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2019-2020年高中英語 Unit25 At the conference教案 北師大版必修2 一、教學(xué)目標(biāo)與要求 通過本單元教學(xué)，進(jìn)一步學(xué)習(xí)情態(tài)動(dòng)詞的用法。學(xué)生能初步掌握情態(tài)動(dòng)詞表判斷推測(cè)的用法。要求學(xué)生能用自己的語言復(fù)述課文。正確完成練習(xí)冊(cè)編排的練習(xí)。 二、教學(xué)重點(diǎn)與難點(diǎn) 1．重點(diǎn)詞匯 organize；repeat；attend；suppose；earn；send out；get through；ringback；make up；out of breath 2．重要句型 1）What a lot of information to send out！ 2）Would you mind giving a talktoday about DNA？ 3）You must be joking！ 4）You can’t be serious！ 3．語法 學(xué)習(xí)must，may，might，can’t，could等情態(tài)動(dòng)詞的用法。 4．日常交際用語 打電話（Making telephones）：1）Can you ring up…？I can’t getthrough．2）The line’s busy．I’ll try again later．3）Could I speak to…，please？4）Holdon please．5）Can I take a message？6）This is…speaking．7）Can you ask…to ring meback，please？ 三、課型 （一）對(duì)話課 Ⅰ．教具 錄音機(jī)，投影儀，電話機(jī)。 Ⅱ．課堂教學(xué)設(shè)計(jì) 1．教師通過以下步驟導(dǎo)入本課： 向?qū)W生提出下列問題：1）Suppose you will organize a meeting and you want to ask somepeople to e and make speeches．What do you have to do？（send out lots of invitations）2）And what other things do you have to do if you want your meeting to be a successful one？（rent meeting halls；book hotels；order meals；arrange buses；make time-tables；selectspeakers；print materials；plan outdoor activities，etc．） 由學(xué)生充分討論，得出他們自己的意見。括號(hào)里的內(nèi)容供教師參考。 2．準(zhǔn)備放對(duì)話錄音。借助投影片打出以下聽前提問：1）How many guests are they goingto invite？2）How many buses do they need？ 放錄音一至兩遍，請(qǐng)學(xué)生回答上述問題，教師予以必要訂正。 Key：1）They are going to invite over two hundred guests．2）They need two buses tomeet the people at the station． 3．再次放對(duì)話錄音，學(xué)生跟讀。將學(xué)生分為兩人一組練習(xí)對(duì)話。數(shù)分鐘后，請(qǐng)兩、三組同學(xué)到前面表演。 教師指導(dǎo)學(xué)生歸納本課中出現(xiàn)的有關(guān)打電話時(shí)的常用語句（見日常交際用語部分）。也可為學(xué)生設(shè)計(jì)一些情景，由同學(xué)編寫對(duì)話。 情景1：You want to visit the History Museum and you make a phone call，asking aboutthe price of tickets；any cheaper tickets for students；the time the museum is open to public；whether it closes at weekends；what are on show and other things you want to know． 情景2：You are supposed to organize a class-meeting next Monday．You make a phonecall to your teacher，telling him／her your plan and ask for your teacher’s opinions． 經(jīng)數(shù)分鐘練習(xí)后，教師請(qǐng)幾位同學(xué)借助電話機(jī)到前面進(jìn)行表演，教師予以講評(píng)。提醒學(xué)生在打電話時(shí)不可對(duì)視。也可鼓勵(lì)學(xué)生自己設(shè)計(jì)其他情節(jié)編寫對(duì)話。 4．要求學(xué)生將該課對(duì)話以瑪麗的口吻改寫為一篇短文。教師可給予必要的提示。 提示語：1）be busy organizing a conference；2）send out lots of invitations；3）make aphone call to bus pany；4）can’t see clearly a name；5）Lizzy helps me． 給出首句：We are very busy now because we are organizing a large medical conference． 要求學(xué)生根據(jù)對(duì)話，參照老師所給提示及首句，編寫短文。 Model： We are very busy now because we are organizing a large medical conference．We haveover two hundred invitations to send out，Lizzy asks me to ring up the bus pany，for weneed two buses to meet the people at the station．I have tried，but I can not get through．The line is busy．And I can’t see clearly a name of the guest and ask Lizzy to help me．She issure the letter must be a“D”． 當(dāng)堂要求學(xué)生完成，如時(shí)間允許，可請(qǐng)幾位同學(xué)朗讀自己的短文，教師予以講評(píng)。 5．布置作業(yè)1）預(yù)習(xí)第98、99課；2）完成練習(xí)冊(cè)中安排的練習(xí)。 （二）閱讀理解課（Ⅰ） Ⅰ．教具 錄音機(jī)，投影儀。 Ⅱ．課堂教學(xué)設(shè)計(jì) 1．檢查生詞及短語。 2．教師通過以下提問導(dǎo)入正課：Suppose there is a medical conference．What do youthink people will talk about at such a conference？ 板書學(xué)生提及的和醫(yī)學(xué)有關(guān)的話題，并借此復(fù)習(xí)有關(guān)詞語。以下供教師參考： （cancer；smoking and health；heart trouble；high blood pressure；food and health；sports and health；the problem of losing weight；how to protect eyes；effect of pollution onhealth；etc．） 3．教師給出讀前提問：1）Why did Dr．Baker think that the invitation was funny？2）Whycouldn’t the main speaker give the talk？ 教師給學(xué)生數(shù)分鐘，要求學(xué)生快速閱讀課文。之后請(qǐng)同學(xué)回答上述問題。 Key：1）Because usually Dr．Baker was not invited to such a medical conference．2）Themain speaker could not give her talk because her plane was very late as a result of bad weath-er at the airport． 4．放課文錄音，學(xué)生跟讀一至兩遍。教師就課文內(nèi)容提問，檢查學(xué)生的理解程度，并對(duì)某些問題進(jìn)行討論：1）Where was the medical conference held？2）Why did Dr．Baker lookat his diary after he got the invitation？3）What was his decision and what did he do then？4）Why do you think one or two people were surprised to see him？5）What happened on themorning of the second day of the conference？6）Do you think the organizer know Dr．Baker？How do you know？7）What did the organizer want Dr．Baker to do？8）Can you imagine howthe organizer would feel after Dr．Baker said，“You must be joking！I know nothing at allabout that subject”？ Key：（僅供參考）1）The medical conference was held in London．2）Because he wantedto see whether he would be free that week．3）He decided to attend the conference and repliedto the invitation，accepting it．4）Because they had never thought Dr．Baker would e tosuch a conference．5）The main speaker couldn’t arrive to give the talk because of bad weath-er at the airport．6）No，he didn’t．He politely asked Dr．Baker to step out to make himselfknown to the organizer．7）He wanted Dr．Baker to give a talk about DNA．8）He must beequally surprised at Dr．Baker because he could not understand a mistake had been made． 5．要求學(xué)生將本課中關(guān)于貝克博士在接到邀請(qǐng)信后感到有些奇怪的相關(guān)描寫列出。 6．以會(huì)議組織者的口吻，描述會(huì)議第二天的情況（上）。教師給予提示： 英文提示（用投影片打出）：1）the first day，OK；2）the main speaker would not be ableto arrive the second day；3）everybody was worried；4）invite Dr．Baker to give a talk；5）know nothing about DNA 將首句給出：The medical conference went on smoothly the first day．But on the morn-ing… Model： The medical conference went on smoothly the first day．But on the morning of the sec-ond day，we were told that the main speaker，Dr．Lively would not be able to arrive that daybecause of bad weather at the airport．It was already lecture time and everybody was wor-ried．Then we decided to invite Dr．Baker to give a talk on DNA instead．I knew Dr．Bakerwas in the hall．But when I told him this，he said he knew nothing about DNA and he wasnot Peter Baker but David Baker．Strange！ 學(xué)生先在小組內(nèi)交流并相互啟發(fā)、補(bǔ)充，然后請(qǐng)學(xué)生在班上交流。 7．布置作業(yè)1）復(fù)述本課課文；2）完成練習(xí)冊(cè)中所安排的練習(xí)。 閱讀理解課（Ⅱ） Ⅰ．教具 錄音機(jī)，投影儀。 Ⅱ．課堂教學(xué)設(shè)計(jì) 1．通過提問溫習(xí)第一部分課文內(nèi)容：1）What did Dr．Baker receive one day？2）Why didhe think that it was funny to send him this invitation？3）Did he go there at last？4）Whathappened on the morning of the second day？5）What did the organizer want Dr．Baker to do？6）What did Dr．Baker say to the organizer？ 2．檢查第一部分課文復(fù)述。 3．準(zhǔn)備閱讀At the conference（Ⅱ）教師給出讀前提問：1）Where did they discover themistake？2）Where did Dr．Baker work and what was his special field？ 教師給學(xué)生數(shù)分鐘，要求學(xué)生快速閱讀課文。之后請(qǐng)同學(xué)回答上述問題。 Key：1）They discovered the mistake at the organizer’s office．2）Dr．Baker worked atLincoln’s College in Tennessee and he was an expert on illnesses of the ear，nose and throat． 4．放課文錄音，學(xué)生跟讀一至兩遍。教師用投影儀打出以下statements，要求學(xué)生判斷其正誤。并對(duì)錯(cuò)誤的statements進(jìn)行修改：1）The mistake was made by the organizer．2）Dr．Baker was working in England．3）Both Dr．Baker and Dr．Lively were experts on ENT．4）Dr．Baker gave a very good talk the next day．5）Dr．Baker was likely to e to the sameconference the next year． Key：1）False（The mistake was made by someone else when the invitation list was be-ing done．）2）False（Dr．Baker was working in Tennessee，USA．）3）True 4）False（Dr．Baker gave a very good talk later that day．）5）True 5．以會(huì)議組織者的口吻，描述會(huì)議第二天的情況（下）。教師給予提示： 英文提示（用投影片打出）：1）discover the mistake；2）how the mistake was made；3）Dr．Baker，an expert on ENT；4）ask him for help；5）give a wonderful talk 將首句給出：Then we went to our office and discovered the mistake．Though I hadput… Model： Then we went to our office and discovered the mistake．Though I had put Dr．P．Baker’s name on the list of speakers，someone made a mistake and had written“Dr．D．Bak-er”instead when the invitation list was being done．However，he told me that he was an ex-pert on ENT，and Dr．Lively，the main speaker，was going to talk on that very subject thatday．When I asked him to help，he agreed．He gave a wonderful talk later that day and Iwished him to e again the next year． 學(xué)生先在小組內(nèi)交流并相互啟發(fā)、補(bǔ)充，然后請(qǐng)學(xué)生在班上交流。 6．布置作業(yè)1）復(fù)述整篇課文；2）完成練習(xí)冊(cè)中所安排的練習(xí)。 （三）語言訓(xùn)練課 Ⅰ．教具 投影儀。 Ⅱ．課堂教學(xué)設(shè)計(jì) 1．教師檢查課文復(fù)述。 2．教師從本單元詞語中選擇部分常見詞語，配以例句介紹給學(xué)生。要求學(xué)生反復(fù)練習(xí)這些例句，并請(qǐng)同學(xué)造句，教師予以講評(píng)訂正。 詞語：organize；send out；ring back；repeat；attend；attention；unable；serious；intro-duction；get through 例句：1）The meeting was badly organized．2）The professor organized his thoughts be-fore giving his lecture．3）The sun sends out light and heat．4）Will you send the children outto play？They are making too much noise here．5）He is not in．Why don’t you ring back af-ter 6 o’clock．6）Please repeat the following words after me．7）He decided to attend themeeting that day．8）He is very quiet and doesn’t draw much attention to himself．9）I am un-able to go with you．10）Are you serious？11）The introduction in a book tells us what thebook is about．12）The operator finally got me through．13）When you get through with yourwork，let’s go out． 3．根據(jù)第98、99兩課所提供的情節(jié)，描述貝克博士在這次醫(yī)療大會(huì)上的經(jīng)歷。 Ask the students to say something about Dr．Baker’s experiences at the medical confer-ence based on the text．The teacher may give students some hints to help them to do the sto-ry-telling． The hints：1）How did Dr．Baker feel when he got the invitation？2）Did he attend theconference or not？3）Why was he asked to give a talk instead and what happened to the mainspeaker？4）Was he an expert on DNA or was he an expert on ENT？5）Had the organizer in-tended to invite Dr．D．Baker at first？And why was there a mistake？6）Did Dr．Baker givea talk at the conference or not？How was his talk received？ Model： Dr．Baker was very much surprised to receive an invitation to the…Medical Confer-ence in London．However，he decided to attend the meeting himself．On the morning of thesecond day of the conference，the main speaker failed to arrive because of the bad weather atthe airport．So he was asked to give a talk instead．When the organizer asked him to give atalk on DNA，Dr．Baker told him that he was an expert on ENT．Later the organizer discov-ered the mistake．Though the organizer had put Dr．P Baker’s name on the list of speakers，someone had made a careless mistake and had written“Dr．D Baker”instead when the invi-tation list was being done．Anyhow Dr．Baker did give a talk that day and everyone at theconference was very interested in it． 4．書面表達(dá)練習(xí) 中文提示（用投影片打出）：1）班里一位新同學(xué)很少講話；2）班主任要他主持下周一班會(huì)；3）題目，臨近期末，談下學(xué)期打算；4）給班主任打電話，不想主持；5）其母又來電說想轉(zhuǎn)學(xué) 英文提示（用投影片打出）：1）speak to；2）organize；3）ring up；4）be unable to；5）attend；6）repeat；7）ring back 將前兩句給出：A new student has e to our class．He is always silent and seldomspeaks to others． 七、八分鐘后，請(qǐng)幾位同學(xué)朗讀自己的短文，教師予以講評(píng)。 Model： A new student has e to our class．He is always silent and seldom speaks to others．Our teacher，Miss Zhao，asked him to organize a class-meeting the following Monday after-noon，for everyone in our class takes turns to do so．Since it’s now nearly the end of theterm，the topic of the class-meeting should be a plan for the new school year．Yesterdayevening，he rang up Miss Zhao and said that he was unable to attend the class-meeting．When Miss Zhao asked him why，he simply repeated that he couldn’t e to the meetingand then hung up．Later his mother rang back，saying that her son would go to anotherschool the next school year．So he just didn’t want to say anything about his plan for the fu-ture． 5．布置作業(yè)1）預(yù)習(xí)第26單元；2）完成練習(xí)冊(cè)中安排的練習(xí)。 四、難句分析 1．Lizzy：Yes，there must be over two hundred bere．是的，這兒想必有200多份。 Lizzy：It must be a“D”．想必是字母“D”。must作“想必、準(zhǔn)是，一定”解，用來表示對(duì)某事確有把握的推論或揣測(cè)。雖然句中的must也可用may代替，但must語氣更肯定。例如： The farmers must be very tired；they’ve kept sowing all the morning．農(nóng)夫們想必很累了，他們整個(gè)上午一直在播種。 I always meet him in the street．He must live quite near here．我總在這條街上碰到他，想必他就住在附近。 must表示推測(cè)常用在肯定句中。在疑問句中用can，否定句中用can’t。例如： What do you think this invitation can mean？你認(rèn)為這份請(qǐng)柬可能意味著什么？ She can’t be a professor—she’s so young．她不可能是教授—她還很年輕。 在否定句中，也有用can’t表示推測(cè)的，意思是“想必不，準(zhǔn)是不”。例如： I can hear the Brown’s phone bell ringing but no one is answering it；They can’t be athome．我聽到布朗家的電話鈴在響，但是沒有人接，他們想必都不在家。 2．Dr Baker replied to the invitation，accepting it．貝克博士還是答復(fù)了請(qǐng)柬，接受了邀請(qǐng)。 1）reply可作動(dòng)詞，也可作名詞。作不及物動(dòng)詞時(shí)，意思是“回答”，可用reply to（sb．／sth．）表示“對(duì)……作出的回答”；作及物動(dòng)詞時(shí)，是“答到、回答說”的意思，后跟直接引語或賓語從句，不直接跟人或物作賓語。作名詞時(shí)，是“回答、答復(fù)”之意，后面可跟介詞to的短語。例如： She cried，but didn’t reply．她哭了，但不回答。 Please reply to my question．請(qǐng)回答我的問題。 He replied that he didn’t know the secret．他回答說他不知道這個(gè)秘密。 She didn’t lift her head，and made no reply．她頭也不抬，又不回答。 reply和answer都有“回答”的意思，有時(shí)可以通用，但reply比answer正式，指經(jīng)過思考的答復(fù)。二者都可以作及物動(dòng)詞，answer可直接跟名詞作賓語。例如：Can you answer myquestion？Can you reply to my question？你能回答我的問題嗎？2）accepting it是-ing短語，表示伴隨動(dòng)作，相當(dāng)于and accepted it。例如： The boss went to see Mr．King，praising him for his excellent work．老板去看望了金先生，表揚(yáng)了他出色的工作。 注意：accept和receive的區(qū)別： accept和receive都有“收到”的意思。但receive只表示客觀上“收到某物”，與主觀愿望無關(guān)，而accept表示主觀上“樂意接受某物”。例如： He received the gift，but he did not accept it．他收到了禮物，但他沒接受。 I have received an invitation from John．Shall I accept it or refuse it？我收到了約翰的請(qǐng)柬，我是接受還是拒絕？ 3．Would you mind giving a talk today about DNA？能不能請(qǐng)你今天作一個(gè)關(guān)于DNA的報(bào)告？ “Would you mind+doing sth．？”是日常交際用語，表示禮貌地提出請(qǐng)求。例如： Would you mind sending him a message for me？請(qǐng)你幫我?guī)€(gè)口信給他好嗎？ Would you mind fetching me some water，please？勞駕給我打點(diǎn)水好嗎？ 4．Dr Lively was going to talk on that very subject today．萊芙利博士今天原先要談的正好是這個(gè)題目。 介詞on在句中作“關(guān)于”（about）解。例如： I want to speak to you on a very serious subject．我想跟你談一個(gè)非常嚴(yán)肅的問題。 I can’t agree with you on this point．關(guān)于這一點(diǎn)，我不能同意你的意見。 句中的very是形容詞，修飾后面的名詞subject，用來加強(qiáng)語氣，作“正好”解。例如： That’s the very thing I need．那正是我需要的東西。 She determined to go that very afternoon．她決定就在當(dāng)天下午走。