四六级阅读需要掌握的72个关键句三
Onemayaswellnotknowathingatallasknowitbutimperfectly.
39."haveonlyto…do"构造，此构造默示"只须（消）……就能……"的意思。
WehaveonlytoturntothatextraordinarydiscoverymadebyEdisontoseethesignificanceofit.
40."not（no）…unless…"句型
Noincreaseinoutputcanbeexpectedunlessanewassemblylineisinstalled.
41."better…than…"句型
Bettermylifeshouldbeendedbytheirhate，thanthathatedlifeshouldbeprolongedtolivewithoutyourlove.
42."asitwere"是一个非常常用的插进语，意思是"好象"，"可以说"等。
Apieceofironnearamagnet，thoughapparentlyseparatefromit，feels，asitwere，thethreadsofthisattachment.
43.庞大构造，鄙人面例句中，因为anyone的定语从句过长，把谓语mustrealize提到定语从句之前。
Thoughfaithandconfidencearesurelymoreorlassforeigntomynature，Idonotinfrequentlyfindmyselflookingtothemtobeable，diligent，candid，andevenhonest.Plainlyenough，thatistoolargeanorder，asanyonemustrealizewhoreflectsuponthemannerinwhichtheyreachpublicoffice.
44."not…anymorethan…"为："不能……，正如不能……".
Onecannotlearntosketchandexpresshimselfgraphicallyonlybyreadingaboutitanymorethanonecanlearntoswimwhilestandingbythepool.
45."Bythatasitmay"是"Letitbethatasitmay"的省略形式，是由"be"惹起的另外一种假定构造，意思是"固然如斯，虽然如许".
Itissaidthatthenervepoisonisthemoreprimitiveofthetwo，thatthebloodpoisonis，sotospeak，anewproductfromanimprovedformula.Bethatasitmay，thenervepoisondoesitsbusinesswithmanfarmorequicklythanthebloodpoison.
46."ifatall"是一个由"if"惹起的主谓构造不完整的短句结为"即将……"，"即便……"等。
Icanseeonlywithgreatdifficulty，ifatall.
47.由there惹起的句型随便发作庞大的句子构造。
Therehavebeenopeneduptothevastandexcellentscience，inwhichmyworkisthebeginning，waysandmeansbywhichothermindsmoreaccuratethanwinewillexploreitsremotecorners.
48."rangefrom…to…"构造。这是一个罕见构造，译时良多情况下应变通处理，不能完全寄假称典上的释义。
Computerapplicationsrangefromanassemblylinecompletelyrunbycomputerstoachildrentoyrespondingtoremotesignals.
49."theway…"构造
Ialwaysthoughtshewasacommon-sensepersonwhodiscussedthingsthewaytheyoughttobediscussed.
50.庞大宾补构造
Inrecentyears，thedevelopmentofsensitiveandaccuratemeasuringequipmenthasmadeitpossibletomeasuretheacuityofhearingofanyindividualatdifferentfrequencies.
61.英语的一个习尚用法是：当否定谓语think（believe）时，理想上能否定其背面的宾语从句。否定就落在宾语从句上。如许宾语从句就变成了双重否定，译时可以按双重否定译，也可按一定来译。
Itisavaluablework.Idonotthinkanyonewritessowellthathecannotlearnmuchfromit.
62."tohavenot…（as）tosee…"中的不定式也有否定意味。
Hehadnotthegoodbreedingtoseethatsimplicityandnaturalnessarethetruestmarksofdistinction.
63."Itoccurredtosb.that…"意为"突然想到"，"Itdawnedonsb.that…"."突然想起"等。〈泳涫窍肫鸬哪谌荨? Irememberoncebeingonabusandlookingatastranger.Hesuddenlylookedbackatme-i.e.oureyesmet.Myinstinctivereactionwastoavertmygaze.ItoccurredtomethatifIhadcontinuedtomaintaineyecontact，Iwouldhavebeenrudeandaggressive.
关键字：掌握关键 四六级 四六级报名 四六级成绩盘问 英语四六级