Unit 7 Section A（Pronunciation-2e）（精讲课件）-【精品课】2024-2025学年七年级英语下册同步精品课件（人教版2024）

Unit 7 A Day to Remember (Section A Pronunciation-2e) 学 习 目 标 通过本课时学习，学生能够： 1. 在看、听、说的活动中，学会 （1）3个辅音字母c, g, x及字母组合ck的发音,及单词germ的发音及拼写。 （2）动词的过去式中-(e)d的发音及否定形式的缩写发音及单词used的发音及拼写； 2. 通过听说，获取并梳理学校旅行时间、地点、活动及流程的相关表达； 3. 通过深入语言学习，学会谈论并评价学校旅行； 4. 在老师的指导下，谈论自己所经历的一次学校旅行。 已知 未知 话题背景 学生对研学活动有所了解，对研学要涉及到的内容也有所涉猎。 未认真谈论过自己所经历过的研学旅行。 话题词句 What did you see? It was really interesting. wastewater, plant, into, remove, piece, waste, machine, germ, step, used to, realize, inside, go on a trip, process, theatre, factory 话题内容 学生对谈论研学和评价句型有所了解。 学生对如何谈论过去研学活动及哪些方面可以谈论还较为欠缺。 学 情 分 析 感知并学习3个辅音字母c, g, x及字母组合ck的发音。 归纳总结动词过去式中-(e)d的发音。 通过主题对话学习谈论研学活动的相关方面及表达。 教 材 分 析 学习并归纳助动词、情态动词及be动词肯定形式的发音和否定形式缩写的发音。 Look, listen and say Q1. Who are they? Q2. Where are they? Q3. What are they doing? They’re a teacher and students. They’re at school. They’re talking about a school trip. /trip/ Listen, look and say 1. Where was the boy? 2. What did he do? He picked a clock. He was in a clock shop. What did they do before the trip? Listen, look and say 1. Where was the boy? 2. What did he do? He was in a bike store. He picked a nice bicycle. Listen, look and say 1. What did the boy work as? 2. What did he do? He worked as a cook. He caught a fish. What did they do during the trip? Listen, look and say 1. How many students can you see? 2. How did they sit? Six. They sat next to each other. Listen, look and say What did they do? They played games and gave food to each other. Listen and number the pictures in the order you hear them. What did they do before and during the school trip? 3 2 1 4 5 What is the common pronunciation of these letteres? Six students sat next to each other. Students of all ages played games and gave food to each other at a large park. The cook caught a fish. The boy picked a clock. The boy picked a nice bicycle. /dʒ/ /g/ /k/ /k/ /s/ /ks/ /s/ Look and say /s/ /ks/ /ks/ /g/ /k/ /k/ /dʒ/ /g/ /dʒ/ /s/ 检测学生单词发音和意义的匹配 clean piece black great germ /dʒɜːm/ box 巩固单元音发音 Game: Who can read these words below correctly? cook catch car carrot count class chocolate conversation nice bicycle city center cinema pick clock rock duck check game give get great green ground group age large gym geography six next mix box fax exercise Can you think of more words? How do we pronounce the verb? picked talked /t/ /t/ Can you think of more verbs with-(e)d that have the same pronunciation? /t/ talked picked helped stopped finished Do all the verbs with -(e)d pronounce the same? Discuss and find out the rules of the pronunciation of -(e)d. If a verb is ended with voiceless consonants /k/, /p/, /ʃ/, -(e)d is pronounced as /t/; The rules of the pronunciation of -(e)d. * If a verb is ended with voiceless consonants___________, -(e)d is pronounced as _______; * If a verb is ended with voiced consonants ____________ or vowel sound like _______, -(e)d is pronounced as ____. * If the final syllable of a verb ends in _________ , -(e)d is usually pronounced as _______; /t/ /aɪ/, /ɔɪ/ /ɪd/ /k/, /p/, /ʃ/ /v/, /m/, /l/ /d/ /t/ or /d/ Game: Who can pronounce these words correctly? looked played jumped studied visited watched moved lived danced finished washed brushed cooked cleaned listened worked talked brushed collected Can you think of more words? 字母（组合）发音规律 c 在元音字母e、i或y前，常发/s/，如nice、advice、center、city、cycle、fluency等。 在以下情况中常发/k/ A. 在元音字母a、o、u前，如car、cabbage、cost、second、 cover、cup、cut、culture等。 B. 在辅音字母前，如act、attract、physics、picnic、 picture、practice等。 C. 在单词末尾时，如music、basic、historic、magic等。 ck 一般发/k/，如back、lock、luck、neck、pocket、ticket等。 g 一般发/g/，如goal、grade、jog、hungry、progress等; 在e、i、y前常发/dʒ/，如large、change、general、engine、magic、gym、biology、energy等，但有几个常见词除外，如begin、get等。 x 一般发/ks/，如fix、next、taxi、explore等; 有时也发/ks/对应的浊辅音/gz/，如exam、example、exist等。 2 Listen and repeat. Notice the pronunciation of -(e)d. /t/ talked picked helped stopped finished /d/ moved climbed filled tried enjoyed /ɪd/ wanted visited tasted needed ended 规则动词过去式的发音： 遵循“清清浊浊”原则，即在清辅音后发/t/; 在浊辅音或元音后发/d/。 在/t//d/后发/ɪd/。 Read the coloured words. Then listen to the short conversations and circle the words you hear. 1. A: Hey, I thought you didn’t / did like maths! B: I do / don’t now. I was / wasn’t interested in it last year. 2. A: Hello. Aren’t / Are you Ella’s friend? B: I don’t / do know Ella! 3. A: I can / can’t go on the school trip tomorrow. B: Oh, you should / shouldn’t tell our teacher about that now. 写出下面单词的否定式。 is are was were do does did can could should is not— isn’t are not— aren’t was not— wasn’t were not— weren’t do not— don’t does not—doesn’t did not— didn’t can not— can’t could not— couldn’t shoud not— shouldn’t 英语系动词、助动词、情态动词的否定缩略式与其肯定式相比，有的音节数没有变化，有的音节数发生了变化，由一个音节变成两个音节，如下表所示。 动词形式 音节数没有变化 音节数有变化 肯定式 are were do can is was did could should have has 否定式 aren’t weren’t don’t can’t isn’t wasn’t didn’t couldn’t shouldn’t haven’t hasn’t What’s your unforgettable school trip? Pre-listening Let’s share school trip Where How What wastewater plant Pre-listening Let’s share Do you know this place? ?? Watch aVideo Prediction Fu Xing Helen wastewater plant [weist ˈwɔ:tə plɑnt] What are they talking about? What can you see in a wastewater plant? clean water screen [skriːn] machines [məˈʃiːn] remove large pieces of waste from... remove germs and other things from... Look & Predict Whose trip: ___________________ Where: _______________________ What: ________________________ How: ________________________ Fu Xing Helen Fu Xing’s or Helen’s? To the wastewater plant ? ? 2a Listen to the conversation and fill in the blanks with correct adjectives. Helen: Hi, Fu Xing. How was your school trip to the wastewater plant? Was it boring? Fu Xing: No, it wasn’t at all. It was really interesting! Helen: Wow! What did you see? Fu Xing: We saw the plant make dirty water ________ again. Helen: Really? How? Fu Xing: Well, first, _______ water from our homes goes into the plant. Then, special screens remove large pieces of waste from the water. Helen: What happens next? Fu Xing: Well, ________ machines remove germs and other things from the water. These things are usually too _______ to see. It takes a few more steps after that before the water becomes clean again. Helen: Wow! I used to think it was ______ to get clean water. Fu Xing: Me too! I didn’t realize it was so ______. clean large small dirty easy hard While-listening Let’s check clean dirty large small easy hard very small The word "germs" in the dialogue refers to ______. small Whose trip: ___________________ Where: _______________________ What: ________________________ How: ________________________ Fu Xing’s To the wastewater plant ? Interesting Read for key information What is a wastewater plant used for? Read and asnwer It’s used for ____________________________. t used for? making dirty water clean again. waste water How does it work? The plant makes ... home ... goes into ... ... remove ... from the water. 2b Read the conversation and match. ... remove ... from the water Let’s put the pictures in order. ...makes...clean again. a ... remove ...from the water. c ...remove...from the water. d home .... goes into ... b Let’s retell the steps. First， Then， Next， Finally， Put the sentences in 2b in the right order based on the cleaning process. 2 4 3 1 5 How many steps (/step/) are needed to make waste water clean again? ◎First, _____ water from our homes ________ the plant. ◎Then, special screens ________ large ______ of waste from the water. ◎____, large ________ remove ______ and other things from the water. ◎After that, it takes a few more ______ to make the water become clean again. dirty goes into remove pieces Next machines germs steps We can use these words to talk about the process. Watch the video of Unit 7 A 2a. Mime and role-play it. Complete the summary of the conversation in 2a. Last week, Fu Xing’s class went on a school trip to a ____________ plant. The plant turned dirty water into clean water. Fu Xing learnt about the cleaning process: First, dirty water goes from people’s ___________ to the plant. Then the plant uses screens to remove large pieces of ___________ from the dirty water. Next, large ___________ clean the water. They remove ___________ and other small things. It takes a few more ___________ before the water becomes clean again. wastewater homes waste machines germs steps 用于表示顺序的衔接词（first， then， next，before）用于描述步骤。 What do you learn from Fu Xing’s school trip? It’s not easy to turn dirty water into clean water. So save water! 2b Listen and imitate. Helen: Hi, Fu Xing. How was your school trip to the wastewater plant? Was it boring? Fu Xing: No, it wasn't at all. It was really interesting! Helen: Wow! What did you see? Fu Xing: We saw the plant make dirty water clean again. Helen: Really? How? Fu Xing: Well, first, dirty water from our homes goes into the plant. Then, special screens remove large pieces of waste from the water. Tips: 1. Show feelings with tones (语调) and modal particles(语气词) 2b Listen and imitate. Helen: What happens next? Fu Xing: Well, large machines remove germs and other things from the water. These things are usually too small to see. It takes a few more steps after that before the water becomes clean again. Helen: Wow! I used to think it was easy to get clean water. Fu Xing: Me too! I didn't realize it was so hard. Tips: 1. Show feelings with tones (语调) and modal particles(语气词) 2. Show feelings with stress(重音) Analyze At first, what does Helen think about the school trip? What does she think at the end of the conversation? Is Fu Xing a good teller? explain the process clearly and logically Is Helen a good listener? give proper feedback 2e Real play-Talk about a school trip you took to a special place. What happens next? Wow! Really? How? good listener explain the process clearly and logically First...Next...Then... good speaker A: How was your school trip, XX? B: It’s .... A: Where did you go? B: … A: What did you do/see? B: … … A: … give proper feedback How do we talk about a school trip to a special place? What questions can you ask? Discuss and share Imitative writing according to the trip you have to a special place. (1) How was your school trip to the wastewater plant? It was really interesting. _____________________________________________________(2) What did you see? We saw the plant make dirty water clean again. (3) I used to think it was easy to get clean water. _____________________________________________________(4) I didn’t realize it was so difficult. _____________________________________________________ How was your school trip to the ...? It was ... I used to think it was ... to ... I didn’t realize it was ... What did you do? We did ... Visiting a science m_______(博物馆) is meaningful and we can learn a lot from it. The guide always helped tourists have a good time on the t_____(旅行). We built the power p_____ 50 years ago for this country. Li Jin volunteers to pick up litter like w____ paper in the park twice a week. It’s convenient to use a washing _________ (机器 ) to wash clothes. Wastewater from this f______ polluted (污染) the fields around here. 一、根据句意及所给提示填空。 随堂练 useum rip lant aste machine actory The cooking apps give useful instructions. We can follow them ______ ____ ___ (一步一步地). I ____ ___ ___ __ (去旅行) with my parents during the vacation. There ___ ___ ___ (过去常常) many people smoking in public, but now it isn’t allowed. 上周末，Jim和他的朋友们在饭店进行了聚会。 Jim ____ ____ ____ his friends at a restaurant last weekend. 一你是怎么为你的妈妈庆祝生日的，Jane? 一我给妈妈做饭。 一____ _____ you celebrate your mum’s birthday, Jane? 一I ______ _____ for Mum. 二、完成句子。 随堂练 step by step went on a trip used to be met up with How did cooked food HOMEWORK MUST-DO: CHOOSE-TO-DO: Listen to the tape and imitate the conversation. Rewrite the process in the watewater plant. Search for(查询) more information about watewater plant. 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