全国卷届高考英语一轮复习 Unit 2 Healthy eating课时作业 新人教版必修3Word文件下载.docx
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全国卷届高考英语一轮复习 Unit 2 Healthy eating课时作业 新人教版必修3Word文件下载.docx
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tendthere.Humpbackwhalesthemselvesarepopularlythoughttobelarge
butgenerally,passivecreatures.Pitman'
sstudyfindingsmayletpeoplethinkotherwise.
Whenchasedbyorcas,humpback
whalesareknowntotrytooutswimorcas.Theyarethoughttodothisathighspeedsothattheorcascan'
tkeepup.Onsomeoccasions,thehumpbackwhalessoughtoutprotection.Theyswamtoshallowwater,nearbyreefs,orevenundertheresearchers'
boats.Thesewaysoftenreducedtheattack.Butatothertimes,thehumpbackwhalesdecidedtostayandfight.
Astheorcasapproached,themotherhumpbackwouldsometimesmovehercalftoherside,orliftitoutofthewaterusingherheadorflippers.Shealsoblewhugebreathsofairtodisturbtheorcas,andlungedorchargedatthem,slashing(劈)andslappinghertailandflippers.Perhapsmostsurprisingly,humpbackwhalesalsohaveadult“escorts(护卫队)”thattrytoprotectcalvesthatarenottheirown,joiningthemotherindefendingthesmallerwhale.Theseescortwhaleseitherchargedattheorcas,orplacedthemselvesbetweentheattackersandcalves,slashingtheirtailsandflippers.
Despitetheeffortsofthemotherwhalesandescorts,theorcasweremoreoftenthannotsuccessfulintheirattacks.Butthepresenceoftheescortsdidreducehowmanytimesawhalecalfwaskilled.
[语篇解读] 本文是一篇说明文,主要讲的是科学家使用科学仪器来观察杀
人鲸是如何追杀驼背鲸及后者是如何反击和保护幼小的驼背鲸的。
1.What'
sthepurposeofthescientists'
furtherresearch?
A.Tokeeparecordofwhales'
livinghabits.
B.Toobserveorcas'
huntinghumpbackwhales.
C.Toseewhatlifeordeathbattleswhalesmayface.
D.Tofindoutthetechniquesorcasusewhenhunting.
解析:
细节理解题。
根据文章第一段中的“Toresearchfurther...tousesatellitestomonitorhermovements.Theyfollowedherforsixdays.Duringthattime,theorcaattackedeightyounghumpbackwhales...”可知,科学家进行进一步研究的目的是观察杀人鲸追杀驼背鲸的活动。
故选B。
答案:
B
2.Whydidthehumpbackwhalesswimtoshallowwater?
A.Toavoidbeingattacked.
B.Tohuntforfood.
C
.Toprotecttheiryoung.
D.Totrickthechasers.
根据文章第三段中的“Onsomeoccasions,thehumpbackwhalessoughtoutprotection.Theyswamtoshallowwater,nearbyreefs,orevenundertheresearchers'
boats.”可知,驼背鲸游至浅水区是出于自身的安全考虑,为了避免被攻击。
故选A。
3.WhatismainlytalkedaboutinParagraph4?
A.Whyhumpbackwhalesfallvictimtoorcas.
B.Howhumpbackwhalesprotecttheircalves.
C.Thegreatmotherloveofhumpbackwhales.
D.Smallerhumpbackwhales'
waysofsurviving.
段落大意题。
根据第四段的内容可知,本段主要讲的是在面对杀人鲸的攻击时,驼背鲸是如何进行反击来保护自己的幼崽的。
故B项最能概括本段的主旨要义。
4.WhatdoesPitman'
sstudyfind?
A.Orcasaresuccessfulintheirattacks.
B.It'
snoteasyfororcastoobtainfood.
C.Humpbackwhalesswimfasterthanorcas.
D.Humpbackwhalescouldbeactiveanimals.
推理判断题。
第二段提到“Humpbackwhalesthemselvesarepopularlythoughttobelargebutgenerally,passivecreatures.Pitman'
sstudyfindingsmayletpeoplethinkotherwise.”,驼背鲸一般被认为是大型的但是通常被动的生物,Pitman的研究发现可能会让人不这么认为。
下文接着讲了面对杀人鲸的攻击时,驼背鲸所采取的一些应对方式,其中包含积极迎击。
故选D。
D
Operaisanartformthatcelebratesthehumanvoice.Nootherartformcreatesexcitementandmovestheheartinthewaythatoperadoes,especiallywhenperformedbyagreatsinger.OperaisanimportantpartoftheWesternclassicalmusictradition.Itusesmusic,words,andactionstobringadramaticstorytolife.OperastartedinItalyattheendofthe16thcenturyandlaterbecamepopularthroughoutEurope.Overtheyears,ithasrespondedtovariousmusicals.Inrecentdecades,muchwideraudienceshavebeenintroducedtooperathroughmodernrecordingtechnology.Somesingershavebecomecelebritiesthankstoperformingonradio,onTV,andintheci
nema.
Howev
er,inrecentyears,operahasbeenfacingseriouschallenge
s.Onecurrentchallengetooperaiseconomics.Theshortageofmoneyraisesthebroaderquestionofhowmuchshouldbepaidtosupportoperasingersandotherartists.Societyseemstoacceptthelargesalariespaidtobusinessmanagersandthemultimilliondollarcontractsgi
ventosportsathletes.Butwhataboutoperasingers?
Somehow,peoplehavetheideathatartistscanbecreativeonlyiftheysufferinpoverty,butthisisunrealistic.Ifartists,includingoperasingers,lackthesupporttheyneed,valuabletalentiswasted.
Notonlytheshortageofmoney,butalsothewaymoneyismanagedintheoperaworldhasledtohardships.Principalsingersaregenerallypaidperformancefeesonceth
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