far t see a dctr; n gd shpping places.Nw: A new _________; a ___________ n the street.
Past: Hills cvered with _________.Nw: Hills cvered with ______________.
lcals/lcal peple
Pssible versin
I think they happened because the gvernment built new rads, hspitals and supermarkets, and peple planted many trees t prtect the envirnment.
Read and guess
This happens when strng winds blw sand everywhere. Peple can't see clearly and it's hard t breathe.
Let's play a guessing game! I'll describe sme envirnmental prblems. Guess what they are.
Nt enugh land fr farming.Nt enugh fields t plant rice, wheat, vegetables, etc.Maybe caused by urban expansin, desertificatin, land being built int huses r factries.
This happens when peple dn't have mdern tls r knwledge t slve prblems efficiently.
There is nt enugh clean, usable water t meet the needs f peple, farms, factries, r the envirnment in a certain area.
These prblems nce made life very hard in Li Rui's hmetwn. Which prblem was the biggest challenge? Let's g t 2a and rank them.
Water shrtage — Rank 1 (the wrst)
Reasn:If there is nt enugh water, peple can’t live r grw fd well.
Sandstrms — Rank 2
Reasn:Sandstrms hurt peple’s health and damage crps.
Farmland Shrtage — Rank 3
Reasn:And nt enugh land means nt enugh fd.
Lack f Technlgy — Rank 4
Reasn:Technlgy is imprtant, but peple can still wrk withut it.
They mentined tw prblems —sandstrms and farmland shrtage.
What speech f wrd is prbably missing in the blanks?
There used t be+某人/某物(+其他). 过去有
all the time 总是；一直
with ne’s supprt 在某人的支持下
crn fields 玉米地
Listen and check yur answers. Then repeat it.
Sectin A, 2b&2c
Bb: I’m amazed by hw green yur hmetwn has becme!Grandpa: Have yu seen the crn fields utside f the twn yet?Bb: Yeah! They’re huge! Grandpa: There used t be sandstrms all the time, and the fields were getting smaller and smaller. Then, after ne big sandstrm, we decided t d smething.Bb: What did yu d?Grandpa: We fund a small bush. It had lng rts that culd hld the sil tgether. We began planting it in sandy areas. The gvernment prvided supprt t.Bb: Wasn’t it difficult t plant s many bushes?Grandpa: Yes, it was. At the beginning, we wrked by hand. Later, we had machines t help. We have planted many bushes and trees since then. There are fewer sandstrms nw and the envirnment is getting better. It has als imprved ur lives. Everyne has becme richer and happier.
A: The area used t be cvered with sand.B: What did they d t slve this prblem? A: They planted bushes and trees. The land has becme ...
What did they d t slve this prblem?
The hills used t be cvered with sand.
They planted bushes and trees with gvernment supprt. The land has becme green and beautiful./ They fund special bushes t hld sil, first wrked by hand and later used machines. Nw we have huge crn fields.
1. 带来；引起 ___________________ 2. 被覆盖 ____________________3. 耕地短缺 _____________________ 4. 在某人的支持 _____________________5. 总是；一直 ____________________ 6. 手工 ______________________ 7. 玉米地 __________________
Key phrases
bring abut
farmland shrtage
be cvered with
with ne’s supprt
all the time
crn fields
Language pints
1. When did Gerge’s father last visit the place? Gerge的爸爸上一次来这个地方是什么时候？ last adj. 上一个的;最后的, 末尾的 / adv. 最后，最终; 上一次 / v. 持续①【形容词】上一个的 The last time I saw him was in May. 我上次见到他是在五月份。② 【形容词】最后的；末尾的 Luckily, he caught the last bus. 幸运地是，他赶上了末班车。③【副词】最后；最终 Last, spell yur name. 最后，拼写你的名字。④【动词】持续 The meeting has lasted an hur. 会议已经持续一小时了。练习：你上一次去北京是什么时候？（完成译句） When did yu _________ visit Beijing?
2. The hills were cvered with sand. 山丘上覆盖着沙子。 be cvered with 被……覆盖e.g. Munt Qmlangma is cvered with snw all year rund. 珠穆朗玛峰终年被雪覆盖着。拓展：cver... with... 用……覆盖…… e.g. Jack cvered his muth with his right hand. 杰克用右手捂住了嘴。练习：The grund ________ thick snw after the heavy snwstrm last night. A. cvers with B. was cvered with C. cvers by D. is cvered by
3. farmland shrtage 耕地短缺 shrtage n. 短缺搭配：a shrtage f 缺少…… 其后常接 water, mney, material 等表 具体物质或资源类的名词。句型：There is n shrtage f... 不缺…… /……有的是e.g. The city is suffering frm a shrtage f fresh water. 这座城市正遭遇淡水短缺。 There is n shrtage f (= There are plenty f) things t d in the city. 城市里不愁没活干。练习：Water ftprint matters because f ________. A. water shrtages B. t much water n Earth C. peple using t little water D. clean water everywhere
4. lack f technlgy 缺乏技术 lack n. 缺乏 / v. 缺乏;不足(1) 【名词】缺乏搭配: lack f 缺乏…… 其后常接 sleep, interest (兴趣), patience，curage 等表抽象概念的名词。e.g. The research shws that lack f sleep can affect ur memry. 研究表明，睡眠不足会影响我们的记忆力。(2)【动词】缺乏；不足e.g. She used t lack cnfidence, s she seldm answered questins in class. 她过去缺乏自信，所以她很少在课堂上回答问题。练习：Water pllutin results in a ________ (lack) f clean drinking water.
5. It had lng rts that culd hld the sil tgether. 它有很长的根，能够把土壤牢牢固定在一起。 rt n. 根e.g. Plants take in water thrugh their rts. 植物通过根来吸收水分。拓展：rt n. 根源；起因 the rt f ……的根源/起因e.g. Lack f educatin is the rt f these scial prblems. 教育缺失是一些社会问题的根源。练习：我们需要用土把树根盖住。 We need t cver the _________ with sil.
6. They began planting it in sandy areas, with the gvernment’s supprt. 在政府的支持下，他们开始在沙化地区种植这种灌木。1) sandy adj. 铺满沙子的；含沙的 由“sand (n.沙子) + -y”构成。 sandy sil 沙质土壤 sandy beach 沙滩e.g. My aunt grew sme peanuts in sandy sil. 我姑姑在沙地里种了一些花生。2) supprt n./v. 支持 (1)【不可数名词】支持 with ne’s supprt 在某人的支持下 yur supprt and help, we succeeded in finishing the prject n time. 在你们的支持和帮助下，我们成功地按时完成了项目。 (2)【动词】支持;帮助 supprt sb in (ding) sth 在(做)某事方面支持某人e.g. His family supprted him in making his wn decisin. 他的家人支持他自己做决定。 (3)【动词】赡养；抚养e.g. She has t wrk hard every day because she has tw children t supprt. 她必须每天好好工作，因为她有两个孩子要抚养。
1. The rad was s r__________ that it was uncmfrtable t ride a bike n it.2. A strng s__________ hit the twn yesterday, and peple culdn't see clearly utside.3. The gvernment has given a lt f s__________ t farmers in pr areas.4. The wrkers planted many b__________ t stp the sand frm mving.5. The villagers used t have a __________ /ˈʃɔːrtɪdʒ/ f clean drinking water.
I. 请根据所给的首字母或音标写出单词。
1. The hills used t __________ (be) cvered with sand, but nw they are green.2. With the gvernment's __________ (supprt), they built a new hspital in the twn.3. The rts f the bush can hld the sil __________ (gd) than thse f small grass.4. They have planted many trees since then, s there are __________ (few) sandstrms nw.5. It __________ (take) them half a day t reach the twn 20 years ag.
II. 用括号中所给单词的适当形式填空。
1. 是什么带来了这些巨大的变化？ What ________ ________ these great changes?2. 过去这座山上覆盖着沙子。 The hill ________ ______ ______ ________ ________ sand.3. 在政府的支持下，他们开始在沙地里种灌木。 ________ the gvernment's ________, they began planting bushes in sandy areas.4. 由于耕地短缺，人们很难种植足够的粮食。 Because f the ___________ ___________, it is hard fr peple t grw enugh fd.5. 这种植物的长根可以把土壤固定在一起。 The plant has lng ________ that can ________ the sil tgether.
III. 根据汉语提示完成句子（每空一词）。
brught abut
used t be cvered with
With supprt
farmland shrtage
rts hld
We learn:1. Vcabulary: rugh, sandstrm, farmland, bush, rt, sil, sandy, gvernment, supprt, crn; be cvered with, bring abut, lack Sentence Patterns: It tk sb. ... t d sth.; sb. used t d sth.; What changes have taken place? What did they d t slve the prblem?3. Listening & speaking skills: Catch time, place and prblem details in cnversatins; talk abut past-present changes and envirnmental slutins lgically.We can:1. Describe hmetwn traffic, public facilities and envirnmental changes.2. Retell the stry f sandstrm cntrl with target wrds and sentences.3. Realize the imprtance f envirnmental prtectin and value hmetwn develpment.
1. 基础层：抄写全部生词；跟读 1c、2c 听力音频 2 遍。2. 提高层：借助课堂思维导图，写一篇 60 词左右短文，介绍 李锐家乡的变化。3. 拓展层：思考 3 条改善环境的办法，仿照 2d 格式编写完整 英文对话。