外研版選擇性必修第四冊Unit2小題組合練習(xí)Ⅰ.閱讀理解Since1970，NorthAmericahaslostmorethan2.9billionbirds，accordingtoastudyrecentlypublishedinthejournalScience.Inlessthanhalfacentury，thebirdpopulationhasdeclinedbysome29percent，ormorethan1in4birds.Forthefirsttime，researchershavediscoveredthatrarespeciesaren’ttheonlybirdssufferingpopulationloss.Infact，commonbirds—includingbelovedbackyardfriendslikesparrowsandblackbirds—aretakingthebiggesthit.Thenewstudyusednearly50yearsofdatacollectedlargelybybirdwatchersandcitizenscientists.“Atotalof419nativemigratoryspeciesexperiencedanetlossof2.5billionindividuals，”thestudysays.Morethan90percentofthetotallosscanbefoundamongjust12birdfamilies.Someoftheseeq\x(widespread)birdscanthrivealmostanywhere.Thelarge-scalelossofthesehardybirdsrevealsthey’restrugglingtosurvivethroughouttheworld.Birdsareconsideredindicatorspeciesbecausethey’recrucialtoecosystems，andtheirpopulationseq\x(anticipate)theenvironment’shealth.Birdsare“amazinglyefficient”atspreadingseeds.Birdsalsokeepinsectpopulationsincheck.Eventhesmallestbirdhelpscontrolthespreadofplantsorinsects.Thenewstudy，however，identifiesthelosseswithoutknowingallthecauses.Scientistsdoidentifyhabitatlossasthebiggestchallenge.Climatechange，disruptedmigrationpatternsandpesticideusearealsomajorfactors.Industrialagriculturemaypresentabiggerchallenge.Thespeciesdisappearingmostrapidly—sparrows，blackbirdsandlarks—areassociatedwithagriculture.Inrecentdecades，agriculturehasgrowntoproducemorefood，butclearedlandscapeshavebecomeunlivableforbirds.“Weneedtochangethewaywegrowfood.Birdsaresignalingthatwearedoingitwrong，”asthestudysays.Thestudyofferstheexampleofthe1990sefforttoswitchtono-tillfarming，whichreducedgreenhousegasesandsoilerosion(侵蝕)．“Farmersareinnovators.Andthey’vedoneitbefore.Thisisagreatopportunitytohaveahugeimpactonbirds.”1．What’sthestudymainlyabout?A．Theclimateissues.B．Thedisappearingbirds.C．Theagriculturalproblems.D．Theenvironmentalprotection.2．Howisthesecondparagraphmainlydeveloped?A．Bylistingfigures.B．Bygivingexamples.C．Byanalyzingreasons.D．Bymakingcomparisons.3．What’sthemainreasonbehindthebirds’habitatloss?A．Climatechange.B．Greenhousegases.C．Industrialagriculture.D．Disruptedmigrationpatterns.4．Whatdoesthestudysuggestasasolution?A．Producingmorefood.B．Clearingmorelandscapes.C．Reducingtheuseofpesticide.D．Adoptingnewmeansoffarming.答案BACDⅡ.完形填空Inlife，weoftensucceedandfailforreasons.Sometimestheyareentirelyoutofour1.Wecanworkharderthananyoneelseintheofficeandstillnotbe2.Wecanbeincrediblyniceandlovesomeonedeeply，andtheymaynotloveus3.Thetruthisthatlifeisnot4.Thatisatough5toswallowformanyofus.Infact，somepeople6afterbeinghitbyevenoneunfairblowfromlife.Butifweletlife’sunfairness7us，wewillneverreceivethebeautifulblessingsthatlifehas8forus.Myfirst9marriagefeltveryunfairtome.NomatterhowhardIhadtried，Icouldn’tmaketherelationship10.ButIdidn’tletitdiscouragemefromwantingahappymarriage.Andfinally，ImetmyMrRight.11I’velearnedovertheyearsisthatwecandoallthethingsthatdeserveagoodoutcome，butgetquitetheopposite.Whenwefacelife’sseemingunfairness，our12needstojumpin.Whenlifedoesn’tgo13plans，weshouldkeeptrying，anddoingtherightthing.14thatlifeisneitherfairnorstraightforward.Ifweremainconfident，wecandriveourunfairexperiencesawayandusethemforour15.1．A.reach B．controlC．date D．order2．A.promoted B．paidC．pleased D．proved3．A.more B．backC．enough D．unconditionally4．A.easy B．smoothC．fair D．ideal5．A.feeling B．wordC．fact D．pill6．A.dieddown B．lookeddownC．shutdown D．settleddown7．A.confuse B．manageC．betray D．defeat8．A.incharge B．inreturnC．inplace D．instore9．A.arranged B．failedC．happy D．interesting10．A.work B．startC．end D．worsen11．A.When B．WhereC．Who D．What12．A.faith B．a(chǎn)bilityC．judgement D．effort13．A.aheadof B．a(chǎn)ccordingtoC．regardlessof D．dueto14．A.Accept B．AssumeC．Fancy D．Consider15．A.career B．marriageC．fate D．benefit1-15BABCDCDDBADABADⅢ.語法填空Whenforeignersnegotiate，orregisterincertainareasofChina，theymaybe1.(surprise)atChinese’sspecialfondnessandpreferenceforseals.ToChinese，sealsareanartofdeepculturalroots,2.combinestheessenceofbothcalligraphy(書法)andsculptureandinspiresgenerationstostudy，toappreciateandtocollect.Itisbelievedthatsealscameoutasearly3.8,000yearsagoafterourancestorscouldmakepotterywares(陶瓷)andhadprivateproperty.Theywereassumedtomakemarkson4.(they)owneq\x(possessions)topreventthemfrombeingstolen.Whenthefirstdynasty5.(found)，thekingbegantousesealstoempower(授權(quán))andtoshowlordlycredits.Onlytheking’sspecialsealwasthencalled“Xi”，6.(represent)thehighestauthority.ThefirstemperorofChina，QinShiHuang，hadhis“Xi”7.(make)outoftheinvaluableandbeautifuljade“HeshiBi”．Thenthelocalgovernmentsalsoneededsealsfor8.samefunction.Meanwhile，privatesealswerecarvedinavarietyoflucky9.(character)andvividanimalpatterns.10.(gradual)，thesphragistics(印章學(xué))cameintobeing.eq\x(語篇解讀這是一篇說明文。文章主要介紹了中國印章文化的產(chǎn)生以及發(fā)展。)1．答案surprised解析考查固定短語。besurprisedat對……感到驚奇，是固定短語，所以填surprised。2．答案which解析考查定語從句的關(guān)系詞。分析句子結(jié)構(gòu)可知，該句是一個(gè)非限制性定語從句，修飾先行詞anart，關(guān)系詞在從句中作主語，指物，that不能引導(dǎo)非限制性定語從句，所以填which。3．答案as解析考查固定短語。asearlyas早在……的時(shí)候，是固定短語，所以填as。4．答案their解析考查代詞。文中表示“他們自己的財(cái)產(chǎn)”，用形容詞性物主代詞，所以填their。5．答案wasfounded解析考查時(shí)態(tài)和語態(tài)。發(fā)生在過去的事情，用一般過去時(shí)；“第一個(gè)朝代”和“建立”之間是被動關(guān)系，用被動語態(tài)，所以填wasfounded。6．答案representing解析考查非謂語動詞?！碍t”和“代表”之間是主動關(guān)系，用現(xiàn)在分詞，所以填representing。7．答案made解析考查固定結(jié)構(gòu)。句意為：中國的第一位皇帝，秦始皇，他的“璽”是由無價(jià)的美玉“和氏璧”制成。“璽”和“制成”之間是被動關(guān)系，此處為havesth.done結(jié)構(gòu)，所以填made。8．答案the解析考查固定用法。句意為：然后，地方政府也需要印章來履行同樣的職能。thesame同樣的，是固定用法，所以填the。9．答案characters解析考查名詞復(fù)數(shù)。avarietyof后面接可數(shù)名詞的復(fù)數(shù)形式，所以填characters。10．答案Gradually解析考查副詞。位于句首，修飾整個(gè)句子，用副詞，首字母大寫，所以填Gradually。Ⅳ.寫作閱讀下面短文，根據(jù)其內(nèi)容寫一篇60詞左右的內(nèi)容摘要。Wealllookforwardtovacations.Theycangiveourdailylifecolourfulmeanings.Moreover，inthebusyworldwelivein，weallneedavacationtogettherestandrelaxationourbodiesdesire.Themostimportantthinginplanningavacationiswhereyouwillspendyourvacation.Ifyouwanttomakesureyoucanvisitthebestvacationspot，therearemanyfactorsthatwillinfluenceyourchoiceofthebestvacationspot.Thefirstthingtoconsiderwhenchoosingthebestvacationspotiswhatyouwouldliketodo.Doyouwanttoski？Doyouwanttosurf？Areyoulookingforaspotthathasgreatshoppingplacesandabeachaswell？Areyoulookingforsomethingthatisalittlemorehistoricorthathasreligiousmeaningtoyou？Thesearegreatquestionstoask.Andonceyouhavedecidedonthis，youmaywanttodecidewhenyouwilltakeyourvacation.ItwouldbedifficulttohaveaskitripinColoradointhemiddleofJuly.Youwouldwanttogothereinthewinter.OrifyouhaveyourheartsetonskiinginJuly，youwouldneedtogotoSouthAmerica，suchasChile，todoyourskiingatthistimeofyear.Thenextthingtoconsiderwhenfindingthebestvacationspotforyourtripisyourbudget.YoumaywanttogotoItalytoseetheoldhistoricbuildings，suchastheSistineChapel.Butthefactisthatifyoudon’thavethemoneytobackitup，youwon’tbeabletodothis.YoumayfindthebestthingforyouistovisitsomeoldcastlesinAmerica.YoucanfindthesethroughouttheeasternUnitedStates，suchasNorthCarolina.Andyouwillalsofindgreatshoppingplacesandmanyotherattractionsforyourvacation.PerhapsyouaresomeonewhohasalwayswantedtogotoCancunforthespringbreak.Ifyoudonothavethebudgetforthis，Miamiisalsoagreatplace.