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1 我问她所有这些工作是她自己做的还是另有帮手。[误 ]Iaskedherwhethershehaddonealltheworkherselforshehadanyassistance .[正 ]Iaskedherwhethershehaddonealltheworkherselforwhethershehadanyassis tance .析 :两个表示选择的从句由or分开时 ,要重复whether这个词。再如 :Iwonderwhetherhe’llgohimselforwhetherhe’llsendafr… 相似文献
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1 我昨天收到了父母亲的来信。误 :Iheardfrommyparents’letteryesterday.正 :Iheardfrommyparentsyesterday.析 :hearfrom意为“收到……来信” ,其后应以人作宾语而不用letter作宾语。letter作宾语时 ,谓语用receive。2 近来蔬菜价格太贵了。误 :Thepricesofthevegetablesaretooexpen siverecently .正 :Thepricesofthevegetablesaretoohighre cen… 相似文献
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第一部分 :听力 (共两节 ,满分30分 )第一节 (共5小题 ;每小题1.5分 ,满分7.5分 )听下面5段对话。每段对话后有一个小题 ,从题中所给的A、B、C三个选项中选出最佳选项 ,并标在试卷的相应位置。听完每段对话后 ,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。1.Whydoesthemanfeelsorry?A.Becausehecan'tfollowthewoman.B.Becausehehastointerruptthewoman.C.Becausethewomanwalkst… 相似文献
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INTRODUCTIONHemorrhagicfeverwithrenalsyndrome(HFRS)isanaturalfocaldiseasecausedbyvirusesintheHantavirusgenusofthefamilyBunyaviridae.AtleasteightserologicallydistinctHantaviruseswererecognized.HFRSisendemicinChinaandisonlycausedbyHantaanVirus(typeⅠ)trans… 相似文献
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Jianping 《上海大学学报(英文版)》1998,(2)
1IntroductionBecauseofthefastdevelopmentofeconomy,citiesarebecominglargerandlarger.Thetrafic,especialythepublictransportation... 相似文献
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INTRODUCTIONPiezoelectricceramicmaterialshavemanyapplicationsinmoderntechnologiesbecauseoftheirexcellentpiezoelectricproperties.Butcracksarisingfromtheirintrinsicbrittlenessof tencausepiezoelectriccomponentsfailure .Studyofwhatcausesthisrequirestheoret… 相似文献
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1 Introduction Eu3 :Y2 SiO5crystalisusedasanewluminescencematerial.Becausethenuclearmomentsofthecom positeelementsaresmallinthiscrystal,thespin spininteractionbetweenguestandhostionsisminimized .Theguest hostinteractiondoesnotcauselargeaddi tionallinebroade… 相似文献
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1 Introduction Sincethe 90’s ,thefemtosecondlasertechniqueshavebeenusedtostudyvariousultra processwithinmaterials,becauseofitshightime resolution .Inchemicalreactions ,chemicalbondbreakingorbondformationisonthescaleoffemtosecond (10 - 15sec ond) [1] .Withfemtosecon… 相似文献
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Lin Ruisen Xu Yaoliang 《上海大学学报(英文版)》1998,2(3):249-251
1IntroductionAswelknown,theelectricfurnaceisatimedelayinertial,variableparameterandnonlinearcontroledobject.Becauseoflimitati... 相似文献
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Bird鸟1 .Heeatslikeabird .他吃得很少。2 .Abirdinthehandisworthtwointhebush .[谚 ]双鸟在林不如一鸟在手。3 We’reallearlybirdsinmyfamilybecauseweliveonafarm 相似文献
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INTRODUCTIONManydatabaseapplications,suchastelecommunicationsindustry ,factoryautoma tion ,requirehighperformanceandreal timeac cesstodata .DRDBs(DiskResidentDatabase) ,however,areinadequatetomeetsuchrequire mentsbecauseofhighdiskaccessoverheadsfordataretrie… 相似文献
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1 Introduction Thrombusdiseaseofheartandbrainbloodvesselhasbecomeakillerofman .Becauseofthesideeffectsofhaemorrhageortheshorthalf lifeinvivo ,thepre sentanticoagulantdrugsareunsatisfied ,andsearch ingfornewanticoagulantswithhigherefficientandmorestabileha… 相似文献
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Alberto Rocha TONG Fu 《上海大学学报(英文版)》1999,3(4):293-298
1 Introduction Breastcancerisoneofthemostmalignantdiseases,especiallyforwomen.Anearlydetectioncansavelives,achievedbyearlydetectionwithmammograms.Itisanintensivetaskfortheradiologistbecausemultiplereadingsofasinglemammogramarenecessaryinordertoincre… 相似文献
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INTRODUCTIONTheequilibriumbed concentration ,asthebedboundaryconditionforsolvingthedifferen tialequationofsuspendedloadisvitaltomath ematicalmodelingofsedimenttransport.Be causeofdifficultiesinmeasurementsofthebedconcentrationinthefieldandintheexperimen… 相似文献
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1 我决定不参加会议。[误 ]Idecidedtonotattendthemeeting .[正 ]Idecidednottoattendthemeeting .[析 ]动词不定式的否定式是在to前面加not构成的。再如 :Trynottobelate .争取不要迟到。2 很抱歉 ,我星期四没能来。[误 ]I’msorrynottocomeonThursday .[正 ]I’msorrynottohavecomeonThurs day .[正 ]I’msorrythatIdidn’tcomeonThurs day .[析 ]如果不定式所… 相似文献
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1IntroductionSincethe1950s,lanthanideβdiketonateshavebeenextensivelystudiedandwidelyapplied[1-3].Becauseofexcelentlaserprope... 相似文献
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中学生英语常见错误20例析□临洮中学赵玉兰1You’dbetertelhimthenewsatonce.(正)You’dbetertotelhimthenewsatonce.(误)说明:hadbeter,wouldrather,can’tbut等惯... 相似文献
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SONG Yin xiu 《渭南师范学院学报》2002,(Z1)
Teachertalk (TT)isofcrucialsignificanceforallclassrooms ,especiallytheEnglishlanguageteachingclassroom ,becauseinEnglishteaching (ET) ,languageisnotonlytheobjectiveofthecourse ,butalsothemediatoachievetheobjective.Boththeorga nizationoftheclassroomandtheproc… 相似文献
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INTRODUCTIONFormostofthepast WorldWarⅡera,bankingregulationproceededsmoothly .Sincefewbankfailuresoccurred ,academicsandthepublicpaidlittleattentiontothetopic.Becauseofvariousfactors,bankfailureshavebecomecommonsincethe 1 980sandtheinternationalcommunityhas… 相似文献