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1、 Unit4AmazingScience Topic1Whenwasitinvented 城北学校 SectionD Whatmethoddidyouusetofindyourlostcellphone GPSislikeaman madestar Wecanuseitatanytime inanyplaceandinanyweathertofindoutourposition Theearlyexplorersusedthestarsaslandmarkstoknowwheretheywereandinwhichdirectiontheyweregoing Thismethodworkedw
2、ellatnightaslongastheweatherwasgood Butitdidn tworksowellduringtherestofthetime Let susetheGPS n 探险者 勘探者 Teachingaims 1 Grammar TheradiowasinventedbyGuglielmoMarconiin1895 Whenwasthedigitalcameradeveloped Itwasdevelopedinthe1970s Wherewasitdeveloped ItwasdevelopedinJapan Whatisarocketusedfor It suse
3、dforsendingsatellitesorspaceshipsintospace 2 Functions IwishIcouldgointospacesomeday Ihopeyoudreamwillcometrue It ssaidthatheinventedmorethantwothousandthingsduringhislife Inventingisinterestingandexcitingandeveryonecanbeaninventor 3 Newwords explorer mark system man made 一 读p87短文 在文中划出下面的短语并朗读 1 探索
4、我们的世界 2 在哪个方向 3 只要 4 在其余时间里 5 好的地标 6 全球定位系统 7 地球的形状 8 在任何时候 9 帮我们探索星球 预习导纲 二 读下列句子 翻译并探究 1 Thismethodworkedwellatnightaslongastheweatherwasgoodandthestarscouldbeseen 译 探究 workwell意为 well是 词 同类用法还有 物品 sellwell 意为 衣物 washwell意为 车 ridewell意为 做一做 Thismethodsounds andworks inourstudies A well wellB good
5、goodC good wellD well good 2 TheGPSisagreatinventionthathelpsusexploreourplanetanddiscoverwhereweare 译 探究 此句中that是 代词 引导 从句 where是 副词 引导 从句 做一做 a Tony tellmetheresultofthediscussion youhadwithyourdadyesterday A whatB thatC whenD whob Doesanybodyknow It sUncleLee s A whereisthebikeB whothebikeisC who
6、sebikeitmaybeD whosebikeitis 当堂训练 1 Withthemoney hesavedwhenhewasyoung hecouldgoonwithhiseducation A whatB whoC thisD that2 Wouldyoupleasedrive Mytrainisleaving I dliketo butsafetycomesfirst A betterB morecarefullyC moreslowlyD faster3 Sorryforbeinglateagain hereontimenexttime oryou llbepunished A B
7、eB BeingC TobeD Been4 AlthoughflightMH370hasbeenmissingformonths Idobelieveit somedayinthefuture A willfindB won tfindC willbefoundD won tbefound5 Sheaskedme A thatIcouldhelpherwithherEnglishB ifIcouldpickherupafterschoolC whereIbuythebookD whenwouldIleave 1 Howdidtheearlyexplorersknowwheretheywere
8、Theyfoundoutwheretheywerebyusingstars 2 What sthedisadvantageofusingthestarsasguidingmarks Itsdisadvantageisthatitdidn tworkwellwhentheweatherwasbadandthestarscouldnotbeseen 3 WhatisaGPS Isitusefultouse Itislikeaman madestar Wecanuseitatanytime inanyplaceandinanyweathertofindoutourposition Itisveryu
9、seful 4 WhatdoyouthinktheGPSwillbeusedforinthefuture ReadthepassageanddiscussthequestionsonPage88 Listentothepassageandnumberthefollowingsentences Itcanalsobeusedtostudytheshapeoftheearth Theearlyexplorersfoundthatthestarsintheskyweregoodguidingmarks Thismethodworkedwellatnightaslongastheweatherwasg
10、oodandthestarscouldbeseen Wecanuseitatanytime inanyplaceandinanyweathertofindoutourposition 根据首字母提示 完成短文 ThankstoGPS wecanexactlyknoww wearenow GPSislikeaman made star Itcanbeu inanyplaceandanyweatherconditiontofindoutourp Inthepast theearlyexplorershadtousestarsinthes totellthemwheretheywere howeve
11、r thismethoddidn tworkwellwhentheweatherwasbad SoGPSisagreatinventionthatcanhelphumanstobettere ourplanets here osition sed ky xplore 试一试 Grammar PassiveVoice TheradiowasinventedbyGuglielmoMarconiin1895 Whenwasthedigitalcameradeveloped Wherewasitdeveloped Whatisarocketusedfor Itwasdevelopedinthe1970
12、s ItwasdevelopedinJapan Itisusedforsendingsatellitesorspaceshipsintospace Functions 1 Youarelate allthetickets sell outanhourago 2 Thistypeofcellphone make inShenzhen 3 I notinvite toyesterday sparty 4 thosemachines check thismorning 5 Manytreesandflowers plant inourschoollastyear andtheymadeourscho
13、olabeautifulgarden weresold wasmade were was v 的过去分词 练一练 wasn tinvited Were checked wereplanted 1 Hurryup you onthephone A WantedB waswantedC arewanted 2 Somestories thechildrenbytheteachereveryday A istoldforB aretoldforC aretoldto 3 thathehasstudiedabroadforfiveyears A ItissaidB ItsaysC Thatissaid
14、 4 Thewindow fiveminutesago A iscleanedB wascleanedC canbecleaned 5 Thechildren bytheteachersatschool A takecareofB aretakencareC aretakencareof C C A B C Choosethebestanswer 6 Ihavenoideawhat whileIwasasleep A happenedB washappenedC happens 7 Insomecountries tea beforemeals A isservingB isservedC s
15、erved 8 Thiskindofbooks well A doesn tsellB isn tsellingC aren tsold 9 I tenminutestodecidewhichsentencewasrightbytheteacher A gaveB wasgivenC wasgiving 10 Teachers ineverypartoftheworld A areneedingB areneededC willneed A B A B B Whenwetalk instant 即时的 messagingtool whichwillbethefirstonejumpingint
16、oyourmind IfyouranswerisQQorMSN Imustsayyou reoutof Today wechat 微信 is themostpopulartextandvoicemessagingtoolallovertheworld Ithashad700millionregistered 已注册的 usersallovertheworduptonow IthasaChinesename Weixin itisnecessaryfortheyoungpeopleinChinatohavethecommunicationtool it salsoanewproductfromTencent 腾讯 sowecancallitQQ syoungbrother Youcanlogin 登陆 toWechatwithyourFacebookaccount 注册账户 orsignup 注册 withyourphonenumber andthenaddyour numbersinyourcontactlist 通讯录 bywhichyoucanchatwithyourfamilyo
