-1-大学英语语法专题练习从句练习1.Ihopealltheprecautionsagainstairpollution,_____suggestedbylocalgovernment,willbeseriouslyconsideredhere.A)whileB)sinceC)afterD)as2.Theproblemof________toselectashissuccessorwasquicklydisposedof.A)whatB)whomC)whichD)how3.____youropinionsareworthconsidering,thecommitteefindsitunwisetoplacetoomuchimportanceonthem.A)AsB)SinceC)ProvidedD)While4.Thisisanidealsiteforauniversity_______itisfarfromthedowntownarea.A)providedthatB)sothatC)nowthatD)inthat5.Youwillwanttwotreesabouttenfeetapart,from_______tosuspendyourtent.A)thereB)themC)whichD)where6._______quiterecently,mostmothersinBritaindidn'ttakepaidworkoutsidethehome.A)BeforeB)UntilC)FromD)Since7.___________Iadmitthatthereareproblems,Idon'tthinkthattheycannotbesolved.A)UnlessB)UntilC)AsD)While8.Johnseemsaniceperson._______,Idon'ttrusthim.A)EventhoughB)EvensoC)ThereforeD)Though9.Amanescapedfromtheprisonlastnight.Itwasalongtime_______theguardsdiscoveredwhathadhappened.A)beforeB)untilC)sinceD)when10.Nosoonerhadwereachedthetopofthehill______weallsatdowntorest.A)whenB)thenC)thanD)until11._______wehavefinishedthecourse,weshallstartdoingmorerevisionwork.A)FornowB)NowthatC)EversinceD)Bynow12._____isknowntotheworld,MarkTwainisagreatAmericanwriter.A)ThatB)AsC)WhichD)h13.Justasthesoilispartoftheearth,________theatmosphere.A)asitisB)thesameisC)soisD)andsois14.Theydecidedtochasethecowaway_______itdidmoredamage.A)unlessB)untilC)beforeD)although15.Britain'spressisunusual_______itisdividedintotwoverydifferenttypesofnewspaper:thequalitypressandthepopularpress.A)inhowB)inwhatC)inwhichD)inthat16.Weagreetoaccept____theythoughtwasthebesttouristguide.A)whateverB)whomever-2-C)whicheverD)whoever17.Theseniorlibrarianatthecirculationdeskpromisedtogetthebookforme______shecouldrememberwholastborrowedit.A)eversinceB)muchasC)eventhoughD)ifonly18.Thereare110elementsfoundontheearth,____aremetals.A)mostofthatB)mostofwhomC)whichofmostD)mostofwhich19.Hisgrandmother,________heoftensendsmoneyto,existsotherwiseonasmallpension.A)whomB)whoseC)thatD)which20.He'sadoctor,_______washiswifebeforeshehadchildren.A)forB)asC)whichD)like21.______itisyou'vefound,youmustgiveitbacktothepersonitbelongsto.A)WhateverB)HoweverC)ThatD)Because22.Thereisn'tanydifferencebetweenthetwo.Ireallydon'tknow_______.A)wheretochooseB)tochoosewhatC)whichtochooseD)tochoosewhich23.Thethoughtssuddenlycametome_______perhapstheyhadalreadygotaheadofus.A)whatB)whichC)whoseD)that24._______magnetismfirstfoundapracticaluse.A)ThatwasinthecompassB)ItwasinthecompassC)Itwasthecompassthatl))Thatwasthecompass25.Thereisnodoubt_______hewillattendthemeeting.A)thatB)whetherC)whichD)what26.Wewantsuchmaterial_____canwithstandhightemperatureandstrongstress.A)thatB)asC)whichD)what27.IwouldsayHenryisnot_____muchawriterasareporter.A)thatB)soC)thisD)as28.Studythenextlesson_______youwillknowmoretoo.A)otherwiseB)andC)butD)orelse29.________,motherwillwaitforhertohavedinnertogether.A)HoweverlateissheB)HoweversheislateC)HoweverisshelateD)Howeverlatesheis30.Ihopethatthelittle________I'vebeenabletodohasbeenofsomeuse.A)thatB)whichC)whoD)whose-3-【keyandexplanation】1,答案D。全句意思是:我希望所有预防空气污染的措施,如同当地政府所建议的那样,在这里都将被认真加以考虑。该句中的连词as与过去分词suggested连用,表示“正如...一样”。2.答案B。全句意思是:选谁作为他的继承人这个问题经被很快解决了。“疑问词牛不定式”结构在句中作介词of的宾语,而空缺部分应该作select的逻辑宾语,因此只有whom符合句子要表达的意思。3,答案D。全句意思是:尽管你的意见值得考虑,但委员会认为过分重视它是不明智的。while在这里是一个连词,表转折关系,意为“然而,虽然,尽管”。又如:Whilerespected,heisnotliked.管他受人尊敬,但并不被人喜爱。as和since表示原因,provided意为“假使”,用在本题中语意都不通。4.答案Do全句意思是:这是设立大学的理想场所,因为这儿远离闹市。这里的inthat引导原因状语从句,意为“由于,因为”。Providedthat常引导条件状语从句,意为“如果”,nowthat意为“既然、由于”,sothat常引导结果或目的状语从句,意为“以致于”或“以便”。5.答案C。全句意思是:你将需要两棵相距10英尺的树来挂你的帐篷。该句中which为关系代词引导定语从句,代替twotrees。由于前面有介词,所以用which作介词的宾语,其他选项均不合题意。6,答案B。全句意思是:在英国大多数作母亲的人直到最近才外出从事有偿劳动。该句中not...until结构为考点。until放在副词recently前,引导的状语部分前置,和否定的主句呼应,构成not...until的搭配,表示“直到...才”。7.答案D。全句意思是:尽管我承认有困难,但我认为它们不是不能解决的。while这里不表示动作在同一时间进行,而是一个连词,表示语气的转折,可译为“尽管,然而,但是”。根据该句的含义,其他三项均可排除。8.答案B。全句意思是:约翰看起来像个很好的人。即使如此,我并不信任他。根据上下文的含义,空缺中应填人表达转折意思的副词。B项Evenso相当于副词nevertheless,意为“即使如此,然而”。而eventhough意为“纵然”,是引导让步状语从句的连接词,不是副词。though虽然可用作表示转折意思的副词,但它通常置于句尾或插于句子中间。therefore虽是副词,但意为“因此”,因而不能用于本题。9.答案A。全句意思是:昨夜有人从监狱逃走,很长时间后警卫人员才发现。该句中before表示“在...以前”,但在翻译时为了更清楚地表达句子含义,通常译为“在...之后才发生”。又如:Newideassometimeshavetowaitforyearsbeforetheyarefullyaccepted.有时候,新思想要等待多年以后才为人们完全接受。until是“直到...”的意思,since是“自从...以来”的意思,when通常表示“在...时”,三个选项在本题均不妥。10.答案C。全句意思是:我们一到山顶,大家都坐下来休息。该句中的nosooner...than是一个复合连词,表示“一...就...”,类似的结构还有scarcely...when,hardly...when等。但要注意nosooner或scarcely,hardly放在句首时,要用倒装语序。又如:Nosoonerwashebackhomethanherealizedhismistake.他一回到家就意识到了自己的错误。11.答案B。全句意思是:我们学完了这门课程,所以我们可以开始在复习上花更多时间。从全句的意思来看,应填人一个表示因果关系的连接词。nowthat是一个复合连接词,表示“既然”,有时也可省略that。Fornow表示“目前、眼下”,Bynow表示“至今”,都只能作状语,不能起连接词的作用。eversince可以起连接词的作用,但表示“从...以来”,与全句意思不合。12.答案B。全句意思是:全世界都知道,马克·吐温是一位伟大的美国作家。从句子的结构可知前后是两个分句,因此空缺处应填人一个连接成分。as作关系代词,位于句首代替整个主句。as在从句中作谓语动词isknown的主语。if不是连接手段,如果句首用it,全句可改为:ItisknowntotheworldthatMarkTwainisagreatAmericanwriter.Which可用来代替整个主句,但必须位于主句之后。13.答案C。全句意思是:正如土壤是地球的一部分,大气也是地球的一部分。“(just)as+从句,so+主句”结构是英语中常见的比喻结构。a