Unit2Amazingnumbers主題范疇：人與社會主題群：歷史、社會與文化；科學(xué)與技術(shù)子主題：對世界、國家、人民和社會進(jìn)步有突出貢獻(xiàn)的人物；科學(xué)技術(shù)與工程，人類發(fā)明與創(chuàng)新KeyquestionWhatistheroleofnumbersinourdailylives?improvemylisteningcomprehensiveskills;identifyandunderstandkeydetailsintheconversation;recordandpresentinformationwithnumbersinEnglish.Learningobjectives學(xué)習(xí)目標(biāo)Attheendoftheclass,I’llbeableto:percent /p?

?sent/n.

百分之……currently /?k?r?ntli/adv.目前；當(dāng)前NewwordsCanyoureadthefollowingnumberscorrectly?1:1527%0.2517an.2022Lead-inSection1Experiencingandunderstandinglanguage0.25(zero)pointtwofive17.17seventeenpointonesevenReadthenumbers.26.2348.48twenty-sixpointtwothreeforty-eightpointfoureightToptip:point[c]n.

小數(shù)點Observeandlearn分?jǐn)?shù)的朗讀規(guī)則：分?jǐn)?shù)表達(dá):分子用基數(shù)詞，分母用序數(shù)詞。當(dāng)分子大于1時，分母用復(fù)數(shù)。ObserveandlearnonefifthtwothirdsReadthenumbers.三分之一五分之三onethirdthreefifths27%twenty-sevenpercent0.5%zeropointfivepercentToptip:percentn.〔用單數(shù)〕百分之……Readthenumbers.33%100%thirty-threepercentonehundredpercentObserveandlearn1990nineteenninety1900nineteenhundred1908nineteenoeight2016twothousandandsixteen年份的讀法：1.一般將年份的四個數(shù)字按前后分為兩組，每一組的數(shù)字都按基數(shù)詞來讀。2.如果是整百的年，后面的兩個“零”讀為hundred。3.十位數(shù)字上為“零”，該“零”讀為字母O的發(fā)音。4.如果是千年，按千位數(shù)讀。Observeandlearn11Dec.2008theeleventhofDecember,twothousandandeight日期的讀法：6月20日[AE]寫作：June20或June20th讀作：Junethetwentieth[BE]寫作：20June或20thJune讀作：thetwentiethofJuneObserveandlearn3:00threeo’clock6:30halfpastsix1:15(a)quarterpastone/onefifteen6:50tentoseven/sixfifty時間表達(dá)法：整點： 時+o’clock半點： halfpast+時小于30分： 分+past+時大于30分： (60-分)+to+(時+1)Observeandlearn3412205

threefourone,doubletwozerofivethreefourone,twotwoofive電話號碼的朗讀規(guī)則：電話號碼中的每個數(shù)字要分開朗讀。數(shù)字“0”可以讀作字母“o”，也可讀作zero。若前后兩個數(shù)字相同，這個數(shù)字應(yīng)念兩遍，或讀作“double+數(shù)字”。ObserveandlearnListentoaquizaboutnumbersandcirclethecorrectanswers.PracticePre-listeningTheworld’scountriesandpopulationDiscussthequestionsbelowinpairs.(1)Whatisthepopulationoftheworldnow?(2)Canyounamethethreelargestcitiesintheworldbypopulation?EllieandAnnaretalkingaboutcountriesandpopulationaroundtheworld.Listentotheconversationandchoosethecorrectanswers.Listening??Tips:payattentiontothenumbers.(3)Whatpercentoftheworld’spopulationcurrentlyliveinAsia?aabitover30%blessthan50%cabout60%(4)Whichofthefollowingcitiesisdiscussedintheconversation?aShanghaibShenzhencBeijing??WhatdoesAnnmeanwhenshesays“thenumberkeepschanging”?Listenagainandanswerthequestionbelow.Thecurrentnumbermightbeoutofdatesoon.Imaginethatyouareworkingonaprojectaboutthepopulationofdifferentcountriesaroundtheworld,Whatmethodsareyougoingtousetofindtheinformation?Howwillyourecordandpresenttheinformationyoucollect?Post-listeningUsefulexpressions:?Iwasbornon?Iam...yearsold/tall.?Myweight/heightis?Myhomeisnearly...milesawayfromschool.?Igotoschoolat...andgetbackhomeat?Myphonenumberis?...Workinpairsandintroduceyourselftoeachother.Useasmanynumbersaspossible.TapescriptAnn:

HiEllie,haveyouthoughtaboutourprojectondifferentcountriesandpeoplearoundtheworld?Anyideassofar?Ellie:Ofcourse.I’vealreadywrittendownsomequestionsfortheproject.Let’slookuptheanswersonline!Ann:Soundsgood.I’mfreetodoitnow.Whatquestionsdoyouhave?Ellie:OK,here’smyfirstquestion.Howmanycountriesarethereintheworld?Ann:Almost200countries.Ellie:Howmanypeoplearethereintheworld?Ann:Thenumberkeepschanging.Areportfrom2022showsthattherearearound8billion.percent

currentlymorethan/overlessthanindifferentways

Dictation百分之……目前；當(dāng)前超過少于以不同的方式1.about8billionaboutadv.

大約詞匯拓展hundrednum.百

thousandnum.千millionnum.一百萬

billionnum.十億trillionnum.萬億Languagepoints2.morethan9billion;lessthan50%.①

morethan=over

超過如：教室里有十多個學(xué)生。Therearemorethantenstudentsintheclassroom.=Thereareovertenstudentsintheclassroom.反義詞組為lessthan。如：我有不到10本書。Ihavelessthantenbooks.根據(jù)中文意思完成句子。1.他在那里待了超過半年。Hestayedthere_______________