八年級英語上冊 Unit 2 How often do you exercise Section B（1a2e）課件 （新版）人教新目標(biāo)版

第三課時：第三課時：Section B(1a-2e)Unit 2課文課文呈現(xiàn)呈現(xiàn)知識知識講解講解第三課時：第三課時：Section B (1a-2e)Section B (1a-2e)詞詞匯匯聽聽寫寫課課堂堂導(dǎo)導(dǎo)入入1a1a1b1b課課堂堂小小結(jié)結(jié)課課后后作作業(yè)業(yè)課課堂堂練練習(xí)習(xí) 同學(xué)們，上一課學(xué)習(xí)的單詞你們都掌握了嗎？現(xiàn)在同學(xué)們，上一課學(xué)習(xí)的單詞你們都掌握了嗎？現(xiàn)在大家來檢驗一下，點(diǎn)擊下面的音頻開始聽寫吧！大家來檢驗一下，點(diǎn)擊下面的音頻開始聽寫吧！How can we stay healthy? Match the words with the pictures.1a1.junk food 2.milk3.fruit 4.vegetables5.sleep 6.coffeebaecfdAsk and answer questions. Use the words from 1a.1bA：How often do you drink milk，Liu Fang？B：I drink milk every day.A：Do you like it？B：No. But my mother wants me to drink it. She says its good for my health.1 1(高頻）高頻）be good for 對對有益有益講解來自講解來自點(diǎn)撥點(diǎn)撥知識點(diǎn)知識點(diǎn)1 1考向考向【重點(diǎn)【重點(diǎn)】 eg：Honey is good for your health. 蜂蜜對你的健康有益。 【辨析】辨析】be good for，be good to，be good with與與be good atbe good for 對有益 Eating vegetables is good for your health.吃蔬菜對你的健康有益。 講解來自講解來自點(diǎn)撥點(diǎn)撥be good to 對好 He was good to me when I was ill.我生病時他對我關(guān)懷備至。 be good with 善于應(yīng)付的 He is very good with children.他對孩子很有一套。 be good at擅長于的 Im good at playing chess.我擅長下國際象棋。 典例典例 Reading in the sun is not good_ your eyes. （永州） A. for B. about C. with 【點(diǎn)撥【點(diǎn)撥】本題用本題用固定短語法固定短語法。句意：在陽光下閱讀對你的。句意：在陽光下閱讀對你的眼睛沒有益處。眼睛沒有益處。be good for 意為意為“對對有益處有益處”。 A講解來自講解來自點(diǎn)撥點(diǎn)撥1cListen to an interview about two peoples daily habits. Circle your answer to each question.Does Tina have good habits？ Yes. No. I dont know.Does Bill have good habits？ Yes. No. I dont know.1dListen again. Fill in the blanks in the survey. Questions Tina Bill1.How often do you exercise？ every day _2.How often do you eat fruit？ _ _ 3.How many hours do you sleep _ _ every night？ hardly everevery dayneverninenine Questions Tina Bill4.How often do you drink milk？ _ _ 5.How often do you eat junk food？ _ _6.How often do you drink coffee？ _ _every daynevertwo or three times a weekthree or four times a weekneverfour times a dayConversationInterviewer: Hi, Tina and Bill. Lets start with the first question. How often do you exercise? Tina: Every day. Bill: Hardly ever. Interviewer: How often do you eat vegetables and fruit? Tina: I eat vegetables and fruit every day. Bill: I sometimes eat vegetables. But I never eat fruit. Interviewer: OK. How many hours do you sleep every night? 1c、 1dTina: Nine. Bill: Me, too. Interviewer: How often do you drink milk? Bill: Never. I cant stand milk. Tina: Oh, I love milkI drink it every dayInterviewer: How often do you eat junk food? Bill: I eat it three or four times a week. Tina: I guess I eat it two or three times a week.Interviewer: And how often do you drink coffee? Bill: Oh, I drink coffee four times a day. Tina: I never drink coffee. Interviewer: Well, thank you very much. Bill/Tina: Youre welcome. 1eStudent A is the reporter. Student B is Tina or Bill. Ask and answer questions. Then change roles.A：How often do you exercise？ B：I exercise every day.A：And how often do you.？ 2aRank these activities according to how often you think your classmates do them （1most often，6least often）. watch TV go to the movies play computer games exercise or play sports use the Internet go camping in the country 2bRead the article and complete the pie charts on the next page.What Do No.5 High School Students Do in Their Free Time？ Last month we asked our students about their free time activities. Our questions were about exercise，use of the Internet and watching TV. Here are the results. We found that only fifteen percent of our students exercise every day. Fortyfive percent exercise four to 2 23 34 4six times a week. Twenty percent exercise only one to three times a week. And twenty percent do not exercise at all！We all know that many students often go online， but we were surprised that ninety percent of them use the Internet every day. The other ten percent use it at least three or four times a week. Most students use it for fun and not for homework.The answers to our questions about watching television were also interesting. Only two percent of the students watch TV one to three times a week. Thirteen percent watch TV four to six times a week. And eightyfive percent watch TV every day！ 5 5Although many students like to watch sports，game shows are the most popular.It is good to relax by using the Internet or watching game shows，but we think the best way to relax is through exercise. It is healthy for the mind and the body. Exercise such as playing sports is fun，and you can spend time with your friends and family as you play together. And remember，“Old habits die hard.” So start exercising before its too late！6 67 78 89 91010111115 202045109013285 Here are the results.這是調(diào)查結(jié)果。這是調(diào)查結(jié)果?？枷蛞豢枷蛞弧局攸c(diǎn)【重點(diǎn)】 講解來自講解來自點(diǎn)撥點(diǎn)撥知識點(diǎn)知識點(diǎn)2 2 Here are the results.是倒裝句是倒裝句，正常，正常語序是語序是The results are here.。eg：Here is my book.這是我的書。拓展拓展 以以here，there，out，up，down等副詞開頭等副詞開頭的句子常用倒裝結(jié)構(gòu)。當(dāng)主語為名詞時，句的句子常用倒裝結(jié)構(gòu)。當(dāng)主語為名詞時，句子結(jié)構(gòu)為：副詞謂語動詞主語（名詞）；子結(jié)構(gòu)為：副詞謂語動詞主語（名詞）；當(dāng)主語為代詞時，句子不倒裝，其當(dāng)主語為代詞時，句子不倒裝，其講解來自講解來自點(diǎn)撥點(diǎn)撥結(jié)構(gòu)為：副詞主語（代詞）謂語動詞。結(jié)構(gòu)為：副詞主語（代詞）謂語動詞。eg：Here comes the bus.公共汽車來了。 Here he comes.他來了?？枷蚨枷蚨局攸c(diǎn)【重點(diǎn)】 result意為意為“結(jié)果；后果結(jié)果；后果”，the result（s） of.意為意為“的結(jié)果的結(jié)果”eg：The result of the examination was quite unexpected. 考試的結(jié)果完全出乎意料。 拓展拓展【難點(diǎn)【難點(diǎn)】 as a result是一個習(xí)慣短語，意為是一個習(xí)慣短語，意為“因因此，結(jié)果此，結(jié)果”。 eg：He didnt practice， and as a result he lost. 他沒有練習(xí)，結(jié)果輸了。 開門見山法：本篇文章第一段開門見開門見山法：本篇文章第一段開門見 山地指出文章的主要內(nèi)容，起到了統(tǒng)領(lǐng)全文、開啟下山地指出文章的主要內(nèi)容，起到了統(tǒng)領(lǐng)全文、開啟下文的作用。文的作用。講解來自講解來自點(diǎn)撥點(diǎn)撥知識點(diǎn)知識點(diǎn)3 3 percent /psent / n.百分之百分之知識點(diǎn)知識點(diǎn)考向一考向一4 4講解來自講解來自點(diǎn)撥點(diǎn)撥percent單復(fù)數(shù)同形。與數(shù)詞連用時，數(shù)詞應(yīng)置于單復(fù)數(shù)同形。與數(shù)詞連用時，數(shù)詞應(yīng)置于percent之前。之前。eg：twenty percent 百分之二十考向二考向二percent of后接名詞作主語時，后接名詞作主語時，of后的名詞如果為后的名詞如果為不可數(shù)名詞或單數(shù)可數(shù)名詞，謂語動詞用單數(shù)形不可數(shù)名詞或單數(shù)可數(shù)名詞，謂語動詞用單數(shù)形式；若為可數(shù)名詞復(fù)數(shù)形式，則謂語動詞用復(fù)數(shù)式；若為可數(shù)名詞復(fù)數(shù)形式，則謂語動詞用復(fù)數(shù)形式。形式。eg：65 percent of the children play computer games. 百分之六十五的孩子玩電腦游戲。典例典例 Sixty percent of the water in the lake_ clean and clear now. A. are B. is C. was D. were【點(diǎn)撥【點(diǎn)撥】本題用本題用主謂一致法主謂一致法。因為。因為water為不可數(shù)名詞，為不可數(shù)名詞，故謂語動詞用單數(shù)形式。句意為故謂語動詞用單數(shù)形式。句意為“這湖中百分之六十的水這湖中百分之六十的水現(xiàn)在是干凈清澈的?，F(xiàn)在是干凈清澈的?！北硎粳F(xiàn)在的狀況，故用一般現(xiàn)在時。表示現(xiàn)在的狀況，故用一般現(xiàn)在時。 B講解來自講解來自點(diǎn)撥點(diǎn)撥 （高頻）（高頻）surprised /sprazd / adj.驚奇的；驚奇的； 驚訝的驚訝的知識點(diǎn)知識點(diǎn)考向一考向一5 5講解來自講解來自點(diǎn)撥點(diǎn)撥【辨析】【辨析】surprised與與surprisingeg：We are much surprised to hear the news.聽到這個消息，我們非常詫異。surprised意為“驚奇的；驚訝的”，常修飾人。I was surprised when I heard the news.當(dāng)我聽到這個消息時，我感到驚訝。 講解來自講解來自點(diǎn)撥點(diǎn)撥考向二考向二 be surprised at.對對感到驚訝感到驚訝eg：I was surprised at his answer. 我對他的回答感到驚訝。 surprising 意為“使人吃驚的”，常修飾事物。 Your success is surprising.你的成功令人吃驚。 although /:lu / conj.雖然；盡管；即使雖然；盡管；即使考向考向【易錯點(diǎn)【易錯點(diǎn)】講解來自講解來自點(diǎn)撥點(diǎn)撥知識點(diǎn)知識點(diǎn)6 6 although相當(dāng)于相當(dāng)于though，引導(dǎo)讓步狀語從，引導(dǎo)讓步狀語從句。句。 在英語中，在英語中，although（though）和）和but不能用在不能用在同一個句中（即二者只能取其一）同一個句中（即二者只能取其一）。但可以和。但可以和yet連用。連用。 eg：Although he was tired，he didnt stop to have a rest. He was tired，but he didnt stop to have a rest. 盡管他累了，但他沒有停下來去休息。eg：Although my car is very old，it still runs very well. 我的汽車雖然很舊，但它仍然運(yùn)轉(zhuǎn)得很好。典例典例 my cousin is very young，_ she can help with the housework. （福州）A. Once； 不填B. Though； butC. Although； 不填【點(diǎn)撥【點(diǎn)撥】本題用本題用語境判斷法語境判斷法。once一旦；一旦；though相當(dāng)于相當(dāng)于although，不與，不與but連用，引導(dǎo)讓步狀語從句。句意：盡連用，引導(dǎo)讓步狀語從句。句意：盡管我的堂妹很小，但她能幫助做家務(wù)。管我的堂妹很小，但她能幫助做家務(wù)。 C講解來自講解來自點(diǎn)撥點(diǎn)撥 It is good to relax by using the Internet or watching game shows，but we think the best way to relax is through exercise. 通過使用網(wǎng)絡(luò)或觀看游戲類節(jié)目放松是好的，但我通過使用網(wǎng)絡(luò)或觀看游戲類節(jié)目放松是好的，但我們認(rèn)為通過鍛煉的方式放松是最好的。們認(rèn)為通過鍛煉的方式放松是最好的。講解來自講解來自點(diǎn)撥點(diǎn)撥知識點(diǎn)知識點(diǎn)7 7講解來自講解來自點(diǎn)撥點(diǎn)撥考向一考向一【重點(diǎn)【重點(diǎn)】 本句是由本句是由but連接的并列復(fù)合句。前一個連接的并列復(fù)合句。前一個分句中，分句中，It是形式主語，真正的主語是動詞不定是形式主語，真正的主語是動詞不定式短語式短語to relax by using the Internet or watching game shows。該句型結(jié)構(gòu)為。該句型結(jié)構(gòu)為It isadj.（for sb.） to do sth.eg：It is easy for me to play pingpong. 打乒乓球?qū)ξ襾碚f是容易的。典例典例 It is important people good manners. A. for； to learn B. of； to learn C. for； learn D. of； learn【點(diǎn)撥【點(diǎn)撥】本題用本題用固定句型法固定句型法?？疾楣潭ň湫停骸？疾楣潭ň湫停篒tbe形形容詞容詞for sb.to do sth.意為意為“做某事對某人來說是做某事對某人來說是的。的?！盇講解來自講解來自點(diǎn)撥點(diǎn)撥講解來自講解來自點(diǎn)撥點(diǎn)撥考向二考向二【重點(diǎn)【重點(diǎn)】 by為介詞，意為為介詞，意為“通過；靠通過；靠”，此處表，此處表示方法、手段，后接名詞、代詞或動詞的示方法、手段，后接名詞、代詞或動詞的-ing形形式。式。eg：He has to do all the work by hand. 所有的工作他都要靠手工完成。 （涼山中考）You can practice soccer by joining a sports club.你可以通過加入一個運(yùn)動俱樂部來 練習(xí)足球。講解來自講解來自點(diǎn)撥點(diǎn)撥拓展拓展【難點(diǎn)【難點(diǎn)】 （1）by交通工具（交通工具（by后不加冠詞），意為后不加冠詞），意為“乘乘/駕駕/”。 eg：I go to work by bike every day. 我每天騎自行車上班。（2）by時間，意為時間，意為“到到時（為止）；在時（為止）；在 以前以前”，by now到目前為止。到目前為止。 eg：I must go to bed by ten oclock. 我必須在10點(diǎn)之前上床睡覺。 You should know the truth by now. 現(xiàn)在你應(yīng)該知道真相了。（3）by地點(diǎn)，意為地點(diǎn)，意為“在在旁邊旁邊”。 eg：We live by the sea. 我們住在海邊。講解來自講解來自點(diǎn)撥點(diǎn)撥考向三考向三 through /ru: /prep.以，憑借，穿過以，憑借，穿過through 穿過，表示從中通過，著重指從內(nèi)部空間的一頭縱穿到另一頭。 The burglar came in through the window.盜賊是從窗戶進(jìn)來的。 across 穿過，表示從一物體表面的一邊到另一邊。 We walked across the bridge.我們從橋上走過。 【辨析】【辨析】through與與across【易錯點(diǎn)【易錯點(diǎn)】 典例典例 We are walking （穿過） the forest. 【點(diǎn)撥【點(diǎn)撥】句意：我們正步行穿過森林。這里句意：我們正步行穿過森林。這里“穿過穿過”用介用介詞詞through。 through講解來自講解來自點(diǎn)撥點(diǎn)撥 （高頻）（高頻）mind /mand / n.頭腦；心智頭腦；心智知識點(diǎn)知識點(diǎn)8 8講解來自講解來自點(diǎn)撥點(diǎn)撥eg：He is ninety years old，but his mind is sharp. 他雖然90歲了，但頭腦很靈活?？枷蛞豢枷蛞弧局攸c(diǎn)【重點(diǎn)】 mind作名詞，可構(gòu)成短語：作名詞，可構(gòu)成短語：change ones mind 改變主意；改變主意；make up ones mind 下下決心。決心。eg：I think nothing can change his mind. 我認(rèn)為沒什么可以改變他的主意。講解來自講解來自點(diǎn)撥點(diǎn)撥考向二考向二 mind 用作動詞，意為用作動詞，意為“介意介意”。常用句型。常用句型“Would you mind （ones）doing sth.？”意為意為“你介意（某人）做某事嗎？你介意（某人）做某事嗎？”。eg：Would you mind （my） opening the door？ 你介意（我）打開門嗎？典例典例Its too cold today. Would you mindthe window？Certainly not. Go ahead.（安順）A. to closeB. closing C. closeD. closed 【點(diǎn)撥】【點(diǎn)撥】句意：句意：今天天太冷了。你介意關(guān)上窗戶嗎？今天天太冷了。你介意關(guān)上窗戶嗎？當(dāng)然不介意。請隨意。當(dāng)然不介意。請隨意。mind doing sth.“介意做某事介意做某事”。 B講解來自講解來自點(diǎn)撥點(diǎn)撥 such as 例如；像例如；像這樣這樣知識點(diǎn)知識點(diǎn)考向一考向一9 9講解來自講解來自點(diǎn)撥點(diǎn)撥【辨析】【辨析】such as與與likesuch as 用來列舉同類人或事物中的幾個例子。 Boys such as John and James are very friendly.像約翰和詹姆斯這樣的男孩都很友好。 講解來自講解來自點(diǎn)撥點(diǎn)撥考向二考向二 such as 后面可跟名詞、代詞或動名詞。后面可跟名詞、代詞或動名詞。eg：I like drinks such as cola and pop. 我喜歡諸如可樂和汽水之類的飲料。like 與such as可互換。但若such as分開使用，則不可互換。 He knows many languages，like English and Chinese.他會多門語言，例如英語和漢語。 典例典例He knows five languages English and Japanese. A. are likeB. such as C. such like D. as such 【點(diǎn)撥】【點(diǎn)撥】句意：他懂五種語言，例如英語和日語。句意：他懂五種語言，例如英語和日語。 such as例如。例如。 B講解來自講解來自點(diǎn)撥點(diǎn)撥 die /da/ v.消失；滅亡；死亡消失；滅亡；死亡考向一考向一講解來自講解來自點(diǎn)撥點(diǎn)撥知識點(diǎn)知識點(diǎn)【辨析】【辨析】die of與與die fromeg：His grandfather died last winter.去年冬天他祖父去世了。die of 表示“死于”，多用于內(nèi)因 die from 表示“死于”，多用于外因 Many people die of cancer.很多人死于癌癥。Toms uncle died from an earthquake.湯姆的叔叔死于一場地震。1010講解來自講解來自點(diǎn)撥點(diǎn)撥考向二考向二 die 的各種形式的各種形式die v.dead adj.死了的death n. 死dieddieddying adj. 快要死的eg：The tree has been dead for a month. 這棵樹死了一個月了。 The death of his pet cat made him very sad. 他的寵物貓的死讓他很傷心。 對比總結(jié)法：文章最后一段將前文中對比總結(jié)法：文章最后一段將前文中的三個活動，即看電視、使用網(wǎng)絡(luò)和鍛煉進(jìn)行對比，的三個活動，即看電視、使用網(wǎng)絡(luò)和鍛煉進(jìn)行對比，得出結(jié)論：鍛煉是最好的放松方式。最后再發(fā)出倡得出結(jié)論：鍛煉是最好的放松方式。最后再發(fā)出倡議，升華全文。議，升華全文。 講解來自講解來自點(diǎn)撥點(diǎn)撥知識點(diǎn)知識點(diǎn)11112cRead the article again and answer the questions.1.How many percent of the students do not exercise at all？2.How many percent of the students use the Internet every day？3.How often do most students watch TV？ What do they usually watch？Twenty percent of them do not exercise at all.Ninety percent of them use the Internet every day. Most students watch TV every dayThey usually watch sports and game shows.4.What does the writer think is the best way to relax？ Why？5.Do you think the students at No.5 are healthy？ Why or why not？The writer thinks the best way to relax is through exercise. Because its healthy for the mind and the body.I dont think they are very healthy，because they always use the Internet and watch TV，but only sometimes exercise.2dAccording to the article and the pie charts，write sentences with the percentages using always，usually or sometimes.1.90%：Ninety percent of the students always use the Internet.2.85%_ _3.45%_ _Eighty-five percent of the students always watch TV.Forty-five percent of the students usually exercise.4.10%：_ _ 5.13%：_ _6.2%：_ _Ten percent of the students sometimes use the Internet.Thirteen percent of the students usually watch TV.Two percent of the students sometimes watch TV.2eChoose one of these free time activities or think of your own. Then ask your classmates how often they do this activity and make a pie chart. Show the pie chart to your class.play computer gamesread booksgo shoppingdraw picturesplay sportsHow often do you.？ Names of classmates 13 times a week 46 times a week every day 本節(jié)課主要練習(xí)了聽力，學(xué)習(xí)了單詞本節(jié)課主要練習(xí)了聽力，學(xué)習(xí)了單詞 percent, surprised, although, mind, die, 短語短語such as, 句子句子Here are the results., Its good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. 的用法以及閱讀與寫作技的用法以及閱讀與寫作技法開門見山法和對比總結(jié)法。法開門見山法和對比總結(jié)法。