Unit 5 Function & Pronunciation 讲义 2026-2027学年仁爱科普版英语七年级上册

Unit 5 Love Mother Nature!　Function & Pronunciation 课时基本信息 课　　题 Unit 5 Love Mother Nature! — Function & Pronunciation 课　　型 功能与语音课（第四课时·45分钟） 年　　级 七年级上册 课　　时 第四课时 教　　材 仁爱科普版（2024）英语七年级上册 主　　题 人与自然——沙漠探秘与语音（What's the climate like in...?／十个音素与连读） 教学重难点 【教学重点】 掌握沙漠知识问答句型：What's the climate like in deserts? —It's usually dry, because there is little rain.／Is it hot in deserts? —Not always.／Can animals and plants live in deserts? —Deserts are home to some animals and plants.／How do people get water in deserts? —People usually live near the lakes.,掌握十个音素：/ɑː/／/ɔː/／/ɜː/／/ə/／/θ/／/ð/／/ts/／/dz/／/w/／/j/ 的发音要领与常见字母组合，了解连读（liaison）规则,掌握语言点：house/home/family 辨析、keep out、climate 相关问答 【教学难点】 如何引导学生准确区分不同句型用法差异,如何引导学生清晰辨析易混淆音标及词汇在不同语境中的含义与用法 词汇速览 climate /ˈklaɪmət/ n. 气候 house /haʊs/ n. 房子；住宅 window /ˈwɪndəʊ/ n. 窗户 keep out /kiːp aʊt/ 阻止（进入）；挡住 question /ˈkwestʃən/ n. 问题 wind /wɪnd/ n. 风 （一）话题导入 · 走进沙漠 【过渡语】看一组图片猜猜它们都与哪个地方有关。 Look at pictures. Which place might they be related to? —The desert.（沙漠） 看视频了解更多沙漠知识，激活背景：沙漠的气候、生物、人文。 【提示框】 听前先脑补一张「沙漠认知图」：气候干燥、昼夜温差大、骆驼仙人掌、房子窗户小——带着预期去听，抓信息更快。 （二）功能听说 · 沙漠问答 Activity 1 看图问答：1. What is it in Picture 1/2? —The desert.　2. What is it like? —There are few trees and little water in the desert.　3. Can we live here? Why or why not? —Yes, because we can build houses in the desert.／No, because there is not enough water. Activity 2 Listen to the conversation and answer the question. 听对话回答：What are Miss Wang and her students talking about? —They are talking about deserts. Activity 3 Listen and read, and then complete the summary. 听读对话并补全摘要。 精读对话，归纳问答框架并注意 keep out 的用法。 沙漠问答对话 Miss Wang: Today, we are talking about deserts. Do you have any questions about deserts? Kangkang: What's the climate like in deserts? Miss Wang: It's usually dry, because there is little rain. Kangkang: Is it hot in deserts? Miss Wang: Not always. There are cold deserts. It is hot in summer but very cold in winter. Xiao Ya: Can animals and plants live in deserts? Miss Wang: Yes, they can. Deserts are home to some animals and plants. Lulu: Can people live in deserts, too? Miss Wang: Yes. In deserts, most houses have small windows to keep out the sun and the wind. Li Xiang: How do people get water in deserts? Miss Wang: There are lakes in some deserts. People usually live near the lakes. 【提示框】 沙漠知识记两条：①气候 dry（little rain）、冷沙漠夏热冬冷；②生存环境——动物植物能安家、人住小窗房子挡太阳挡风、傍湖而居取水。 补全摘要：little／hot／windows／near。 Activity 3 补全摘要：Deserts are very dry because it rains __________. But it is not always hot in deserts. In some deserts, it is _________ in summer but very cold in winter. Some animals can live in deserts and people can live there, too. The houses often have small __________. People usually live _________ the lakes in deserts. 沙漠知识问答对话页 （三）功能输出 · 思维导图复述与小组讨论 Listen again and complete the mind map. 补全思维导图：Climate—dry: little rain／hot in summer／cold in winter；Living-Environment—Animals and plants: Be home to animals and plants.／People: Live in houses with small windows to keep out the sun and the wind.／Live near the lakes to get water. Retell the conversation with the help of the table. 借助表格复述对话。 Activity 4 Group work. Discuss more information about deserts and report it in your class. 小组用问答支架讨论并汇报：A: What's the climate like in ...?　B: It's usually ..., because ...　A: Is it ... in ...?　B: Not always/Yes/No...　A: Can animals and plants live in ...?　B: Yes/No, they can/can't. ... are home to ...　A: Can people live in ..., too?　B: Yes/No. In ... 【提示框】 描述自然场所的两个大方面记牢：Climate（气候）＋Living-Environment（生存环境：动植物＋人类）——上节课五要素可归并进这两栏。 沙漠对话精读页 （四）语音学习 · /ɑː/ /ɔː/ /ɜː/ /ə/ 【过渡语】进入语音板块，先攻四个长短视频里的元音。 学习 /ɑː/：舌身平放略后缩，舌后部稍抬起，舌尖不抵下齿，双唇向两旁平展稍收圆，牙床接近全开，长元音；常见字母 a，字母组合 ar／ear／au／al：park／car／star／clerk／heart／laugh／aunt／half／calf。 学习 /ɔː/：舌身压低并后缩，舌后部抬起（比 /ɒ/ 更高），双唇收得更圆更小呈中圆口形并向前突出，声带振动；常见组合 or／oor／al／ar／au／aw：horse／corn／pork／door／floor／tall／call／walk／warm／quarter／daughter／because／draw。 学习 /ɜː/：舌身自然平放，舌尖轻抵下齿底部，舌中部稍抬起，口型扁平、牙床开得较小、口腔肌肉较紧张，长元音；常见组合 ir／er／ur／or／ear／our：bird／girl／thirty／verb／nurse／word／work／learn／early／earth／journey。 学习 /ə/：舌位比 /ɜː/ 略低，发音轻而短，肌肉全放松，短元音；词首词中较模糊、词尾适当延长（ago／sister）；常见字母 e/a/i/o/u，组合 er／or／ur／ar／ou／our：family／potato／again／camera／success／autumn／driver／doctor／Saturday／grammar／colour。 【知识点】 ▶/ɜː/ 与 /ə/ 是一对长短音：/ɜː/ 紧张拉长（bird／girl／nurse），/ə/ 松弛短促（farmer／sister／doctor）——弱读音节里几乎都是 /ə/； ▶/ɑː/ 与 /ɔː/ 口形有别：/ɑː/ 双唇平展牙床全开（park／laugh），/ɔː/ 双唇收圆前突（horse／door／walk）； ▶ar 多发 /ɑː/（car／farm）但 warm 中 ar 发 /ɔː/——个别词单独记。 【提示框】 对着镜子练 /ɑː/—/ɔː/—/ɜː/—/ə/ 四连读：嘴从「大张开」到「收圆」到「扁平拉长」到「全身放松」，口形变化就是四个音的区别。 /ɑː/ 发音要领页 （五）语音学习 · /θ/ /ð/ 与 /ts/ /dz/ 学习 /θ/：舌尖轻抵上齿背或上下齿之间，气流从舌齿间缝隙通过，发摩擦音，清辅音声带不振动；常见组合 th：think／thank／three／math／bath／birthday／healthy／month。 学习 /ð/：发音部位同 /θ/，浊辅音声带振动；常见组合 th：the／this／that／these／those／they／them／than／then／smooth／breathe。 学习 /ts/：舌尖抵上齿龈形成阻碍后迅速离开，气流冲出成爆破音，清辅音；常见组合 ts／tes：cats／hats／dates／rates。 学习 /dz/：发音部位同 /ts/，声带振动，浊辅音；常见组合 ds／des：beds／friends／reads／rides／hides。 【知识点】 ▶th 两种读音按词义记：实词多发清音 /θ/（think／three／month），代词功能词多发浊音 /ð/（this／that／these／those／they／them）——「指人的 th 多发浊」； ▶/ts/／/dz/ 是名词复数 -s 的两个读音尾巴：清辅音后读 /ts/（cats／hats），浊辅音后读 /dz/（beds／birds／friends）。 【提示框】 咬舌尖练 th：/θ/ 不振动（think 轻轻咬），/ð/ 振动（this 嗓子麻）——手指轻放喉咙上感受差别；/ts/／/dz/ 别读成中文「茨／兹」，要短促弹开。 字母发音对应表跟读页 （六）语音产出 · /w/ /j/、连读与辨音 【过渡语】最后两个半元音和连读技巧，学完就能把句子读得溜。 学习 /w/：舌后部向软腭抬起，双唇突出呈小圆口形，发音短暂并滑向后面的元音，浊辅音；常见字母 w／wh：water／wallet／what／where。 学习 /j/：舌前部向硬腭抬起，双唇呈扁平口形，发音短暂滑向后面的元音（又称半元音），浊辅音；常见字母组合 y／ew／eu：yogurt／year／you／ewe／Europe。 Activity 1 Listen to the chant. 朗读并表演歌谣：That thin farmer visits the farm. A lovely, white horse stands with him. Many birds are singing near them. And he is having a good time. Activity 2 Listen and repeat. 跟读字母发音对应表（ar—farm dark／or—horse north／ir—bird girl／er—farmer sister／th—thin think, that these／ts—visits its／ds—stands birds／w/wh—with swim, white when／y—year you）。 Activity 3 Read the following sounds aloud and spell the words. 听音拼词：/pɑːk/ park／/hɔːs/ horse／/ɡɜːl/ girl／/θriː/ three／/kæts/ cats／/bɜːdz/ birds（原文标 /bɜːdz/）／/'wɔːtə(r)/ water／/ˈjeləʊ/ yellow。 Activity 4 学习连读（liaisons）：Try to link the ending consonant of a word to the beginning vowel of the next word.（把前一个词的词尾辅音与后一个词的词首元音连读）练读：Talk about nature.／It is usually hot and dry.／Trees are home to some animals.／The forest is a beautiful place.／Some animals live in deserts. Select the option with a different pronunciation from the others. 辨音选择五题。 【提示框】 连读口诀「辅尾接元首」：Turn‿about、It‿is、Trees‿are——前词尾辅音和后词首元音粘在一起读，句子立刻自然。 辨音选择：1—5 D D D B C。 辨音选择（圈出发音不同的选项）：1. A. window　B. know　C. turn　D. spring｜2. A. doctor　B. on　C. want　D. all｜3. A. beaches　B. boxes　C. washes　D. hopes｜4. A. blue　B. wood　C. pollute　D. food｜5. A. brightly　B. dry　C. noise　D. shine 连读规则学习页 （七）语言点讲解 · house 与 keep out 【过渡语】对话里 houses have small windows to keep out the sun 藏着本课语言点。 学习语言点：In deserts, most houses have small windows to keep out the sun and the wind. 沙漠里大多数房子都有小窗户来阻挡阳光和风。 辨析 house／home／family（衔接 u5s1 语言点）。 【知识点】 ▶house 指所居住的建筑物本身：—There is a beautiful house near the river.（考题语境：a beautiful house 指「房子」这一建筑物）；home 指出生或居住的地方，有感情色彩，另有 be home to（……的家园）；family 指「家人；家庭」； ▶keep out 意为「阻止或防止进入；挡住」：small windows to keep out the sun and the wind 小窗户用来挡住阳光和风；Forests can keep out the strong wind and protect our homes.（森林能挡住大风保护我们的家园）； ▶What's the climate like in ...? 用来询问某地气候：—What's the climate like in Beijing? —It's cloudy. 【提示框】 keep out＝挡在外面别进来（风进不来）；别与 keep on（继续）混淆——out 表方向「向外挡」。 沙漠对话语言点页 （八）随堂检测 单项选择：1—5 A C A A D；第 6 题：Is it hot in deserts?；填写单词：1. question(s)　2. wind　3. there is　4. Forests。 单项选择 1. —Look! There is a beautiful ______ near the river. Do you know who lives in it?　—Maybe it's Mr. Green's. He likes quiet places. 　　A. house　　B. home　　C. family　　D. room 2. —Why do you dislike that old ______?　—Because it has ______ and it's always dark inside. 　　A. big window　　B. small window　　C. small windows　　D. big windows 3. Could you help me ______ my book from the teacher's office? 　　A. get　　B. take　　C. carry　　D. bring 4. —______ the climate ______ in Beijing?　—It's cloudy. 　　A. What's, like　　B. What's, look like　　C. How's, like　　D. Both A and C 5. —What can forests do for us?　—They can ______ the strong wind and protect our homes. 　　A. go on　　B. go out　　C. keep on　　D. keep out 6. 把 It's hot in deserts. 改成一般疑问句：__________________________________ 根据句意及汉语提示填写单词 1. Can you answer my ________ (问题)? 2. The ________ (风) is too strong for us to walk. 3. The deserts are usually dry because ________ (有) little rain. 4. ________ (森林) are important for us. 语言点归纳 课堂总结 本课分功能与语音两大板块：功能板块围绕沙漠展开——师生问答（What's the climate like in deserts? —It's usually dry, because there is little rain.／Is it hot in deserts? —Not always. There are cold deserts. It is hot in summer but very cold in winter.／Can animals and plants live in deserts? —Deserts are home to some animals and plants.／In deserts, most houses have small windows to keep out the sun and the wind.／There are lakes in some deserts. People usually live near the lakes.），归纳从 Climate 与 Living-Environment（生存环境：动物植物／人类）两方面描述自然场所，并补全摘要（little／hot／windows／near）与思维导图后复述；语音板块学习 /ɑː/（a；ar, ear, au, al）、/ɔː/（or, oor, al, ar, au, aw）、/ɜː/（ir, er, ur, or, ear, our）、/ə/（e, a, i, o, u；er, or, ur, ar, ou, our）、/θ/／/ð/（th 清浊之分）、/ts/／/dz/（ts/tes、ds/des）、/w/（w, wh）、/j/（y, ew, eu）十个音素及连读规则（把前一个词的词尾辅音与后一个词的词首元音连起来读）。 学科网（北京）股份有限公司 $