新外研社七年级英语上册Unit4 第四课时 Developing+ideas+listening课件

Unit 4Time to celebrateDeveloping ideas Ⅰ P69-71123Learning Objectives In this class, you willlisten to a conversation and learn how to agree and disagree.listen and get information about a green Christmas.talk about what you have learnt about new ways to celebrate festivals or holidays.1.What is the festival in the picture?It’s Christmas.2.When is the festival?It’s  on December 25th.3.What do people usually doduring this festival?Lead-inLet’s watch a video to know more about Christmas.What can you see in the picture?I can seea Christmas treea large mealsome giftsIn the West, people usually celebrate Christmas with their families. They put up a Christmas tree at home, share a large meal together, and give each other gifts. Nowadays, there are also some creative ways to celebrate.3.What do people usually do to celebrate Christmas?Listen to the news. What problems does Christmas bring?Welcome to News Today. Christmas is coming. It will bring joy but also waste and pollution. In the UK, for example, people use about 365,000 kilometers of paper for gifts during the festival. There's also a waste of food. People throw away millions of turkeys each year. And they cut down nearly 120 million trees to use as Christmas trees. But after Christmas, they often throw the trees away. People are buying plastic Christmas trees, but they can cause pollution, too. We should think about new ways of celebrating. Let's have a “green Christmas” this year. a. People shouldn't celebrate Christmas.b. Christmas could bring waste and pollution.c. All festivals create environmental problems.√/ɔː/ for more/ɒ/ problem along Pronunciation:Phonetics in useboard [bɔ:d]  长条木板 law [lɔ:]  法律corn [kɔ:n]  玉米 lord [lɔ:d]  统治者mall [mɔ:l]  商场 door [dɔ:]  门Phonetics in usecost [kɒst]  花费 doctor ['dɒktə]  医生hot [hɒt]  热的 sorry ['sɒri]  对不起model [‘mɒdl]  模型 office ['ɒfis]  办公室/ɔ://ɒ/Listen again and complete the poster. Then write F (fact) or O (opinion) in the boxes.365,000millions120buyingthinkgreenWelcome to News Today. Christmas is coming. It will bring joy but also waste and pollution. In the UK, for example, people use about 365,000 kilometers of paper for gifts during the festival. There's also a waste of food. People throw away millions of turkeys each year. And they cut down nearly 120 million trees to use as Christmas trees. But after Christmas, they often throw the trees away. People are buying plastic Christmas trees, but they can cause pollution, too. We should think about new ways of celebrating. Let's have a “green Christmas” this year. paper wastefood wastewood wastepollutionadviceLearning to learnFactsOpinionsA fact is true for everyone.An opinion is an idea about something.This is a cat.This is a cute cat.When giving opinions, people often use facts to support them.365,000millions120buyingthinkgreenFFFFOOListen to the conversation and complete the ideas. Then match the ideas to the people.bigboxesdrawplantoldThen talk about how the speakers agree and disagree.Great idea! OK. No problem. I don't agree. I'm not sure about that.Work in pairs. Talk about different ways to celebrate a festival or holiday.I think... is a new way to celebrate, because... I agree. Another idea is to...That's a(n)... idea! I'm not sure about that.I see it differently, because...Useful expressionsWork in pairs. Talk about different ways to celebrate a festival or holiday.The Lantern Festivalgo to the park with my family/buy lanterns and guess riddlesuse old lanternsReduce pollution and waste.Work in pairs. Talk about different ways to celebrate a festival or holiday.A: How do you usually celebrate the Lantern Festival?B: I usually go to the park with my family. We always buy lanterns and guess riddles.A: Me too. But this year, let's celebrate it in a different way.B: What's your idea?A: Let's use old lanterns.B: Good idea. We can reduce pollution and waste.SummarySummary Summary Language points1. …but also waste and pollution.(2) waste[名词〕浪费；滥用a waste of …浪費…整天看肥皂剧是浪费时间。 It’s time to watch soap operas all day.a waste of[及物动词] 浪费；滥用waste time/money on sth. 在…上浪費时间/ 金钱waste time （in）doing sth. 浪费时间做某事我们不应该浪费水。We shouldn’t water.waste2. … people in UK use about 365,000 kilometres of paper for gifts.Use①〔及物动词〕使用use…to do sth. 用...做某事use...as... 把…用作…我用电脑做许多事情。I use computers to do many things.②（名词〕使用；用处，用途这个房间供老师们使用。This room is for the use of the teachers.3. People throw away millions of turkeys.million〔数词〕百万million 与基数词连用时表示确切的数目，million 后不加-s，且不与of 连用。每年都有数百万来自世界各地的人来参观这个城镇。 people all over the world come to visit the town every year.millions of 数百万的表示不确切的数目，前面不能再加基数词。我们的城市大约有140万人。Our city has a population of about .1.4 millionMillions of4. People cut down nearly 120 million trees to use as Christmas trees.cut down是“动词＋副词”结构，宾语如果是名词，可以放在 cut 和down中间，也可以成在down后面；宾语如果是代词，则必须放在cut和down中间。每天人们都砍伐许多树。People lots of trees every day，① 砍倒cut down② 减少我们必须尽我们最大努力减少污染。We must try our best to pollution.cut down4. People cut down nearly 120 million trees to use as Christmas trees.（2）nearly 〔副词〕几乎；差不多；将近可以和 not 连用，not nearly 意为“远非，绝不是”。The bottle's nearly empty.这瓶子差不多空了。We save some money, but it‘s not nearly enough.我们存了一些钱，但还远远不够。5. Let's have a green "Christmas" this year.let's让我们，咱们 是let us的缩写，后面跟动词原形。Let’s do sth.是提建议的常见句型，意为“（让）我们做某事吧”，表示说话者和听者共同做某事。常用“Good idea./That's a good idea./Sounds great.” 等回答。Let's do sth.的否定形式为 Let's not do sth.， 意为“咱们不做某事吧”。--咱们看那部新电影吧。--Let's see the new movie.--Good idea. 好主意。