Unit7第1課時SectionA(1a-2d)-八年級英語下冊課堂（人教版）（含音頻）

第一課時SectionA(1a-2d)PPT部分圖片來源于網(wǎng)絡。Unit7

What'sthehighestmountainintheworld?square,meter,deep,desert,population,Asia,tour,tourist,wall,amazing,ancient,protect,wide目標feelfree,asfarasIknow,man-made,squarekilometer,insize,anyothermountain,thepopulationof,muchlonger,asbigas,howlong,MingDynasty非限制性定語從句：AsyoucanseeHowlong可以用來詢問時間，也可以用來詢問長度。形容詞和副詞的比較級和最高級（定義、規(guī)則變化）ListeningNewWordsNextpopulation[?p?pju?le??(?)n]n.人口；人口數(shù)量

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Nextdeep[di?p]adj.深的；縱深的

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Nextsquare[skwe?(r)]n.平方；正方形

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Nextmeter[?mi?t?(r)]n.米；公尺

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Nextdesert[?dez?t]n.沙漠

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NextAsia[?e???]n.亞洲

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PLAYmetersdeeply,deep-deeper-deepestdesertsAsian看誰找得快。NewWordssquaren.平方；正方形meter=（metre）n.米；公尺metersdeepadj.深的；縱深的 deeply,deep-deeper-deepestdesertn.沙漠desertspopulationn.人口；人口數(shù)量Asian.亞洲Asian1個1分。populationwmwiaecbcianeusrdeepzvolumetersfftfysfexxsquareprlseflsnrlymdzhyiottbhnmhgataefwbvklsignvgpopulationwmwiaecbcianeusrdeepzvolumetersfftfysfexxsquareprlseflsnrlymdzhyiottbhnmhgataefwbvklsignvgNextancient[?e?n??nt]adj.古代的；古老的

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Nextwall[w??l]

n.墻

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Nexttour[t??(r)]n.旅行；旅游

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Nexttourist[?t??r?st]n.旅行者；觀光者

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Nextamazing[??me?z??]adj.令人大為驚奇的

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Nextprotect[pr??tekt]v.保護；防護

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ヽPLAYtouristtourwallsamazed,more

amazing/amazed-mostamazing/amazedprotectionNextwide[wa?d]adj.寬的；寬闊的

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PLAYwidelyRoundOnet__r

旅行tour___旅行者w___

墻amaz___

令人大為驚奇的an_____古代的Review詞組接力。RoundTwopro____

保護__de

寬的____ing

令人大為驚奇的tour___旅行者__cient

古代的速度快的組加1分。tourn.旅行；旅游touristtouristn.旅行者；觀光者tourwalln.墻wallsamazingadj.令人大為驚奇的；令人驚喜(或驚嘆)的amazedancientadj.古代的；古老的protectv.保護；防護protectionwideadj.寬的；寬闊的widelyTextTextMatchthefactsyouknow.1aTextMatchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000square

kilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighTextListenandcompletethesentences.1b1.Qomolangmais

________thananyothermountainintheworld.2.TheSaharais_________________desertintheworld.3.TheCaspianSeais________________ofallthesaltlakes.4.TheNileis__________________riverintheworld.higherthehighestthedeepestthelongestTextListenandnumberthefacts[1-4]intheorderyouhearthem.2a6,3005,0005,464300_____TheYangtzeRiverisabout_________kilometerslongand

theYellow

Riveris_________kilometerslong._____Chinahasthebiggestpopulationintheworld.It'salotbiggerthanthe

populationoftheUS._____Chinaisover_________yearsold.Ithasamuchlongerhistorythanthe

US.TheUSisnoteven_________yearsold._____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.1234Listenagainandfillintheblanksin2awiththenumbersinthebox.2b6,3005,4645,000300TextText2dFeelfreetoaskmeanythingontoday'sGreatWalltour.Howlongisthewall?Next點擊“Next”,可重復出現(xiàn)對話。Ah,themostpopularquestion!IfwereonlytalkingaboutthepartsfromtheMingDynasty,it'sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it'squitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.Wow,that'samazing!Whydidtheancientemperorsbuildthewall?IsBadalingpartoftheMingGreatWall?Yes,it'sthemostfamouspart.PhrasesPhrases1個1分。1._________________隨便(做某事)2._________________就我所知3._________________人造的4._________________平方公里5._________________面積asfarasIknowsquarekilometerman-madefeelfreeinsize6._________________

任何其他山脈7._________________……的人口8._________________

長得多9._________________

像……一樣大10._________________明朝thepopulationofanyothermountainmuchlongerasbigasMingDynasty__________metersdeepkilometerslongmetershigh長度、寬度、深度的表達法012345678910空閑的隨便做某事自由自在感受選擇以下短語的正確意思。feelfreeRoundOnePhrases012345678910forsoonfarlongPhrases選擇正確的搭配。as—asIknow就我所知

012345678910詞形變換。PhrasesAsfarasIknow,therearenoman-_____(make)objectsasbig25theGreatWall.makesmakemade1.feelfree(可以)隨便(做某事)2.asfarasIknow就我所知3.man-madeadj.人造的4.squarekilometer

平方公里5.insize面積6.anyothermountain任何其他山脈7.thepopulationof……的人口8.muchlonger長得多9.asbigas像……一樣大10.MingDynasty明朝SentencesSentenceOne【觀察】結(jié)構(gòu)：注意：1.都有“asyoucansee”；2.as引導的從句；3.as位于句首，從句是肯定句。即使將定語從句去掉，也不會影響句子意思，這就是非限制性定語從句?！驹洹緼syoucansee,it’squitetallandwide.【例句】Asyoucansee,we'restillworking.

Asyoucansee,Ididn'tgoafterall.

Asyoucansee,wearegoodstudents.非限制性定語從句：Asyoucansee,+主句?！叭缒闼?，……”1個1分。SentenceTwo【觀察】結(jié)構(gòu)：注意：1.都用“howlong”提問；2.回答時用長度；3.it可以用來表示某物長度。Howlong可以用來詢問時間，也可以用來詢問長度。kilometers可以縮寫為“km”；centimeter縮寫為“cm”?！驹洹縃owlongisthewall?It’sabout8,850kilometerslong.【例句】Howlongistheruler?

It’s20centimeterslong.Howlong...？“……有多長”It’s+...+kilometers/centimeterslong.“有……米/厘米長”1個1分。it________________________________________________________________________________________issee,canas.Ascanyouyousee,itis.0123456789101112131415連詞成句。ananbuildingbuildingancientancientRoundTwo準備好就點擊空白處開始。2分。Sentence________________________________________________________________________________________longkilometersit’s.It’skilometers500500long.0123456789101112131415連詞成句。Sentence準備好就點擊空白處開始。2分?！具B詞成句】Asyoucansee,itisanancientbuilding.It’s500kilometerslong.GrammarGrammarOne形容詞和副詞的比較級和最高級（定義）【觀察】結(jié)構(gòu)：注意：1.最高級的比較范圍大到全世界；2.比較級是在兩者之間的比較；3.-er是比較級，-est是最高級。最高級前有“the”，比較級前沒有“冠詞”，但是句中有“than”?！纠洹縌omolangmaishigh. Qomolangmaishigherthanothermountains.Qomolangmaisthehighestmountainintheworld. high-higher-highest比較級是在“兩者”之間的比較；最高級是在“三者及三者以上的比較”。1個1分。GrammarTwo形容詞和副詞的比較級和最高級（規(guī)則變化）【觀察】結(jié)構(gòu)：注意：1.直接加er/est，以e結(jié)尾直接加r/st；2.以y結(jié)尾要把y改成i再加er/est；3.單詞中只有一個字母重讀，雙寫最后一個字母再加er/eat；按單詞末尾來判讀怎么加-er,-est。【原句】deep-deeper-deepest,cheap-cheaper-cheapest,fast-faster-fastest【例句】nice-nicer-nicest,late-later-latest

easy-easier-easiest,early-earlier-earliest big-bigger-biggest,fat-fatter-fattest4.三個元音的單詞或者部分雙元音在單詞前加more/most。大部分比較級/最高級以er/est結(jié)尾；部分比較級/最高級在單詞前加more/most。1個1分。012345678910判斷句子對錯。只要是er結(jié)尾的都是形容詞比較級。RoundThreeGrammar012345678910Grammar判斷句子對錯。比較對象在“三者”之間，要用最高級。【判斷句子對錯】比較對象在“三者”之間，要用最高級。√【判斷句子對錯】只要是er結(jié)尾的都是形容詞比較級?！潦紫鹊檬且稳菰~，才有比較級；reader“讀者”，read是動詞。SummaryListeningFinished！GoodJob！Summarysquare,meter,deep,desert,population,Asia,tour,tourist,wall,amazing,ancient,protect,wide目標feelfree,asfarasIknow,man-made,squarekilometer,insize,anyothermountain,thepopulationof,muchlonger,asbigas,howlong,MingDynasty非限制性定語從句：AsyoucanseeHowlong可以用來詢問時間，也可以用來詢問長度。形容詞和副詞的比較級和最高級（定義、規(guī)則變化）PracticesPractices暴走模式兩兩PK，看誰反應快。1題1分。012345678910provideprotectprocessproblem選擇你所聽到的單詞。RoundFourPractice012345678910squarepopulationprotectpopular選擇你所聽到的單詞。Practice012345678910A.carefulD.themostcarefulB.morecarefulC.mostcarefulOurEnglishteacherisgladtoseethatTomis_____thanbefore.Practice單項選擇。012345678910Practiceasweallknow的“as”也是“正如……”的意思。判斷句子對錯?！締雾椷x擇】OurEnglishteacherisgladtose