届二轮复习七选五专题卷2.docx

届二轮复习七选五专题卷2.docx

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届二轮复习七选五专题卷2

二轮专题七选五

（2）

Passage1

根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。

选项中有两项为多余选项。

TheScienceofRisk－Seeking

Sometimeswedecidethatalittleunnecessarydangerisworthitbecausewhenweweightheriskandthereward，theriskseemsworthtaking.__1__Someofusenjoyactivitiesthatwouldsurpriseandscaretherestofus.Why?

Expertssayitmayhavetodowithhowourbrainswork.

Thereasonwhyanyofustakeanyrisksatallmighthavetodowithearlyhumans.Risk－takerswerebetterathunting，fighting，orexploring.__2__Asthequalityofrisk－takingwaspassedfromonegenerationtothenext，humansendedupwithasenseofadventureandatoleranceforrisk.

Sowhyaren’twealljumpingoutofairplanesthen?

Well，even200，000yearsago，toomuchrisk－takingcouldgetonekilled.Afewdaringsurvived，though，alongwithafewstay－in－the－cavetypes.Asaresult，humansdevelopedarangeofcharactertypesthatstillexiststoday.Somaybeyoulovecarracing，ormaybeyouhateit.__3__

Nomatterwhereyouareontherisk－seekingrange，scientistssaythatyourwillingnesstotakerisksincreasesduringyourteenageyears.__4__Tohelpyoudothat，yourbrainincreasesyourhungerfornewexperiences.Newexperiencesoftenmeantakingsomerisks，soyourbrainraisesyourtoleranceforriskaswell.

__5__Fortherisk－seekersapartofthebrainrelatedtopleasurebecomesactive，whilefortherestofus，apartofthebrainrelatedtofearbecomesactive.

Asexpertscontinuetostudythescienceofrisk－seeking，we’llcontinuetohitthemountains，thewavesortheshallowendofthepool.

A．Italldependsonyourcharacter.

B．Thosearetherisksyoushouldjumptotake.

C．Beingbetteratthosethingsmeantagreaterchanceofsurvival.

D．Thus，thesewell－equippedpeoplesurvivedbecausetheywerethefittest.

E．Thisiswhenyoustarttomoveawayfromyourfamilyandintothebiggerworld.

F．However，wearenotallusingthesamereferencestandardtoweighrisksandrewards.

G．Newbrainresearchsuggestsourbrainsworkdifferentlywhenwefaceanervoussituation.

【语篇导读】　本文为说明文。

主要探讨了为什么某些人喜欢冒险，它们冒险的动机是什么等。

1．F　[根据空前面的“weightheriskandthereward”可以看出和F项中的“weighrisksandrewards”对应，同时F项与空格前面的一句话之间是转折关系，句意衔接紧密，故选F。

]

2．C　[根据空前面的“betterathunting，fishing，orexploring”可以看出和C项中的“Beingbetteratthosethings”相呼应。

故选C项。

]

3．A　[空格前第二句中出现charactertypes与A选项中的character相对应；空格前一句中的you与选项中的your在人称上保持一致，空格前一句中动词love与hate和A选项中的dependson保持对应，故选A项。

]

4．E　[空格前一句出现了teenageryears与E选项当中的this相对，另外E选项当中提到moveawayfromfamilyintothebiggerworld也是对空格前一句中的teenageryears的解释。

故选E项。

]

5．G　[空格后一句中提及pleasure和fear，是从正反两方面进行对比，对应G项中的differently，再根据空格后一句中出现的risk－seeker，brain，us等词与选项G中的nervoussituation，ourbrains相对应，故选G项。

]

Passage2

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。

选项中有两项为多余选项。

Bothmenandwomenarelivinglongerthesedaysinindustrializedcountries.__1__Ingeneral,theycanexpecttolivesixorsevenyearsmorethanmen.Onereasonforthisisbiological.

Oneimportantbiologicalfactorthathelpswomenlivelongeristhedifferenceinhormonesbetweenmenandwomen.__2__Betweentheagesofabout12and50,womenproducehormonesthatareinvolvedinfertility（生育能力）．Thesehormonesalsohaveapositiveeffectontheheartandthebloodflow.Infact,womenarelesslikelytohavehighbloodpressureortodiefromheartattacks.

__3__Theyhelpthebodydefenditselfagainstsomekindsofinfections.Thismeansthatwomengenerallygetsicklessoftenandlessseriouslythanmen.Thecommoncoldisagoodexample:

women,onaverage,getfewercoldsthanmen.

__4__Scientistsarestillnotexactlysurehowgenesinfluenceaging,buttheybelievethattheydo.Somethinkthatawoman’sbodycellshaveatendency（倾向）toagemoreslowlythanaman’s.Othersthinkthataman’sbodycellshaveatendencytoagemorequickly.__5__

A．However,women,onaverage,livelonger.

B．Thebiologicalfactorplaysanimportantpart.

C．Womenarealsohelpedbytheirfemalegenes.

D．Thefemalehormonesalsoprotectthebodyinanotherway.

E．Recentresearchseemstosupportbothofthesepossibilities.

F．Therefore,womenaremorehealthythanmenandcanliveabetterlife.

G．Hormonesarechemicalswhichareproducedbythebodytocontrolvariousbodyfunctions.

【语篇导读】　这是一篇说明文。

介绍了女性比男性寿命长的原因。

1．A　[上下文过渡句。

根据空后的“theycanexpecttolivesixorsevenyearsmorethanmen”可知，这是对空格处作进一步的说明。

]

2．G　[上下文过渡句。

空格前句说明女性比男性寿命长的原因在于“hormones”的不同，接着对“hormones”作进一步的解释。

]

3．D　[上下文过渡句。

空后三句主要讲述雌激素在抵抗疾病方面的作用。

]

4．C　[上下文过渡句。

空后主要讲述基因与年老的关系。

C项中的genes与空后句中的genes是原词复现。

]

5．E　[细节支撑句。

空前讲述了科学家们的两种不同观点，E项中的“bothofthesepossibilities”指的就是这两种不同观点。

]

Passage3

根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。

选项中有两项为多余选项。

A．Getinvolvedinstudentactivities

B．Yourvoiceisactuallysuperimportant

C．Thereisasignificantincreaseofopportunities

D．Stayinactivecommunicationwithyourfriends

E．Getsmartaboutthepeoplewhoyouspendyourtimewith

F．Yourmajordoes