高考英语二轮阅读理解限时训练精品题16Word下载.docx

高考英语二轮阅读理解限时训练精品题16Word下载.docx

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阅读下列短文,从每题所给的四个选项（A、B、C和D）中,选出最佳选项,并标在答题卷的相应位置。

用答题卡的考生,先把选出的最佳选项标在试卷的相应位置,再转涂到答题卡上。

Dogsandcatsarenotforstudentswholiveinthedormitory.Justthinkaboutthenoise,thesmellandallthatwildbehavior,chewingonwhatevertheycangettheirteethon,orknockingoverthetrashcan.Butdon’tfeelsad.Theresmallerandlessdestructivepetstomakeyourdormitorylifecolorful.

Bettafish

Theymakegreatpetswiththeirbigpersonalityandastonishingcolors,rangingfrombrightred,darkbluetolemonyellow.Unlikemanyfish,mostbettasreacttotheirowner’spresenceandbecomemoreactivewhentheyarenearby,whichisunusualinthefishworld.

Chinchillas

Withoutbadsmell,aboutthesizeofarabbitandwithfursodensethattheycan'

tgetpestssuchasfleas（跳蚤）,thefriendlycreatureoriginallyfromtheAndesMountainsinSouthAmericamakesanidealindoorpet.Chinchillasareverysocialanimals,evenifyouareonlyalone,youwillbecomeitsfamily.Incoldwinterdays,onlyaglanceatthisfurypetinadormwillbringyoualotofwarmth.

Landhermitcrabs

Inasocietywhereownersareoftenasked“Aretheytasty?

”,landhermitcrabsareamongthemostunluckyanimalscommonlykeptpets.Buttheyareeasytocarefor,inexpensiveandfascinatingtowatch.Andthefactthattheydon'

tcauseanyallergicreactionsmakesthemperfectforcollegedormitories.

Red-earedsliders

Ifyou'

reinterestedinalifelongfriend,ared-earedslidermakesawonderfulpet.Ifwellcaredfor,theycanliveforaround40years.Butthereareacoupleofthingsyoushouldknow.Red-earedcangrowtoanadultsizeofupto30cm!

Soyoumayneedalargertankquickly.Inaddition,youwillneedtoprovideUVlighting,waterheater,andaswimmingareaandabasking（晒太阳）area.Housingaredearedsliderisnoteasy.

60.Allthedormitorypetsmentionedinthetextare______.

A.activeandallergicB.quietandpeaceful

C.colorfulandtastyD.smallandsmelly

61.Whichofthefollowingisnottrueaboutthesecreatures?

A.Bettasareactiveandrichincolors.

B.Chinchillasareoriginallymountainanimals.

C.Landhermitcrabsareallergicbuttasty.

D.Red-earedslidersneedmorecarefromtheowner.

62.Ifyouwanttokeepthepetaslongaspossible,you'

dbetterchoose______.

A.BettafishB.ChinchillasC.LandhermitcrabsD.Red-earedsliders

63.Thepassageismainlyto______

A.introducethebestwaytokeeppetsB.offerusefulpicturesforchoosingpets

C.informstudentsoflifestyleofpetsD.recommendsomedormitorypets

【参考答案】60—63BCDD

PassageThirteen（CrypticColoring） 

Crypticcoloringisbyfarthecommonestuseofcolorinthestruggleforexistence.Itisemployedforthepurposeofattack（aggressiveresemblanceoranticrypticcoloring）aswellasofdefense（protectiveresemblanceorprocrypticcoloring）.Thefactthatthesamemethodconcealment,maybeusedbothforattackanddefensehasbeenwellexplainedbyT.Beltwhosuggestsasanillustrationtherapidityofmovementwhichisalsomadeuseofbybothpursuerandpursued,whichissimilarlyraisedtoamaximuminbothbythegradualdyingoutoftheslowestthroughaseriesofgenerations.Crypticcoloringiscommonlyassociatedwithotheraidsinthestruggleforlife.Thuswell-concealedmammalsandbirds,whendiscovered,willgenerallyendeavortoescapebyspeedandwilloftenattempttodefendthemselvesactively.Ontheotherhand,smallanimalswhichhavenomeansofactivedefense,suchaslarge,numbersofinsects,frequentlydependuponconcealmentalone.Protectiveresemblanceisfarcommoneramonganimalsthanaggressiveresemblance,incorrespondencewiththefactthatpredaceousformsareasarulemuchlargerandmuchlessnumerousthantheirprey.InthecaseofinsectivorousVertebrataandtheirpreysuchdifferencesexistinanexaggeratedform.Crypticcoloring,whetherusedfordefenseofattack,maybeeithergeneralorspecial.Ingeneralresemblancetheanimal,inconsequenceofitscoloring,producesthesameeffectasitsenvironment,buttheconditionsdonotrequireanyspecialadaptationofshapeandoutline.Generalresemblanceisespeciallycommonamongtheanimalinhabitingsomeuniformlycoloredexpanseoftheearth’ssurface,suchasanoceanoradesert.Intheformer,animalsofallshapesarefrequentlyprotectedbytheirtransparentbluecolor,onthelatter,equallydiverseformsaredefendedbytheirsandyappearance.Theeffectofauniformappearancemaybeproducedbyacombinationoftintsinstartlingcontrast.Thustheblackandwhitestripesofthezebrablendtogetheratalittledistance,and“theirproportionissuchasexactlytomatchthepaletintwhicharidgroundpossesseswhenseenbymoonlight.”Specialresemblanceisfarcommonerthangeneralandistheformwhich