托福语法提分指导-从属连词及真题要点解析

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1、智课网TOEFL备考资料托福语法提分指导-从属连词及真题要点解析1.主句与从句之间必须有从属连词全真例题分析(1)Thespiralthreadsofaspider*swebhaveastickysubstanceonthem-------insects.(A)traps(B)trapits(C)whichtraps(D)whichittraps(92.1)[答案]C定语从句关系代词which引导从句，且在从句中作主语。(2)Angiospermsinhabitrelativelydiverseenvironmentsandm

2、aybefound-------higherplantscansurvive.(A)there(B)wherever(C)somewhere(D)then(92.5)[答案]B空格前后为两个完整的句子，这里应填入连接词联系主从两句。四个选择只有wherever是连词，引导地点状语从句。(3)DukeWellingtonwasacomposer.Conductor,andpianist------rankedasoneofthegreatestofalljazzfigures.(A)him(B)although(C)or(D)w

3、ho(92.10)[答案]D关系代词who引导定语从句，并作从句的主语。(4)-------.SomeoftheEarth*sinteriorheatescapestothesurface.(A)Avolcanoerupts(B)Avolcanowhethererupts(C)Avolcanoeruptsit(D)Ifavolcanoerupts(93.5)[答案]D从属连词引导条件状语从句。2.关系代词who与which混淆错用解题要点：在writtenExpression(16-40题)中的四个选择答案中出现who或者wh

4、ich，应确认它所指代的是人还是物。全直例题分析(1)FossilremainsindicatethatsquidlikecreaturescalledbelemnitesswamintheseawhocoveredtheNorthAmericancontinent70millionyearsago.(94.5)[答案]C关系代词who指代的是sea，因此应用指物的which或that。(2)Vaccinesforsomerarediseasesaregivenonlytopersonswhichriskexposuretot

5、hedisease.(93.1)[答案]B关系代词which指代前面的persons，应改为人称关系代词who。(3)AnneElizabethMcDowellisbestrememberedforaweeklyjournal,theWoman*sAdvocate,whoshelaunchedinJanuary1855.(91.8)[答案]D关系代词who指代杂志thewoman*sAdvocate,故应改为which。(4)TheattorneygeneraloftheUnitedStatesadvisesthePresid

6、entonanyquestionsoflawwhomayariseintheconductofadministrativeaffairs.(90.10)[答案]B关系代词who指代前文的questionsoflaw，故应改为which或that。3.介词+关系代词which结构解题要点介词+which作用相当于一个关系副词，在从句作状语。可表示时间(=when),地点(=where)，原因(=why)等等。全真例题分析(1)InreorganizingthecurriculumofMt.HolyokeCollegeinthel

7、ate1800*sElizabethMeadlaidthefoundation-------themoderncollegerests.(A)iswhich(B)onwhich(C)whichison(D)onit(91.1)[答案]Bonwhich指代onthefoundation，作用相当于一个表示地点的关系副词。(2)Acircuitmaybedefinedasaclosedpath-------electricitycanHow.(A)throughit(B)throughwhich(C)thatisthrough(D

8、)theregoesthrough(93.3)[答案]Bthroughwhich指代throughthecircuit,作用相当于一个关系副词，而介词through才能准确地表达句子的含义。(3)Theextentoftheharmfuleffectoflocoweedson