英語(yǔ)論文sci寫(xiě)作的萬(wàn)能句型

1、文獻(xiàn)簡(jiǎn)介文獻(xiàn)簡(jiǎn)介1.RecentlyinvestigatshaveexaminedtheeffectsofXonY.2.Inthepasttwodecadesanumberofresearchershavesoughttodetermine......3.Previousstudieshaverepted......4.AconsiderableamountofliteraturehasbeenpublishedonX.Thesestu

2、dies......5.Smith(1984:217)showshowinthepastresearchintoXwasmainlyconcernedwith.......6.SurveyssuchasthatconductedbySmith(1988)showedthat......7.ThefirstseriousdiscussionsanalysesofXemergedduringthe1970swith......8.Recen

3、tevidencesuggeststhat.......9.Severalattempshavebeenmadeto......10.Anumberofresearchershaverepted......11.XswerereptedinthefirstmodelsofY(e.g.Smith1977Smith&Patel1977).12.WhatweknowaboutXislargelybaseduponempiricalstudie

4、sthatinvestigatehow......StudiesofXshowtheimptanceof.....強(qiáng)調(diào)研究領(lǐng)域存在的問(wèn)題強(qiáng)調(diào)研究領(lǐng)域存在的問(wèn)題1.Howevertheserapidchangesarehavingaseriouseffect......2.Howeveramajproblemwiththiskindofapplicationis......3.LackofXhasexistedasahealthprobl

5、emfmanyyears.DespiteitssafetyefficacyXsuffersfromseveralmajdrawbacks:4.Howeverresearchhasconsistentlyshownthatfirstyearstudentshavenotattainedanadequateunderstingof......5.ThereisincreasingconcernthatsomeXsarebeingdisadv

6、antaged......6.DespiteitslongclinicalsuccessXhasanumberofproblemsinuse.7.Questionshavebeenraisedaboutthesafetyofprolongeduseof......強(qiáng)調(diào)前人研究的不足之處強(qiáng)調(diào)前人研究的不足之處1.MoststudiesinthefieldofXhaveonlyfocussedon......2.MoststudiesinX

7、haveonlybeencarriedoutinasmallnumberofareas.3.Thegeneralisabilityofmuchpublishedresearchonthisissueisproblematic.4.Theexperimentaldataarerathercontroversialthereisnogeneralagreementabout......5.Suchexpositionsareunsatisf

8、actybecausethey.....6.Howeverfewwritershavebeenabletodrawonanystructuredresearchintotheopinionsattitudesof......7.TheresearchtodatehastendedtofocusonXratherthanY.8.TheexistingaccountsfailtoresolvethecontradictionbetweenX

9、Y.9.ResearchershavenottreatedXinmuchdetail.10.PreviousstudiesofXhavenotdealtwith......11.Halfofthestudiesevaluatedfailedtospecifywhether......12.Howevermuchoftheresearchuptonowhasbeendeiveinnature....13.Althoughextensive

10、researchhasbeencarriedoutonXnosinglestudyexistswhichadequatelycovers......14.Howevertheseresultswerebasedupondatafromover30yearsagoitisunclearifthesedifferencesstillpersist.15.Xsanalysisdoesnottakeaccountof.....ndoesheex

11、amine......重申研究目的重申研究目的1.PartoftheaimofthisprojectistodevelopsoftwarethatiscompatiblewithXoperatingsystem.2.Themainpurposeofthisstudyistodevelopanunderstingof......3.Therearetwoprimaryaimsofthisstudy:1.Toinvestigate.....