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Unit3-Section I-Lesson1课时基础巩固综合提升【基础巩固】用下面方框中所给短语的正确形式填空shoulder theblame take action wipe out itoccurred todie out cut the riskin shortsolar energyset uplive on
1.Organisations tohelp thoseaffected bythe earthquake.
2.me that I coulduse yourcar tofetch myhomework.
3.To ensurethe podcan use,it wasequipped with these panels.
4.Jogging canof diseasessuch asheart attack.
5.The animalmeat insteadof grass.
6.We needto toprevent similardisaster tohappen again.
7.The medicinecan helpunhappy memories.
8.The driverwas braveenough to.
9.Measures should be takenbefore the endangered animals.
10.,we needanother3million dollarsto coverthe expense.l.were setup
2.It occurredto
3.sol arenergy
4.cuttherisk
5.lives on
6.take action
7.wipeout
8.shoulder theblame
9.dieout
10.In short用适当的介词/副词填空l.Why ishe workingthis project
1.1f notwell protected,the speciesis riskof extinction.
1.2f you dont likethe programme,switch to the oneyou usuallywatch.
4.The numberof animals in this area hasdecreased16%in thepast decade.
5.The populationis increasinga disturbingrate.
6.A shipwas foundsink10miles thecoast.
7.It mighthelp tocut downsugar tokeep fit.
8.Many traditionshave diedwiththeurbanisation.
9.He wasknown thesavior of the city.
10.Up threequarters ofall speciescould dieout.l.on
2.at
3.over
4.by
5.at
6.off
7.on
8.out
9.as
1.1couldnt havepassed thetest（没有你及时的帮助）.
3.What ishappening nowis certainly（值得担忧）.
4.（立刻采取措施）to dealwith waterpollution.
5.We needto stopdestroying theplanet（我们生活的）and startto protectit.
6.You needto reconsiderthe way（你看待世界）to livea happierlife.
7.In thelast500million years,there（有5次）when lifeon Earthhas almostended.
8.Human activityhas negativeeffect onall otherspecies onEarth,（包括动物和植物）.l.is toblame
2.without yourtimely help
3.cause forconcern
1.1mmediate actionshouldbetakenAVe shouldtake immediateaction
5.that welive on
6.you viewthe world
7.have beenfive times
8.including animalsand plants【综合提升】完形填空My previoushome hada standof woodsbehind itand manyanimalsin thebackyard.That firstyear,I]feeding peanutstotheblue jays,then thesquirrels.The squirrelshad no2coming upright to me forthem.As themonths wentby,therabbits sawthatIwas no3and didntescape.When Ithrew carrotslices（薄片）,they evencamefor anibble（啃）.Slowly theycame to4me,and bytheendof theyear theywere eatingoutof myhand.That secondyear,the rabbits5me,and onewould evensit upforslices!While Iwas feedingthem,16that agroundhog whoused torun awaywas nowtakingan7interest in this foodsituation.!carefully extendeda long8,with akeen eyeon thoseteeth,and9,there weretimes Iwould havethe groundhogsitting nextto arabbit,bothmunching（用力咀口爵）on carrots.A fewmonthslater,while10,she wouldeven turnher backtome.11when shewas facingawayj reachedoutand12scratched（搔）her backwith myfinger.She didntmove.By yearthree,the rabbitsand thegroundhog wereback.The groundhog13didnt haveaproblem withme scratchingher backhandI gotan idea.Fd always14,while slicingupcarrots,that theend lookedlike acap.15one dayjust tosee whatshe woulddo,I gently16one ontop of the groundhogshead.Again,not a
17.The nexttime,!had mycamera readytorecord whatyou seehere,one ofseveral dozensuch pictures.18she hada sliceto eat,she19anotthheerotnaestoyn herhead.It wasa fair20—I gota pleasure,and shehad yettreat.
1.A.avoided B.startedC.canceled D.suggested
2.A.business B.funC.problem D.privilege
3.A.help B.cheatC.threat D.exception
4.A.trust B.missC.admire D.appreciate
5.A.feared B.ignoredC.discovered D.remembered
6.A.proved B.decidedC.noticed D.understood
7.A.extreme B.increasingC.additional D.inspiring
8.A.squirrel B.rabbitC.peanut D.carrot
9.A.before longBJong agoD.allC.over andover overagain
10.A.eating B.playingC.sitting ll.A.Next D.sleepingC.Soon B.OnceD.Latelynever
12.A.carefully B.suddenlyC.violently D.patiently
13.A.also C.just B.thus
14.A.thought C.D.stilladmitted B.doubted
15.A.While D.recognisedC.So
16.A.fixed B.OrC.hung D.For
17.A.tremble B.placedC.delay D.kept
18.A.Even ifB.moveC.As faras D.hesitation
19.A.welcomed B.Ever sinceC.bothered D.So longas
20.A.trade B.requiredC.task D.expected1-5BCCAD B.competition6-10CBDAA D.affair11-15BADAC16-20BBDCA七选五Cleaning upthe existingdamage toour environmentand preventingfurther destructionisa hugejob.It canseem thatthere isno wayone person,especially ayoung personlikeyou,can makea differencee1,starting withchanging somesimple everydayhabits andworkingwith othersto spreadthe importanceof protectingthe environment.Here area fewsuggestions.•Avoid unnecessarydriving orbeing driven.Every teenagerlooks forwardto adriverslicense anda firstcar,but automobilesare oneoftheprimary causesof airpollution.If itstoofar topedal abike,takeabus orshare yourcar ridewith someoneelse.2,but itundoubtedlybenefits the environment more.•Unplug electricalequipment whenpossible.Even whenturned off,some appliancesmaystill usepower.
3.So itis bestto unpluganything thatyoudonot expectto usein the（）next36hours ormore.•Carry abag anda reusablewater bottle,
4.On thecontrary,plastic bagsand disposablebottlesmay bringconvenience toyou,but theenvironmental damagecaused bythem isalmostpermanent.Every plasticbottle notmade andplastic bagnot usedhelps alittle bit.•Raise awareness.Talk tofamily andfriends aboutsimple changesthey can make,andwhy theyshould doso tohelp protecttheenvironment.
5.Its acceptableto justshow themthatyou havethought a lot about the subject,are passionateabout makinga difference,andreally coulduse theirsupport.A.But youcanmakeyour contributionB.It mightnot seemas coolas drivingyourselfC.This savesyour moneywith fewertrips tothe gasstationD.They donttake upmuch spacebut canprevent alot ofwasteE.You donthave togive lecturesor forcethem toaccept youropinions F.They maybe thesecretsources ofthe largenumber onyour electricbill G.This canhelp starta dialogueinyour communityabout aparticular environmentalissue1〜5ABFDE阅读理解Striking footage（镜头）recorded forNationalGeographic showsa dyingpolar bearstrugglingto findfood ona landwithout iceor snow.The poorcreature can be seendraggingits bonyframe（骨架）across therough landand searchingfor foodin abin.Paul Nicken,the photographerwho shotthe heart-breaking footage,says thesightreduced himto tears/We stoodthere crying-filming withtears rollingdown ourcheeks/5hesaid.They foundthe dyingcreature onCanadas BaffinIsland-an areathat hasseen anextremereduction insea icebecause ofglobal warming.Nicken saysthat hadhe steppedin,it wouldonly havedeepened thesituation.Instead he9filmed thebears slow,painful deathand postedit tosocial mediato serveas visualproof oftheimpact of climate change.When scientistssay bearsare goingextinct,!want peopletorealise whatit lookslike.Bears aregoing tostarve todeath Jsaid Nicken/This iswhat astarvingbear lookslike.”Polar bearsare onlynative tothe Arcticregion andare oneofthemany casualties伤亡of climate change.They relyon theArctic iceto huntseals andare becomingincreasinglythreatened asthe icemelts away.The WorldWildlife FundWWFpredicted backin2002that polar bears mayfaceextinction forlosing habitat.There arean estimated25,000bears leftin thewild andmostexperts agreethat unlessclimatechangeis controlled,they willall bedead withinthe next100years.The simpletruth isthis-if theEarth continuesto warm,we willlose bearsand theentirepolar ecosystem.This largemale bearwas notold,and hecertainly diedwithin hoursordays inthat situation」Nicken wroteon Instagram.But thereare solutions.We mustbeginputting theEarth-our home-first.
1.What canpeople seeinthestriking footageA.A starvingpolarbear.B.Some dyingcreature.C.A cryingphotographer.D.The reductionof seawater.
2.Why didPaul Nickenpost thefootage onsocial mediaA.To raisepeoples awarenessofclimatechange.B.To geta prizein photographycompetition.C.To attractreaders5interest inbears.D.To raisemoney forbear protection.
3.What dowe knowaboutthepolar bearsfrom thepassageA.The polar bears thatare leftcanbefound inCanada.B.They werehunting sealswhen takenphotos of.C.The WWFhas donealotto protectthem.D.Melting iceisahuge threatto theirlife.
4.What canwe learnfrom thelast paragraphA.The unknowndiseases increasedpolarbearsdeaths.B.The wholebear ecosystemwill suffera heavyloss.C.The destructionof forestaffected theecosystem.D.The polarbear willbe extinctinthiscentury.1-4AADB。
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