托福阅读插入题解题技巧

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1、智课网TOEFL备考资料托福阅读插入题解题技巧1、结构突破法。所谓结构突破法，第一步就是观察被插入句的特殊结构(如比较句、平行句等)，然后从目标句中挑选出与被插入句结构相似的句子，最后判断它们的先后顺序。请看下面的例题Paragraph2■AnothertaskfortheGlomarChallenger’sscientistswastotrytodeterminetheoriginofthedomelikemassesburieddeepbeneaththeMediterraneanseafloor.■These

2、structureshadbeendetectedyearsearlierbyecho-soundinginstruments,buttheyhadneverbeenpenetratedinthecourseofdrilling.■WeretheysaltdomessuchasarecommonalongtheUnitedStatesGulfCoast,andifso,whyshouldtherehavebeensomuchsolidcrystallinesaltbeneaththeflooroftheMedite

3、rranean?■12.Lookatthefoursquares[■]thatindicatewherethefollowingsentencecouldbeaddedtothepassage.Thus,scientistshadinformationabouttheshapeofthedomesbutnotabouttheirchemicalcompositionandorigin.Wherewouldthesentencebestfit?注意到被插入句是一个很对称的结构，but前面是个肯定句，后面是个否定句，而

4、第二个方框后面的句子也是同样的结构，再结合被插入句的第一个单词“thus”可知，被插入句应该插在第三个方框处。2、关键词突破法。关键词包括代词、逻辑词等，根据这些关键词，我们可以快速地锁定要插入的位置。请看下面的例子Paragraph5:NotonlycouldSmithidentifyrockstratabythefossilstheycontained,hecouldalsoseeapatternemerging:certainfossilsalwaysappearinmoreancientsediments,

5、whileothersbegintobeseenasthestratabecomemorerecent.█Byfollowingthefossils,SmithwasabletoputallthestrataofEngland'searthintorelativetemporalsequence.█Aboutthesametime,GeorgesCuviermadethesamediscoverywhilestudyingtherocksaroundParis.█Soonitwasrealizedthatthisp

6、rincipleoffaunal(animal)successionwasvalidnotonlyinEnglandorFrancebutvirtuallyeverywhere.█Itwasactuallyaprincipleoffloralsuccessionaswell,becauseplantsshowedthesametransformationthroughtimeasdidfauna.LimestonemaybefoundintheCambrianor—300millionyearslater—inth

7、eJurassicstrata,butatrilobite—theubiquitousmarinearthropodthathaditsbirthintheCambrian—willneverbefoundinJurassicstrata,noradinosaurintheCambrian.13.Lookatthefoursquares[█]thatindicatewherethefollowingsentencecouldbeaddedtothepassageThefindingsofthesegeologist

8、sinspiredotherstoexaminetherockandfossilrecordsindifferentpartsoftheworld.Wherewouldthesentencebestfit?此题关键词是代词“thesegeologists”，由此可知它的前面提到了一些地质学家，可考虑放在第三个方框处，代入后发现前后语义非常连贯。关键词突破法可