高中英语必修二-第四单元-单元测试卷(2套题)-新人教版

必修二Unit4《Wildlifeprotection》单元测试1笔试部分：I.单项选择1.Inmyopinion,_____wildanimalsshouldbeallowedtolivein_____wild.A.X;XB.the;theC.X;theD.the;X2.Newwayshavetobefoundto______wildlifebeingendangered.WhichofthefollowingisnotOK?A.keepB.protectC.preventD.stop3.I'dliketobeafriend_____you.Idon'twanttomakeanenemy____you.A.of;ofB.to;toC.to;ofD.of;to4.Thetwoneighboringcountrieshavebeen_____peacewitheachotherforyears,thatis,theyhavelived_____peacewitheachotherforalongtime.A.in;atB.in;inC.at;inD.in;at5.Itisreportedthat______hasbeendiscoveredintherainforestinBrazil.A.newspeciesB.anewspeciesC.anewspecieD.newspecie6.Withnomorewoodaddedtothefire,itfinallydied______.A.awayB.downC.outD.off7.Onceharmis_______totheeco-system,allspecieswill________,includingmanhimself.A.made;beindangerB.done;bedangerousC.caused;beendangeredD.done;beindanger8.Whenhewasaskedaboutthequestionwherehewaslastnight,hewas______.A.atlossB.inalossC.atalossD.withlosses9.Idon'tthinkthechangeoftimetablewill_____ourplanmuch.A.effectB.affectC.beaffectedD.beeffected10.Moreattentionshouldbepaidto______ourenvironment.A.protectB.protectingC.preventD.preventing11.Herpalefacesuggeststhatshe______inpoorhealthandstronglysuggestthatshe_____adoctor.A.is;seesB.be;seeC.is;seeD.be;shouldsee12.Ithasnotbeendecidedwhowill______tothepostofchairmanoftheboard,theformerholderofwhichsucceeded______thecompanyworldfamous.A.hold;tomakeB.succeed;inmakingC.stick;makingD.lead;tomake13.Whenshesawtheenvelopthat______manypicturesofherpersonallife,thegirlcouldnolonger______herangerandburstintoabuses(脏话)A.included;holdB.contained;containC.therewere;stopD.had;prevent14.Insects,______mosquitoes,flies,butterfliesandsoon,havetheirfunctionsin_____nature.A.like;theB.suchas;XC.including;XD.containing;the15.Furcoatsaregoodmeansto______peoplefromfrostbitesincoldwinter.A.stopB.preventC.protectD.keep16._____areportfromWWF,theglobalwarminghasgreatly_______wildlifeontheearth,destroyingordamagingthehabitatstheyarelivingin.A.Accordingto;affectedB.With;effectedC.From;effectonD.For;endangered17._______thecompetitioninsocietyisbecomingfiercerandfiercer,moreandmorepeopleturnto______drugstoreducetheirpressure.A.With;takingB.As;takeC.With;takeD.As;taking18.Ifagrainofdustisunfortunatelyblownintoyoureyes,doyouthinkit_____yourseyestomakeitout?A.ofanyusetorubB.anyuserubbingC.ofanyuserubbingD.usefultorubbing19._______intheocean,itbecomespowerlessonceitisonthebeach.A.HoweverawhaleispowerfulB.HoweverpowerfulawhaleisC.WhateverapowerfulwhaleisD.Whateverpowerfulawhaleis20.WorldWildlifeFund______verymuchtheeffortsthatChinahasmadetoprotectendangeredspeciesfrombeingfurtherendangered.A.enjoysB.prefersC.lovesD.appreciates21.Itisbelievedthatanewkindofdrug______bythescientistsandtheyarehopefulthattheywillsucceedinacoupleofmonths.A.hasbeendevelopedB.isbeingdevelopedC.isdevelopingD.hasdeveloped22.—Isthiscoatyours?—No,mine__________therebehindthedoor.A.ishangingB.isbeinghangedC.hashungD.ishung23.Twobuildingworkersgotseriouslywoundedwhenthestadium_______.A.wasbuiltB.wasbeingbuiltC.builtD.isbeingbuilt24.Rainforests_____andburnedatsuchaspeedthattheywilldisappearfromtheearthinthenearfuture.A.cutB.arecutC.arebeingcutD.havebeencut25.—Haveyougotyourtestresult?—Notyet.Thepapers______.A.arecorrectingB.arecorrectedC.havebeencorrectedD.arebeingcorrectedII.完形填空：Howmenfirstlearnttoinventwordsisunknown;26,theoriginoflanguageisamystery.Allwereallyknowisthatmen,27animals,somehow28certainsoundstoexpressthoughts,actions,andthings,29theycouldcommunicatewitheachother;andthatlatertheyagreed30certainsigns,31letters,whichcouldbecombinedtorepresentthosesounds,and32couldbewrittendown.Thesesounds,33spoken,orwritteninletters,wecallwords.The34ofwords,then,liesintheirassociations---thethingstheybringupbeforeourminds.Wordsbecomefilledwith35forusbyexperience.36welive,themorecertainwordsrecalltousthegladandsadeventsofour37andthemorewereadandlearn,themore38wordsthatmeansomethingtousincreases.Greatwritersarethose39notonlyhavegreatthoughtsbutalso40thesethoughtsinwordswhichappealpowerfullytoourmindsandemotions.Thischarmingandtellinguseofwordsis41wecallliterarystyle.Aboveall,therealpoetisamatterof42.hecanconvey(传达)hismeaninginwordswhichsinglikemusic,andwhichbytheirpositionandassociationcan43mentotears.Weshouldthereforelearnto44ourwordscarefullyandusethemaccurately,45theywillmakeourspeechsillyandvulgar(粗俗的).26.A.inotherwordsB.wordforwordC.inawordD.inword27.A.unlikeB.likeC.asD.with28.A.discoveredB.foundC.createdD.invented29.A.unlessB.sothatC.asifD.incase30.A.toB.withC.uponD.at31.A.formedB.spokenC.writtenD.called32.A.whatB.whichC.whomD.as33A.whetherB.neitherC.eitherD.if34.A.energyB.forceC.powerD.strength35.A.soundsB.pronunciationC.structureD.meanings36.A.ThelongerB.LongC.LongerD.Thelong37.A.pastB.presentC.nowD.future38.A.anumberofB.thenumberofC.thenumberD.numbersof39.A.whoB.thatC.whatD.they40.A.sayB.writeC.explainD.express41.A.whatB.howC.whyD.which42.A.thoughtsB.himselfC.wordsD.poems43.A.moveB.letC.getD.make44.A.electB.selectC.decideD.choose45.orB.andC.soD.butIII阅读理解AIfyouseeoverweightlikeeightymillionotherAmericans,thereisstillhopeforyou.Whatyouneedistochangeyoureatinghabitsforever.Youbeginbykeepingacompleterecordofwhat,where,whenandhowyoueat.Onceyouunderstandyourbadeatinghabits,youwillfinditeasiertoexchangethemforgoodones.Sokeepadiaryansweringthefollowingquestions:WhatdoIeatduringaday?Recordeverybitoffoodanddrinkyouputinyourmouth.Thisincludesthatcrackeryouatewhileopeningthecanofsoup.ItincludesthatCocaColayousippedfromyourfriend'sglass.Itincludesyourchewinggum.AndrememberwhenyoustuckyourfingerIthepeanutbutterjar.Remembereverything!Mostpeopleareastonishedatwhattheyeatanddrinkinoneday.BehaviorChange:Makealistofwhatyouplantoeatduringthedayandfollowyourplan.Whereandwhenyoueat?Doyoueatstandingorlying?Doyoueatwhilecooking,readingwatchingTVordriving?Doyoueatwhenupset,angry,worried,orhurried?Doyourewardorpunishyourselfwithfood?BehaviorChange:Eatthreeplannedmealsonly.Situpstraightatyourtable.Donothingbuteat.HowdoIeat?Mostofuseatontherun.Whenweeatfast,ourstomachsdon'tgetthemessagethatwearefull.Sowekeepeating.BehaviorChange:lookatyourfood.Giveyourselfachancetoresistitssightandsmall.Chewslowly.Cutupyourfoodintosmallpiecesandeatonepieceatatime.Letyourfooddigestandlistentothemessagefromyourstomachbeforeyoureachforseconds.46.Whatisthemainideaofthispassage?A.Don'tworryifyouareoverweight.B.Eatlessanddrinklessifyouareoverweight.C.Thispassageurgesyoutoloseweightbychangingyoueatinghabits.D.Keepgoodeatinghabitswhateverandhoweveryoueat.47Thesentence“Mostpeopleareastonishedatwhattheyeatanddrinkinoneday”implies_____.A.wedon'tknowhowmuchweeatB.weeatsolittleinonedayC.weeattoomuchinonedayD.weeatalotinoneday48.Theunderlinedword“cracker”inthethirdparagraphprobablymeans_____.A.akindoffoodB.akindofdrinkC.awayyoueatD.atoolforopeningacan49.Theauthorsuggeststhatyoushouldnotreachyourhandforsomemorefood_____.A.beforeyoufeelfullB.afteryougetthemessagethatyouarefullC.beforeyougetthemessagethatyouarefullD.afteryourfooddigestsBAnewplanforgettingchildrentoandfromschoolisbeingstartedbyalocalgovernmentinEasternEngland.Thiscouldendtheworriesofmanyparentsfearfulfortheirchildren'ssafetyontheroads.Untilnowthelocalgovernmenthavebeenpreparedtoprovidebusservicesforchildrenlivingmorethanthreemilesfromtheirschool,orsometimeslessifspecialreasonsexisted.Nowithasbeendecidedthatifagroupofparentsaskforhelpinorganizingtransporttheywillbepreparedtogoahead,aslongasthearrangementwillnotlosemoneyandchildrentakingpartwillbeattendingtheirnearestschool.ThenewplanistobefiredoutthistermforchildrenlivingatMiltonwhoattendImpingtonSchool.Thechildrenlivejustwithinthethree-milelimitandthelocalgovernmentsaidinthepastthattheywouldnotundertaketoprovidefreetransporttotheschool.ButnowtheyhaveagreedtoofferasumofmoneyforabusservicefromMiltontoImpingtonSchoolandback,aplanwhichhasthesupportoftheschool'sheadmaster.Between50and60parentshavesaidtheywouldliketheirchildrentotakepart.Finalcalculationshavestilltobecarriedout,butagovernmentofficialhassaidthecosttoparentsshouldbelessthan£20aterm.TheyhavebeenabletoarrangetheserviceatalowcostbecausethereisalreadyanagreementwiththebuscompanyforabustotakechildrenwholivefurtherawaytoImpington.ThesamebuswouldnowjustmakeonemorejourneytopickuptheMiltonchildren.Theofficialsaidtheywouldgetintouchwithothergroupsofparentswhointhepasthadaskediftransportcouldbeprovidedfortheirchildren,toseeiftheywouldliketotakepartinthenewplan.50.Whatistheaimoftheplan?A.Topreventthestudents'roadaccident.B.Torelievethetrafficpressure.C.Tosavetimefortheparentsandstudents.D.Tohelptheparentssavemoney51.Howcanthelocalgovernmentarrangethenewbusserviceatalowcost?A.Bylettingthebusruninthemorningonly.B.Bylimitingthenumberofthestudents.C.Bygettingthesupportfromtheheadmaster.D.Bylinking(连接)thenewbusservicewiththeexistingone.52.Whichofthefollowingispossibleiftheplaniscarriedout?A.Thebuscompanywillmakemuchmoremoney.B.Thechildrencanchoosewhateverschooltheylike.C.Theparentscangetridoftheirworries.D.ThestudentsinImpingtonschoolcanhavefreebusrides.53.Thispassageismostprobably______.A.apersonalletterB.anadvertisementC.aheadmaster'sreportD.anewspaperarticleCGrown-upsknowthatpeopleandobjectsaresolid.Atthemovies,weknowthatifwereachouttotouchTomCruise,allwewillfeelisair.Butdoesababyhavethisunderstanding?Toseewhetherbabiesknowobjectsaresolid,T.Bowerdesignedamethodforprojectinganopticalillusion(视觉影像)ofahangingball.Hisplanwastofirstgivebabiesarealball,onetheycouldreachoutandtouch,andthentoshowthemtheillusion.Iftheyknewthatobjectsaresolid,andtheyshowsurpriseintheirfacesandreachoutfortheillusionandfoundemptyair,theycouldbeexpectedmovements.Allthe16-to24-week-oldbabiestestedweresurprisedwhentheyreachedfortheillusionandfoundthattheballwasnotthere.Grown-upsalsohaveasenseofobjectpermanence.Weknowthatifweputaboxinaroomandlockthedoor,theboxwillstillbetherewhenwecomeback.Butdoesababyrealizethataballthatrollsunderachairdoesnotdisappearorgotonever-neverland?Experimentsdonebybowersuggestthatbabiesdevelopasenseofobjectpermanencewhentheyareabout18weeksold.Inhisexperiments,Bowerusedatoytrainthatwentbehindascreen.When16-week-oldand22-week-oldbabieswatchedthetoytraindisappearbehindtheleftsideofthescreen,theylookedtotheright,expectingittoreappear.Iftheexperimentertookthetrainoffthetableandliftedthescreen,allthebabiesseemedsurprisednottoseethetrain.Thisseemstoshowthatallthebabieshadasenseofobjectpermanence.Butthesecondpartoftheexperimentshowedthatthiswasnotreallythecase.Theresearchersubstituted(替换)aballforthetrainwhenitwentbehindthescreen.The22-week-oldbabiesseemedsurprisedandlookedbacktotheleftsideforthetrain.But16-week-oldbabiesdidnotseemtonoticetheswitch(更换).Thus,the16-week-oldbabiesseemedtohaveasenseof“somethingpermanence,”whilethe22-week-oldbabieshadasenseofobjectpermanencerelatedtoaparticularobject.54.Thepassageismainlyabout______.A.babies'senseofsightB.effectsofexperimentsonbabiesC.babies'understandingofobjectsD.differenttestsonbabies'feelings55.InParagraph3,“objectpermanence”meansthatwhenoutofsight,anobject______.A.stillexistsB.keepsitsshapeC.stillstayssolidD.isbeyondreach56.WhatdidBoweruseinhisexperiment?A.AchairB.AscreenC.AfilmD.Abox57.Whichofthefollowingstatementsistrue?A.Thebabiesdidn'thaveasenseofdirection.B.TheolderbabiespreferredtoytrainstoballsC.Theyoungerbabieslikedlookingformissingobjects.D.Thebabiescouldn'ttellaballfromitsopticalillusion.IV.短文改错

I

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it

in

me

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we

walked.

Then

59.

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ask

him,

“Grandpa,

how

come

you

have

60.

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lines

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your

hand?”

he

laughed

and

61.

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big

question!”

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was

62.

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for

a

moment.

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answered

slowly:

63.

_________________“Each

these

lines

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for

a

trouble

in

my

64.

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I

looked

at

his

other

hand.

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Grandpa,

65.

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do

you

have

more

lines

on

that

one?”

66.

_________________“Because

there

are

more

the

honors

and

joys

67.

_________________in

my

life.”V.书面表达人们对于学生网上交友持不同意见。请你用英语写一篇关于学生网上交友的短文，介绍人们的不同观点，并表达自己的看法。赞成的理由反对的理由你的看法1．广交朋友2．可自由表达思想3．利于外语学习1．浪费时间2．影响学习3．可能上当受骗？注意：1．文章必须包括表中的全部内容。2．词数为100左右。3．参考词汇：

网络朋友on-line

friend(s)，上当受骗to

be

cheated_______________________________________________________________________________参考答案：单项选择:1-5CACCB6-10CDCBB11-15CBBBC16-20ADBBD21-25BABCD完形填空:26-30AADCC31-35DBACD36-40AABAD41-45ACADA阅读理解:46-49CCAB50-53ADCD54-57CABD改错:58.

that

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ask

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61.

much

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66.

what

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why

67.

the

去掉作文One

possible

version:Should

students

make

friends

on

line

?Some

people

say

yes

.The

internet

helps

make

many

friends

.Chatting

on

line

,students

can

more

freely

express

their

feelings

and

opinions

,and

even

get

help

with

their

foreign

language

studies

.Others

,however,

think

students

should

not

.They

say

making

friends

on

line

is

a

waste

of

time

,which

should

be

spent

more

meaningfully

on

study

.Besides

,some

students

get

cheated

on

line.It

is

my

opinion

that

students

should

place

their

study

,health

and

safety

before

other

things

.As

for

friendship

,we

can

readily

find

it

in

our

classmates

and

other

people

around

us.

必修二Unit4《Wildlifeprotection》单元测试3笔试部分：I.单项选择1. —Whatareyougoingtodothisweekend? —______,I'mgoingtovisittheNatureMuseum. A.Ifanything B.Ifever C.Ifpossible D.Ifbusy2.Weallbelievethat______2010ShanghaiWorldExpowillbe______success. A.a;a B.the;/ C.the;a D./;a3.Thebox______alotofcoins,______anoldChineseone. A.iscontaining;including B.contains;includes C.iscontaining;included D.contains;including4.Aftertheactortoldafunnystoryabouthischildhood,allthepeopleburstinto______. A.laugh B.laughter C.laughing D.laughers5.Itwashungerthathisgreat-grandfatherandgrandfather__________. A.diedof B.diedout C.dieddown D.diedaway6.I'msorry,sir.Yourrecorderisn'treadyyet.It_________inthefactory. A.isbeingrepaired B.isrepaired C.hasbeenrepaired D.hasn'trepaired7.ThisimportantlessonbyProfessorWangteachesprimarystudentshowto_________themselvesfromdanger. A.permit B.prevent C.prove D.protect8.Iwouldappreciate______ifyoucouldgivemeareplyassoonaspossible. A.you B.it C.that D.them9.ShedecidedtogotoShenzhento_________abetterjob. A.huntfor B.lookafter C.searchof D.watchover10.LiMingstudiedveryhard.Asaresult,hesucceeded___________theentranceexaminationtocollege. A.passing B.inpassing C.havingpassed D.topass11.Sofar80%ofthenewEnglishdictionaries______________. A.havebeensoldout B.arebeingsoldout C.wassoldout D.hadbeensoldout12.Youmustkeepawayfromtheman,whois______.Ifyouare______,pleasecallthenumber110. A.dangerous;dangerous B.dangerous;indanger C.indanger;dangerous D.indanger;indanger13.Specialattentionshouldbepaid______yourwordswhileyou'rewriting. A.picking B.topicking C.pick D.topick14.Weareoftenwarnedthatsmoking______greatharmtoourhealth. A.does B.leaves C.makes D.gives15. —Didyouhaveagoodjourney? —Yes,butthebuswassofullthatIcouldhardly______. A.turnoff B.turnover C.turnup D.turnaroundII完形填空Abusinessman,withalargeamountofmoney,waswalkingthrougharemote(偏远的)area.Upon16this,athieffollowedhim,planningto17hismoneyatacertaintime.Thebusinessmannoticedsomethingwas18,andhestartedtopaymuchmore19tothethief.Thebusinessmansoonaskedthethiefifhe20helpfindsomewaternearby,andwhenthethiefwentto21thewater,thebusinessmanputallofhis22intothethief'sbag.Thenthethiefreturnedandtoldthebusinessman23thewaterwas.24thebusinessmanlefttogetsomewater,thethiefquickly25thebusinessman'sbag.Certainly,therewasnothingthatthethief26.Thethiefwas27,buthestilldidnotgiveuphope.Aftersometime,thebusinessmanreturnedandtheyboth28foralongtime.Thenthebusinessmangottiredand29underabigtree.Thethiefagaincheckedthebusinessman'sbagandstilldidnotfindanymoney.Sothethief30thatthebusinessmandidnotactuallyhaveanymoneywithhim.Finally,theyarrivedatacity.Whenthethiefwentafterajobandlefthisownbagbehind,thebusinessman31inandtookbackallofhisownmoneyhehadputthere32.Whenthethiefcameback,hewassurprisedtoseethatthebusinessmanwas33somejewelswiththemoneyinhisbag.Thethiefcouldn't34askingthequestion,“Ididn'tknowyouhadmoneyonthe35.”Thebusinessmansmiledtohim,“Ofcourseyoudidn't,becauseitisnotyours.”16.A.talking B.learning C.thinking D.speaking17.A.keep B.borrow C.steal D.put18.A.new B.common C.strange D.dangerous19.A.care B.mercy C.need D.attention20.A.would B.could C.should D.must21.A.carryon B.lookfor C.watchover D.bringalong22.A.goods B.food C.money D.clothes23.A.how B.what C.that D.where24.A.Assoonas B.Asfaras C.Aswellas D.Aslongas25.A.hid B.searched C.explored D.changed26.A.saved B.planned C.owned D.wanted27.A.frightened B.angry C.surprised D.nervous28.A.drank B.walked C.rested D.discussed 29.A.sat B.stood C.slept D.stopped30.A.agreed B.wished C.doubted D.believed31.A.put B.got C.reached D.broke32.A.rightly B.luckily C.really D.formerly33.A.buying B.wearing C.having D.showing34.A.keep B.help C.enjoy D.avoid35.A.trip B.visit C.holiday D.businessIII阅读理解AWhenIwasyoung,IhadanoldneighbornamedDr.Gibbs.Hedidn'tlooklikeanydoctorI'deverknown.Henevershoutedatusforplayinginhisyard.Irememberedhimasaneighborwhowasnicerthananyoneelseintheneighborhood.WhenDr.Gibbswashappy,hewasplantingtrees.Andhislife'sgoalwastomakeitaforest.Dr.Gibbshadsomeinterestingtheoriesaboutplanting.Hetalkedabouttreesthatweren'twateredwouldgrowdeeprootsinsearchofwater.Soheneverwateredhistrees.Heplantedanoak(橡树)and,insteadofwateringiteverymorning,hebeatitwiththerolled-upnewspaper.Iaskedhimwhyhedidthat,andhesaiditwastogetthetree'sattention.Dr.Gibbsdiedacoupleofyears.Everynowandagain,Iwalkbyhishouseandlookatthetreesthatheplantedtwenty-fiveyearsago.They'reverystrongnow.Iplantedacoupleoftreesafewyearslater.Iwateredthemregularlyandtookgoodcareofthem.Wheneveracoldwindblows,theyshaketheirleavesandbranches.ThefunnythingaboutthosetreesofDr.Gibbswasthatdifficultyseemedtohelptheminwayscomfortandeasenevercould.36.WhatwasDr.Gibbs'lifegoal? A.Tobuildaforest. B.Tosavemorelives. C.Tomakealotofmoney. D.Tostudyplants.37.OneofDr.Gibbs'theoriesaboutplantingwasthat______. A.heoftentalkedtothetrees B.hekickedthetreesheavily C.heneverwateredthetrees D.heburiedtheleavesaroundtheroots38.Whatdoesthewritermainlywanttotellus? A.Treesarenotasweakaswethink. B.Weshouldlistentoothers'advice. C.Difficultyisnecessaryforgrowth. D.Plantingtreesisgoodfortheenvironment.BManypeoplekeepthestampsinadrawerathomebecausethey'llneverknowwhentheymightneedthem!Thetroubleisthattheyhavenoideaofhowmanystampstheyhaveleft.Whentheywanttosendsomethingbypost,it'sveryannoyingtofindoutthattheyhaverunoutofstamps!TheInternetispossibletosolvetheproblem.TheUnitedStatesPostalServicehascomeupwithasystemwhichallowspeopletoprinttheirownpostagestampsattheirownhome!Thisistheperfectsolutionforthosepeoplethathavebusylives!Wheneveryougotothepostofficetobuyastamp,youarebuyingaboringandstandardpostagestamp.Theyareredincolor,andyoucaneasilybuythemontheInternetaswell.Forexample,youcanjustorderaregular1stclassstampandthenprintitoffusingyourownprinter(打印机).Thesedays,youcanhavemuchmorefunwithyourstamps.Youcanbuythemonlineinsteadofgoingtothepostoffice.Youcandecorate,preview(预览)andprintyourstampsallatyourownhome.Youareabletouseanyofyourownphotosaspartofyourpostagestampaswell.Thesestampsaren'tjustallowedtobeusedintheUnitedStates;theycanbeusedtosendyourmailthroughouttheworld.Theyareperfecttouseformanyspecialoccasions,suchasweddings,festivalsandevenbirthdays!Theyarefantastic!39.Theproblemofkeepingstampsathomeisthat______. A.thestampsmaylosecolor B.youmaynotfindthemanywhere C.thestampsmaybeoutofdate D.youdonotknowhowmanyareleft40.WiththesystemoftheUnitedStatesPostalService,peoplecan______. A.buyphotostampsataverylowprice B.sendtheirinternationalmailsforfree C.designtheirownphotostamps D.havetheirlettersdeliveredfasterthanbefore41.What'sthewriter'sattitudetowardthenewtypeofstamps? A.Hethinkstheyareagreatidea. B.Heisafraidtheymaycausetrouble. C.Hethinkstheysavealotofmoney. D.Hethinkstheyareasgoodasthetraditionalones.CScientistssaycuttingdowntreesisthreateningoneofMexico'smostfamousinsects.Satellite(卫星)picturesshowlargewoodedareashavebeenclearedfromcentralMexico.Theforestsarethewinterhomeformillionsofmonarchbutterflies(黑脉金斑蝶).Thebutterfliestravelthereeachyeartoreproduce(繁殖).Eachyear,morethantwohundredthousandpeopletraveltoMexicotoseethebutterflies.FromNovembertoMarch,millionsofbutterfliescanbeseeninthetreesandthesky.Mexicanofficialshopethatbyprotectingtheforests,theycanincreasethenumberofvisitors.ThesesatellitepicturesshowtheMonarchButterflyBiosphereReserve.Aboutfourhundredforty-fivehectares(公顷)havebeenclearedillegally(非法地)since2004.Scientistssaythat,iftheclearingcontinues,monarchbutterflieswillnotusethereserveastheirwinterhome.Forthousandsofyears,thebutterflieshavebeenflyingtothesameforests.TheirtripgoesalongCanadaandthenortheasternUnitedStates.Itisaboutfourthousandeighthundredkilometers.Theinsectsflyabouteightykilometersaday.TheyreachcentralMexicoafteraboutsixtydays.Nooneissurewhythebrightly-coloredorangeandblackbutterflieschoosetheseforests.However,somescientistsbelievetheareamightoffertherightwetnessandcoolweathertokeeptheinsectsalivethroughthewinter.42.Ifpeoplecontinuecuttingdowntrees,monarchbutterflies______. A.willstopreproducing B.willnotgothereinwinter C.willdieoutinthenextfewyears D.willbeprotectedbyMexicanlaw43.Fromthetext,wecanlearnthatthe