人教版（2024）九年级上册（2024）1a-1d示范课ppt课件

这是一份人教版（2024）九年级上册（2024）1a-1d示范课ppt课件，共30页。PPT课件主要包含了sandstorms，Sample，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交通、环境、生活变化相关核心词汇，熟练掌握used t d核心句型，能听懂关于家乡今昔变化的听力对话，精准获取关键信息，同时能运用目标句型简单口头描述家乡的过往与现在的变化，完成基础口语交际。
思维品质：学生通过对比家乡过去与现在的环境、交通、生活状况，锻炼对比分析与归纳总结的逻辑思维，能够简单思考生活变化的成因，学会辩证看待社会发展带来的改变，初步形成理性的思辨能力。
学习能力：学生在听力练习、小组对话练习和角色扮演的活动中，掌握抓取听力关键信息的学习方法，主动归纳核心句型用法，提升自主探究与合作交流能力，养成主动运用英语谈论生活话题的学习习惯。
文化意识：学生通过学习家乡的各项发展变化，真切感受社会发展与生态治理的成果，体会生活环境的改善，树立热爱家乡、保护环境的意识，理解发展与环保并存的生活理念，提升家国情怀与社会责任感。
Teaching Pints
教学重点：本课时重点是学生掌握描述今昔变化的核心词汇与used t d句型的基本用法，能够准确听懂听力材料中关于环境、交通、生活的对比信息，熟练运用目标句型进行口语交流，完成话题对话与情景表达任务。
教学难点：本课时难点是学生能够准确区分used t d与现在时态的用法差异，规避句式运用错误，同时在口语表达中灵活运用句型清晰地描述生活变化，精准辨析听力中过去与现在的不同信息，形成连贯规范的语言表达。
Sectin A (1a-2d)
Lk and share.
1. Hw are these tw phts different?
The main difference is the envirnment. The ld black-and-white pht shws a bare, dry land with nly ne lnely tree, which lks very deslate. The new pht shws a wide, green grassland with a clear river winding thrugh it, full f life and beauty. The place has turned frm a dry, lifeless area int a vibrant, healthy ecsystem.
2. Why d yu think these places changed s much?
I think the great change is mainly due t human effrts t prtect and restre the envirnment. Peple may have carried ut large-scale tree-planting and grass-grwing prjects t stp desertificatin. Over time, these effrts helped bring back the vegetatin, imprve the sil, and make the river clear again. It shws that with care and hard wrk, we can turn a bad envirnment int a gd ne.
3. Hw has yur hmetwn changed ver time?
My hmetwn has changed a lt. It used t be a small twn with narrw rads and few green areas. Nw, the rads are wide and clean, and there are many parks and trees everywhere. There are als mre tall buildings and mdern facilities. Life is much mre cnvenient, but we als pay mre attentin t prtecting the envirnment t keep ur hmetwn beautiful.
The phts shw changes in Li Rui's hmetwn ver the years. What are the changes? Hw d they make yu feel?
Li Rui's hmetwn was cvered with sand many years ag. But nw it is cvered with beautiful trees. Mre and mre peple are living here. I'm amazed and I feel happy.
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?
Listen t a telephne cnversatin. Then answer the questins.
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.
They are gd friends.
He last visited the place abut 20 years ag.
Rle-playing.
Hell, Gerge.Hi, Li Rui. Guess what! My father, Bb, and I are ging t visit yur hmetwn. Culd yu be ur guide?Sure! I'd lve t!Wnderful! Yu knw, my father's last visit was abut 20 years ag. He became a gd friend f yur grandfather.Grandpa will be s happy. They haven't seen each ther fr ages!Yes, and my father really wants t see hw the place has changed since he last visited.
Li Rui:Gerge:Li Rui:Gerge:Li Rui:Gerge:
Li Rui is nw shwing Gerge and his father arund her hmetwn. Listen t their cnversatin and cmplete the table.
40 minutes
have t travel far
supermarket
beautiful trees
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.Bb: 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!
Discuss the changes in 1c. Hw d yu think they happened?
Great changes have taken place in transprtatin, medical care, shpping and the envirnment.New rads make trips much faster; a new hspital and a supermarket bring easier daily life; tree-planting turns sandy hills green. These imprvements mainly cme frm lcal gvernment's infrastructure building, ecnmic grwth, lng-term eclgical prtectin, and the effrts f all lcal peple.
Rank the fllwing prblems frm 1 t 4, with 1 being the wrst. Give yur reasns.
water shrtage
farmland shrtage
lack f technlgy
1. water shrtage 2. sandstrms 3. farmland shrtage 4. lack f technlgyReasns: If there is nt enugh water, peple can't live r grw fd well. Sandstrms hurt peple's health and damage crps. And nt enugh land means nt enugh fd. Technlgy is imprtant, but peple can still wrk withut it.
Listen t the cnversatin between Gerge's father and Li Rui's grandfather. What prblems in 2a did they mentin?
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.
They mentined sandstrms and farmland shrtages.
Listen again and fill in the table. Hw has the envirnment affected lcal lives?
Discuss hw the prblems in 2b were slved.
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...
A: The area used t have terrible sandstrms very ften.B: What did they d t slve this prblem?A: They planted lts f bushes and trees n the bare hills. The trees can hld the sil and slw dwn the wind, s sandstrms have becme much less frequent nw.A: The twn used t face a serius farmland shrtage.B: What did they d t slve this prblem?A: They imprved the sil by stpping desertificatin and built reasnable farmland plans. Mre fertile land was develped, and they als used scientific farming t make the existing farmland mre prductive.
rugh /rʌf/ adj. 崎岖的
例句：The bark f the tree is rugh. 这棵树的树皮很粗糙。have a rugh time 过得不顺；经历困难in rugh 粗略地；草稿形式rughly /ˈrʌfli/adv. 粗略地；大约；粗暴地rughness /ˈrʌfnəs/n. 粗糙；粗暴易混辨析：rugh vs. tughrugh 侧重 “表面不平、路况差”，也可形容 “过程不顺、态度粗鲁”。tugh 侧重 “困难的、艰难的；坚韧的”，多形容任务、经历或人。易混辨析：rugh vs. ruderugh 形容 “言行不礼貌、粗鲁” 时，侧重 “不细致、缺乏教养”。rude 侧重 “冒犯、无礼”，语气更强，指直接违反社交礼仪。
be cvered with 被……覆盖
例句：The grund is cvered with thick snw. 地面被厚厚的积雪覆盖。易混辨析：be cvered with /be cvered bybe cvered with 侧重表面状态、景象（静态）翻译：布满、盖满（不突出 “谁去覆盖”）后接：覆盖物（雪、树叶、灰尘、植物等）be cvered by 被动动作、执行者 / 外力（动态来源）；也可表 “被…… 遮挡、由…… 承担”翻译：被（某人 / 某物）遮盖；由…… 承担后接：动作发出者、工具、遮挡物、机构
lack /læk/ n. 缺乏
例句：Lack f sleep made him tired all day. 缺乏睡眠让他一整天都无精打采。lack f… …… 的缺乏be lacking in… 在…… 方面不足lacking /ˈlækɪŋ/adj. 缺少的；不足的lack /læk/v. 缺乏；没有易混辨析：lack (n./v.) vs. shrt f (adj. 短语)lack 作名词时常用 (a) lack f sth.；作动词时直接接宾语 lack sth.。shrt f 是形容词短语，必须搭配 be 动词，结构为 be shrt f sth.。易混辨析：lack vs. needlack 侧重 “因不足而导致问题或无法完成某事”，语气偏书面。need 侧重 “客观上需要某物，不一定意味着已经短缺”，语气更口语化。
shrtage /ˈʃɔːtɪdʒ/ n. 短缺
例句：There is a shrtage f water in this area. 这个地区水资源短缺。a shrtage f + 名词 缺少……labr shrtage 劳动力短缺shrt /ʃɔːt/adj. 短缺的；不足的shrten /ˈʃɔːtn/v. 缩短；使变短易混辨析：shrtage vs. lackshrtage 侧重 “数量上的不足、供应短缺”，多指资源、物资、人员等具体事物。lack 侧重 “抽象或具体事物的缺乏”，可作名词或动词，适用范围更广。易混辨析：shrtage vs. scarcityshrtage 指 “暂时或局部的供应不足”，语气中性，可用于日常语境。scarcity 语气更强，常指因资源有限导致的长期短缺，多用于正式或经济语境。
supprt /səˈpɔːt/ n. & v. 支持
例句：He wrks hard t supprt his whle family. 他努力工作养家糊口。The prject gt lts f supprt frm lcal peple. 这个项目得到了当地人的诸多支持。supprt sb. t d sth. 支持某人做某事give supprt t sb. 给予某人支持in supprt f 支持；赞同win supprt 赢得支持supprter n. 支持者；拥护者；粉丝supprtive adj. 支持的；鼓励的supprted adj. 受扶持的；被支撑的易混辨析：supprt 与 help（二者都可表示 “帮忙”，侧重点不同）supprt 侧重立场、精神、资金、行动上的拥护与扶持，也可表示物体 “承重、支撑”，还可指 “养家”。help 泛指日常动手协助、解决具体难题，使用范围最广，仅侧重实际帮忙。
Review the wrds learned in this class.Preview the cntent fr the next class.