Unit 8 preparing for the topic （课件） 新教材仁爱科普版七年级英语下册

Unit 8 Our Blue Planet 第一课时 Preparing for the Topic planet /'plænɪt/n.行星              ocean  /'əuʃn/n.大海，海洋(the  ocean) metre  /'mitə(r)/(meter  AmE)n.(20)  kilometre   /kɪˈlɒmɪtə(r)/;/kɪˈlɑːmɪtər/ (kilometer      AmE)n.千米；公里   (20)   through /θru:/prep.穿过；贯穿      (20)  eastern   /'i:stən/;/'i:stərn/adj.东方的；东部的 7.freshwater /ˈfreʃwɔːtə(r)/adj.淡 水的 ( 2 0 ) *million /'ˈmɪljən/num一 百万        inland /ˈɪnlənd/adj.(在)内陆的/ˈɪnlənd/adv.向(或在)内陆      north-east /ˌnɔːθ ˈiːst/n.东北；东北方；东北地区      large /la:dʒ/;/la:rdʒ/adj.大的，大量的；大号的；广泛的，众多   deep      /di:p/adj.深的，厚的；纵深的，宽的adv.深深地；至深处             wide      /waid/adj.宽的；宽阔的       a million +名词复数 millons of+名词复数 Listening&Speaking   Famous waterscape Activity  1 A.Match the places(a-e) with the pictures  at  the  top  of the next page. a.The Pacific Ocean c.The  Nile  River d.Lake Baikal b.Niagara   Falls e.The  Bohai Sea B.Read the descriptions and choose the correct places above. 1.It is a 99-meter-high  waterfall in  North America. 2.It is 6,671 kilometers long.It runs through  eastern  Africa.  3.It's an old freshwater lake on the earth. It is  over 25 million years old. 4.It is an inland sea in the north-east of China. _ 5.It is very large and deep.It is one of the four  oceans on the earth. 穿过；通过 c . Pair work.Listen  and  repeat,and  then  replace  the  partsin  bold It's  6,671 kilometers  long Kangkang,what do  you know about the Nile  River? How long is it? It   runs through  eastern Africa. 1)how long意为“多长”,用来对物体的长度提问， 也可以对时间的长短提问。 例如： —How  long  is  the  Yellow  River?黄河有多长? —It's 5,464 kilometers long.它有5464千米长。 —How long does it take you to get to school  from your home? 你从家到学校需要多长时间?  —It  takes  me  about  20  minutes.大约需要20分钟。 2)在英语中，表达物体的长、宽、高等概念时，可用 “数字+单位+long/wide/high   (tall) 等形容词”来表示。 例如： Li Ming is about 1.8 metes tall.李明身高一米八左右。 Our classroom is 7 meters wide and 9 meters long. 我 们 的 教 室 宽 7 米 、 长 9 米 Activity  2   Listen to the conversation and complete  the  table. The River ※ kilometers long ※A river of China ※ About kilometers wide at some places Li Xiang:Lingling,look at the map.What is this river called? Lingling:Oh,we call it the Yellow River. Li Xiang:Can you tell me more about it?  Lingling:It's  5,464  kilometers  long. Li Xiang:Over five thousand  kilometers? It's really a long river.  Lingling:Yes.It is a mother river of China. Li Xiang:Yes.We all know the Yellow River is one of our  mother rivers. Lingling:Do you know how wide it is? At some places, it is as wide as about 20 kilometers.  Li   Xiang:Wow!That's amazing! call v. 给…命名；称呼；把…叫做 call sb./sth.+名字 Theydecided to call the baby Mark. We call each other by our first names here. 2. 给......打电话 My brother called me from Spain last night. 3. 打电话叫... I'll call a taxi for you.我来打电话给你叫辆出租车。 I'll call you a taxi.我来打电话给你叫辆出租车 n.打电话；电话 give sb/ make a call 给某人打电话 Activity  3 Pair work.Look at the picture and talk about  Huangguoshu Waterfall.The expressions in the box may help you. Useful Expressions   in Guizhou,China about 100 meters wide  about 80 meters high 国家中小学课程资源 北京市仁爱教育研究所 Unit 8 Our Blue Planet 第2课时 Function & Pronunciation everywhere   /ˈevriweə(r)/;/ˈevriwer/ adp.到处 ground       /graund/n.地，地面 into         /ˈɪntə;'intu:/prep.到……里面，进入(22) form          /fɔːm/;/fɔːrm/v.(使)形成；产生；建 立 cloud      /klaud/n.云；云彩               *ice  /ais/n.冰                 drop /drɒp/;/dra:p/n.滴，水珠v.(使)掉落 ; full /ful/adj.(有)大量的，丰富的；充满的； 完全的                           使变弱，降低，减少 At last the wind dropped.风势终于减弱了。      dropping drops dropped Function Let's save water Activity 1   Pair work. Look at the pictures and talk about where water comes from.  the ocean /river/rain/ice/lake....   Activity 2  Listen  to  the  conversation  and  answer   the  question. What are Xiao Ya and her mom talking about?  Activity  3 Listen  and  read,and then complete the summary. XiaoYa: Mom,where does water come from? Mom: There is water everywhere.It's under the ground,in the ocean and in the sky.  Xiao Ya: But I can't see any water in the sky. Mom:  It's in the air.On sunny days,water goes up in to the sky and forms clouds. XiaoYa: I see.As we all know,water is very important  to us.  Mom: Yes.We need to drink water every day. Xiao Ya:We also need to use a lot of water in our life. 1)be important  to sb.意为“(某事物)对某人来说很重要”。例如： This family photo is important to me. 这张全家福对我来说很重要。 2)“It is important for sb.(to do sth.)”意 为 ( 做 某 事 ) 对 某 人 来 说 是 重 要 的 " 。  例 如 ： It is important for us to exercise every day. 每天锻炼对我们来说是重要的。 Mom:    That's right.It's lucky that we have a lot of  water on the earth. Xiao Ya:Yes.Just because of this,we  call the earth a blue planet. Mom:    But we can only use about 1% of the water on the  earth. The rest is all sea water or ice. Xiao Ya:That is very little water.Let's save every drop of water. luck n. luckily adv. Water is                        .It is under the  ground,in  the                     and  in  the  sky.On sunny days,water goes up into the sky and forms                   .We need to drink water every day and we also use a lot of water in our life. The earth is a blue planet.It is full ofwater.But we can only use about                   of the water on it.We need to  save every                 of water. Activity  4  Pair work.Talk about the questions  and make up a new conversation about water. 1.Where is water from?                              2.How important is waterto us? 3.Why do we need to save water? Pronunciation Phometic symbols(/ɔ://ɔ:l//a://wo//tʃ/ /d3//g//f//t/)    &Intonation Activity 1 Listen to the chant.Pay attention to the pronunciation of the colored letters Some children walk down from the bridge.  At the river they start to watch. They always want to catch a fish. So they sit down and make a wish. Right then,they see one large enough.  Guess what!They catch it and laugh! Activity 2   Listen and read the sounds and wordsaloud. Letter(s) al ar wa ch/ tch dge/g gu gh t Sound /ɔ:/ /ɔ:l/ /a:/ /wD/ /tʃ/ /dz /g/ /f/ /t/ Word walk talk also always start dark want watch chess catch bridge judge large age guess guide laugh enough right fight Activity  3  Listen and circle the word with a different sound in each group. 1./ɔ:l/ always talk also 2./a:/ part around large 3./tJ/ chair school teach 4./dʒ/ bridge orange guess 5./g/ gun guest age       6./f/ high laugh tough Activity 4    Read the sentences aloud and mark the last word with a rising  tone(     )or  a  falling  tone(      ),and then listen and check. 1.Look at this river on the map. 2.Are there any people in the desert? 3.Turn off the tap when you brush your teeth. 4.What about making a poster about saving water?  5.Water comes from rivers,lakes and oceans. Homework 1.背诵并默写今日所学词汇、句型。 2.背诵今日所学的所有篇目。 国家中小学课程资源 北京市仁爱教育研究所 国家中小学课程资源 北京市仁爱教育研究所 $$