2026春人教版（2024）英语八年级下册Unit 4 课时1 Section A 1a-1d（课件）

Unit4TheWondersofNatureSectionA1a-1d课型：听说课主讲人：XXX通过听、说、看等方式，获取并正确认读关于自然奇观的地理类词汇（如waterfall,desert,trench等），感知描述自然景观特征的词汇用法（如level,surface,depth等）（学习理解）01通过听力捕捉、对话练习，获取文本中自然奇观的维度、规模等关键信息，归纳并内化用大数描述事物特征、问答自然奇观相关信息的常用表达（如...isthehighestintheworld,It’s...metreshigh/deep）（应用实践）02通过讨论和合作交流，理解自然奇观的独特价值，能够主动分享自己熟知的自然奇观信息，并认同探索和保护自然的重要性。

（迁移创新）03学习目标01LeadinLet’senjoysomenaturalwondersoftheworld.Leadin

今天我们将进行“环球探险队”的队员选拔与首航任务，大家作为候选人，将通过完成听力、口语任务获得“探险徽章”，最终成为Globalexplorers,赢得“首航资格”。02Pre-listening1a

Matchtheplaceswiththepictures.____NileRiver____AngelFalls____MountQomolangma____Deadsea____SaharaDesert____MarianaTrenchA

B

D

E

C

F

FADCEBHowmuchdoyouknowabouttheseamazingplaces?Pre-listeningReadthesewords.wonder

n.奇观；惊叹

v.琢磨；想知道measurementn.数量；测量squarekilometre平方干米below

prep.在......下面；低于

adv.在(或到)......下面level

n.高度；水平；程度surface

n.表面；表层NileRiver尼罗河AngelFalls天使瀑布MountQomolangma珠穆朗玛峰DeadSea死海SaharaDesert

撒哈拉沙漠MarianaTrench马里亚纳海沟03While-listening1b

Listentothegameshow.Completethedescriptionsoftheplaces.PlaceDescriptionMountQomolangmathe________intheworldSaharaDesertthe________intheworldDeadSeathe________onearthMarianaTrenchthe________intheocean听力技巧：听主旨，抓描述性最高级词汇（highest,largest...）highestmountainbiggestdesertlowestplacedeepestpoint1c

Trytoreadthefollowingnumbers.英语数字的读法4168,848.8611,0009,000,000英语中，数字从后往前数，每三位标一个逗号。例：

9,000,000百位和十位中间加and小数点读作point,小数点后的数字逐个单独读出。thousandmillion1c

Listenagain.Completethemeasurements.PlaceMeasurementMountQomolangma________metreshighSaharaDesertabout________squarekilometresinsizeDeadSea________metresbelowsealevelMarianaTrenchabout________metresdeep听力技巧：精听，边听边记录关键数据。8,848.869,000,00041611,00004Post-listening1d

Pairwork.Talkabouttheplacesyouhavelearntabout.Forexample:A:What’sthehighestmountainintheworld?B:It’sMountQomolangma.A:Howhighisit?B:It’s8,848.86metreshigh.Post-listeningDiscussingroups.

“首航规划”任务如果要选择两个naturalwonders进行首次探险，在组内讨论，必须运用所学句型和数据说明选择理由（如：Wechoose...becauseit’sthe...intheworld.It’s...metershigh/deep.),并尝试补充新信息或感受。

恭喜你成为

GlobalExplorer!Reportyourgroup’sdiscussionresulttotheclass.Evaluation(评价)Completecontent(内容完整)Correctlanguage(语言准确)Clearvoice(自信表达)Hello,everyone!I'dliketoshareourgroup’sresultaboutamazingplaceswewillgo.Wechoose...becauseit’sthe...intheworld.It’s...metershigh/deep.It’svery...Wealsowouldliketoexplore...Because...it’sthe...intheworld.It’s...metershigh/deep.Itmustbe...Wealllovetoexploretheworld.Thankyou!Post-listening05SummarySumupwhatyouhavelearned.NaturalwondersMountQomolangmathehighestSaharaDesertthebiggestDeadSeathelowestMarianaTrenchthedeepestSummary8,848.869,000,00041611,00006LanguagePoints词讲练wonder/ˈwʌndə(r)/v.想知道；感到惊奇n.奇迹；奇观----wonderfuladj.精彩的；绝妙的----wonderlandn.仙境；奇境1.Weallwonder______(at/in/for)thebeautyofthesunset.2.Wehada_________(wonder)timeatthebeachlastweekend.3.TheGrandCanyon(科罗拉多大峡谷)isoneofthenatural_________(wonder)intheworld.

Languagepoints(1)想知道，后常接宾语从句、疑问词+不定式结构,相当于wanttoknow。例：Iwonderwhatheisdoingnow.我想知道他现在在做什么。(2)感到惊奇；惊叹，常用搭配wonderatsth例：WeallwonderathisrapidprogressinEnglish.我们都对他英语的快速进步感到惊叹。(3)作名词，意为“奇迹；奇观”，常用搭配

thewondersof...（……的奇迹）例：TheGreatWallisoneofthegreatwondersoftheworld.长城是世界上伟大的奇迹之一。wondersatwonderfulLanguagepoints(the+)最高级(+名词)+in/of短语，

意为“……中最……的”。Ithinkspringisthebesttimeofayear.我认为春天是一年中最好的时节。Tomworks(the)hardestinClass3.在三班汤姆学习最努力。。oneofthe+形容词最高级+可数名词复数+in/of短语，意为“……中最……的……之一”。Hangzhouisoneofthemostbeautifulcitiesintheworld.

杭州是世界上最美的城市之一。the+序数词+形容词最高级+可数名词单数+in/of短语,意为“在…中是第几……的……”Asweallknow,theYellowRiveristhesecondlongestriverinChina.

众所周知,黄河是中国第二长河。。最高级（-est）的用法LanguagepointsTheAmazonRainforestisoneofthe_______(large)tropicalrainforestsintheworld.

亚马孙雨林是世界上最大的热带雨林之一。TheNileRiveristhe_________(long)riverintheworld.

尼罗河是世界上最长的河流。VictoriaFallsisoneofthe_____________(beautiful)waterfallsontheplanet.

维多利亚瀑布是地球上最美的瀑布之一。TheGreatBarrierReefisthe_________(long)coralreefsystemintheworld.

大堡礁是世界上长的珊瑚礁系统。TheMarianaTrenchisthe__________(deep)oceantrenchintheworld.

马里亚纳海沟是世界上最深的海沟。“世界之最”练习largestlongestmostbeautifullongestdeepest07Exercise词汇练习Exercise1.TheGreatPyramidisagreat___________(奇观)oftheancientworld.2.Weneedtogettheexact_____________(测量数据)oftheroombeforebuyingthecarpet.3.Thetemperaturetodayisfivedegrees___________(低于)zero.4.Thewater__________(水平面)inthelakeisrisingbecauseoftheheavyrain.5.The_________(表面)ofthemooniscoveredwithdustandrocks.6.MountQomolangmaisthe_________(high)mountainintheworld.7.TheSaharaisbyfarthe__________(large)hotdesertonEarth.8.What’sthe__________(deep)pointintheocean?—It’stheMarianaTrench.9.Scientistsusespecialtoolsforthe__________(measure)ofthetrench’sdepth.10.Welookedatthestarsand__________(wonder)ifthereislifeinspace.wondermeasurementbelowsurfacelevelhighestlargestdeepestmeasurementwondered单项选择Exercise1.Howdoyoureadthenumber“8,848.86”inEnglish?A.Eightthousandeighthundredandforty-eightpointeightsix.B.Eightthousandseighthundredforty-eightpointeighty-six.C.Eightthousandandeighthundredforty-