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1、Unit3diefortreatthewoundedsoldierdevelopnewwaysoftakecareofsaveoneslifeatthattimeononesownlearnabouttreatthesickintheend为为而献身而献身医治受伤士兵医治受伤士兵开发开发的新方法的新方法照顾；护理照顾；护理挽救某人的生命挽救某人的生命那时；当时那时；当时靠某人自己靠某人自己了解了解,知道知道治疗病人治疗病人最后最后TranslatethephrasesintoEnglish.Readthesentencesinthepassage,payingattentiontotheund
2、erlinedparts.1.Hesoonrealisedthatmanypeopleweredyingbecausetheydidnotgettohospitalquicklyenough.2.Heinventedspecialmedicaltoolstouseoutsidehospitalsandclosetothefightingareassothatdoctorscouldtreatthewoundedmorequickly.3.Atthattime,therewerefewdoctors,sohehadtoworkveryhardonhisown.because表示表示“因为因为”,
3、着重说明原因着重说明原因,常用常用来引导原因状语从句。如来引导原因状语从句。如:ZhangYangdidntgotoschoolbecausehewasill.张洋因为生病了，所以没去上学。张洋因为生病了，所以没去上学。SheprobablydidntattendthemeetingbecauseIdidntseeherinthehall.她可能没参加会议，因为我在大厅没有见她可能没参加会议，因为我在大厅没有见到她。到她。because引导原因状语从句引导原因状语从句WelearnEnglishsothatwemaygetmoreknowledge.我们学英语为的是获得更多的知识。我们学英语为
4、的是获得更多的知识。Theygotupearlysothattheycouldcatchthefirstbus.他们早起，以便能赶上第一班公共汽车。他们早起，以便能赶上第一班公共汽车。sothat引导的目的状语从句，作引导的目的状语从句，作“以便、为以便、为的是的是”解，从句中通常用解，从句中通常用may(might)或或can(could)。sothat引导目的状语从句引导目的状语从句Itwasraining,sowestayedathome.天下雨天下雨,所以我们呆在家里。所以我们呆在家里。Itsverycold,sowearaheavycoat.外边很冷外边很冷,因此穿一件厚大衣。因此穿
5、一件厚大衣。Itwasdark,soIcouldntseewhatwashappening.天很黑，所以我看不见发生了什么事。天很黑，所以我看不见发生了什么事。so用作连词用作连词,可表示可表示“因此因此,所以所以”so引导原因状语从句引导原因状语从句because“因为因为”，表示直接的原因，语气最，表示直接的原因，语气最强。强。1）why提问的句子，必须用提问的句子，必须用because回答。回答。2）because的从句常放在主句之后。的从句常放在主句之后。3）because不能与不能与so连用。连用。4）because+从句；从句；becauseof+名词短语名词短语Whydidhen
6、otgotoschoolthismorning?Hedidntgotoschoolthismorning_.sickWhydoesshenotanswermyquestion?Becauseshe_.listentomusicItwasraininghard_.carryanumbrellaShewalkedquickly_.catchthebusCombinethewordsintoasentence.Hedoesntlikesnowyweatherbecauseitstoocold.1.too,cold,doesnt,snowy,like,because,weather,its,heThe
7、irnumberisgettingsmallerandsmallerbecausetheirlivingareasarebecomingfarmlands.2.Their,is,smaller,and,because,number,smaller,their,living,getting,areas,are,becoming,farmlandsNormanBethunewantedtohelppeoplesohebecameadoctor.1.NormanBethunewantedtohelppeople.Hebecameadoctor.NormanBethunebecameadoctorbe
8、causehewantedtohelppeople.Jointhesentenceswithbecause,soorsothat.NormanBethuneinventednewtoolsforoperationssothathecouldhelpthewoundedsoldiers.2.NormanBethuneinventednewtoolsforoperations.Hecouldhelpthewoundedsoldiers.NormanBethuneinventednewtoolsforoperations,sohecouldhelpthewoundedsoldiers.NormanB
9、ethunecouldhelpthewoundedsoldiersbecauseheinventednewtoolsforoperations.WeknowwhatlifewaslikeinthecapitalcityoftheNorthernSongDynastybecauseZhangZeduanpaintedapictureaboutit.3.WeknowwhatlifewaslikeinthecapitalcityoftheNorthernSongDynasty.ZhangZeduanpaintedapictureaboutit.ZhangZeduanpaintedapictureab
10、outlifeinthecapitalcityoftheNorthernSongDynasty,soweknowaboutit.sothat引导目的状语从句时，表示引导目的状语从句时，表示“以便；以便；为了为了”，从句中常使用，从句中常使用can/could/may/might/will/would/should等情态动词或助动等情态动词或助动词词sothat引导目的状语从句时，可以与表目的引导目的状语从句时，可以与表目的的动词不定式的动词不定式(not)todo/soas(not)todo/inorder(not)todo互换。互换。注意：注意：主、从句主语不一致时不能转换主、从句主语不一致
11、时不能转换。知识链接知识链接WewenttotheairportsothatwemightmeetProfessorYangthere.WewenttotheairporttomeetProfessorYangthere.WewenttotheairportinordertomeetProfessorYangthere.WewenttotheairportsoastomeetProfessorYangthere.1.Theteachersmustbestrictwithyou_theywantyoutomakegreatprogress.2.Heworried_hecouldntsleep.3
12、.Theshipchangeditscourse_therewasastorm.4._hewasill,hedidntgotoschool.becausesothatbecauseBecauseFillintheblanks.5.Itwasraining,_wehadtostayathome.6.Weopenthewindow_wecankeeptheairfresh.7.Heisnthere_heisill.8.Youmustgonow_youcangetschoolat7:30.9._shehasnomoney,shehastowalkhome.sosothatbecausesothatB
13、ecause1.Itwasfiveoclockintheafternoon_theyclimbeduptothetopofthemountain.A.sinceB.whenC.thatD.until2.Dothink_reading.A.whileB.whenC.asD.for3._thewindow,myhandwascutunexpectedly.A.CleaningB.TocleanC.WhilecleaningD.WhileIwascleaningChoosethebestanswers.BAD4.Idliketoarrive20minutesearlier_Icanhavetimef
14、oracupoftea.A.assoonasB.asaresultC.incaseD.sothat5.Rosesneedspecialcare_theycanlivethroughwinter.A.becauseB.sothatC.evenifD.as6.Ihadjuststeppedoutofthebathroomandwasbusilydryingmyselfwithatowel_Iheardthesteps.A.whileB.whenC.sinceD.afterDBBLinglingthinksSallysaherobecauseshegaveKylieachancetoplay.Nor
15、manBethuneisaheroinChinabecausehehelpedChinesepeopleanddiedforthem.Jointhesentenceswithbecause,so orso that.1.LinglingthinksSallysahero.SallygaveKylieachancetoplay.2.NormanBethuneisaheroinChina.HehelpedChinesepeopleanddiedforthem.NormanBethunetraineddoctorssothattheycouldsavelives.WerespectNormanBet
16、hunebecausehehelpedmanypeople.3.NormanBethunetraineddoctors.Theycouldsavelives.4.WerespectNormanBethune.Hehelpedmanypeople.ZhanTianyoubuiltarailroadsothatpeoplecouldtravelfromBeijingtoZhangjiakou.ZhanTianyoubuiltbridgesandtunnelssothattherailroadcouldgothroughthemountain.5.ZhanTianyoubuiltarailroad.
17、PeoplecouldtravelfromBeijingtoZhangjiakou.6.ZhanTianyoubuiltbridgesandtunnels.Therailroadcouldgothroughthemountain.7.Iamfat.Imustdomoreexerciseeveryday.8.Shewassad.Shelostherfavouritebook.Iamfat,soImustdomoreexerciseeveryday.ImustdomoreexerciseeverydaybecauseIamfat.Shewassadbecauseshelostherfavourit
18、ebook.Shelostherfavouritebook,soshewassad.9.Igotupearly.Icouldcatchtheearlybus.10.Heisill.Hecantgotothecinemawithyou.11.Hisparentscallhimeveryday.Hewontmissthemtoomuch.Hisparentscallhimeverydaysothathewontmissthemtoomuch.IgotupearlysothatIcouldcatchtheearlybus.Heisill,sohecantgotothecinemawithyou.He
19、cantgotothecinemawithyoubecauseheisill.1.(2011四川成都四川成都)Theoldmanaskedthegirltotakeanotherseat_hewantedtositnexttohiswife.A.becauseB.sothatC.so解析：考查连词及状语从句。由句意知解析：考查连词及状语从句。由句意知:那那位老人让那个女孩坐另一座位的位老人让那个女孩坐另一座位的“原因原因”是想坐到妻子旁边。故用是想坐到妻子旁边。故用because（因（因为）引导原因状语从句。为）引导原因状语从句。A2.(2010甘肃甘肃.定西定西)Shehadastomach
20、ache_sheatesomethingbad.A.soB.becauseC.orD.although解析：本题考查连词。句意：她胃疼，因解析：本题考查连词。句意：她胃疼，因为她吃了坏了的东西。吃坏了的东西是为她吃了坏了的东西。吃坏了的东西是导致胃疼的原因，前面是结果，后面是导致胃疼的原因，前面是结果，后面是原因，所以用原因，所以用because引导。引导。B3.(2010广东广东广州广州)Theteacherspeaksveryloudly_allthestudentscanhearher.A.sothatB.becauseC.sinceD.when解析：连词的用法。句意为老师说话的声解析：连词的用法。句意为老师说话的声音很大以便于所有的学生都能听到。音很大以便于所有的学生都能听到。sothat译为译为“以至于，以便于以至于，以便于”。故选。故选AA