高二英语课时分层作业UnitSectionⅡ含解析

学必求其心得，业必贵于专精学必求其心得，业必贵于专精学必求其心得，业必贵于专精课时分层作业（十一)SectionⅡ(建议用时：30分钟)［语言知识练习固基础]单句语法填空1．I'llneverunderstandhowitcameaboutthatyouwerelatethreetimesaweek．2．Afteraquickglanceatthepatient，thedoctorarrangedforanambulance．3．Yourstatement(state)istoogeneral．Couldyoubemorespecificaboutwhatyou’regoingtodointhefuture？4．Opposed（oppose）tothenewplan，mostofthemembersleftthemeetingroom．5．Youshouldeatalittlemoreevenif/thoughyoudon'tlikethefood．6．Ifyousubscribetothenewspaper，itwillbedeliveredtoyourdoor．7．Thoughheislessthanoneyearold，heisstrongenoughtowalksteadily(steady）．8．Itendtowake（wake）upearlyinthemorning．9．Oncethebalanceofnatureisdisturbed，itmayresultinanumberofunforeseeneffects．10．Idon'tdoubtthathecanfinishthetaskontime．［高考题型练习提能力]Ⅰ．阅读理解Weusemorethan20milliontonsofsodiumchloride(氯化钠）onourroadwayseverywinter．That’sabout13timesmoresaltthanisusedbytheentirefoodprocessingindustry．Saltlowersthefreezingtemperatureofwaterandthusmeltssnowandice．Butitspublicsafetybenefitsdocomewithsomeecologicaldrawbacks．Thebiggestconcernwithroadsaltishowitaffectswaterquality．Thematerialdoesn’tjustdisappearwhenthesnowandicemelts：Itiswashedawayintolakesandstreamsorgetsintogroundwatersupplies．Researchersrecentlyfoundthat，intheurbanTwinCitiesarea，70percentofthesaltappliedtoroadsstayswithintheregion'swatershed（水源区)．Onceitgetsthere，thepollutionisdifficultandexpensivetoremove．Saltygroundwatercanmakeforsaltydrinkingwells．That’sahealthissueforpeopleonrestricted。sodiumdietsandatasteproblemforeveryoneelse．Whensaltgetsintolakesandstreams,itcanalsoharmplantsandanimalsthere．Roadsaltcanaffecttheenvironmentinotherways，too．Itcanerode(腐蚀)soilandplantsasfaras650feetaway．Roadsidescanalsoturnintoasortofartificialsaltlick（盐碱地)thatwouldbeattractivetoanimals．Asaresult，theyrunahigherriskofbecomingroadkill．Birdsarecommonvictims，aswell．Soifsaltissoproblematic，whyarewestillusingit?Becauseit’scheap．Alternativechemicalscanbemuchmoreexpensive，andtheyoftenrequirenewspreadingequipment．Asresearcherscontinuetolookforsubstitutes，thereareplentyofwaysthatroadcrewscancutbackontheirsaltusage．Pre­wettingthesalt,forexample，allowsformorecontrolledapplicationandbetterstickingpower．Weathermonitoringiskey，too:Applyingsaltjustbeforeastormhits，sothatthesnowcan’tadhere(附着）totheground，isusuallymoreefficientthanwaitinguntilafterthesnowhasfallen．【语篇解读】本文是议论文.主要论述了道路用盐对环境的负面影响及减少道路用盐的方法。1．Howdoesroadsaltmeltsnowandice?A．Bychangingtheweather．B．Byraisingtheirtemperatures．C．Byraisingthetemperatureofroads．D．Bychangingthefreezingpointofwater．D[细节理解题。根据第一段中的“Saltlowersthefreezingtemperatureofwaterandthusmeltssnowandice．”可知,道路用盐通过降低水的冰点使冰雪融化.]2．Theauthorismostworriedabouttheinfluenceofroadsalton．A．trafficsafety B．waterqualityC．soilconditions D．plantsandanimalsB［细节理解题。根据第二段开头的“Thebiggestconcernwithroadsaltishowitaffectswaterquality．”可得出答案。］3．It'smentionedinthetextthatbirds．A．oftendiebecauseoferodedsoilB．oftendiebecauseofpollutedwaterC．areoftenkilledbyvehiclesonroadsD．areoftenkilledbyotheranimalsinthefieldsC［推理判断题。根据第四段中的“Roadsidescanalsoturnintoasortofartificial．．．Birdsarecommonvictims，aswell．"可推断出,鸟类常在舔食道路用盐时被路上的交通工具碾压致死。］4．Whatisthemainideaofthelastparagraph？A．Howtouseroadsaltmoreefficiently．B．Researchersarelookingforsubstitutes．C．Roadcrewsaremonitoringtheweather．D．Theadvantagesofalternativechemicals．A[段落大意题。根据最后一段中的“thereareplentyofwaysthatroadcrewscancutbackontheirsaltusage”及下文列举的方法可知，本段主要讲如何用较少的道路用盐达到融化冰雪的效果，也就是如何更有效地使用道路用盐。］Ⅱ．完形填空Globalwarmingischangingthemigrationpatternsofmanybirds，alteringflightpathsthathaveremainedunchangedforgenerationsandthatwerefirmlyanchored（固定)intheirgenes，scientists1．“WarminginEuropehaschanged2themigrationdirectionofthewarbler(莺),”saidbehaviour3EberhardCurioofBochumUniversityinwesternGermany’sRuhrregion．ThesmallbirdsnativetocentralandeasternEurope4tomigratesouthwesttospendwinterinsouthernFrance,Spain5northernAfrica．ButnowCuriosaysmanyofthemflywestwardtospendthe6monthsinsouthernEngland．“7changesinmigrationpatternsaretheresultof8selection．Thebirdsthatflyina(n)9directionwilldie,”thebiologistsaid，“whilethebirdsthatflytomorefavorabledestinationspassonthisbehaviourpatterntotheir10．”Researchers11believethatbirdsuseakindofsecondsensetoorienttheirmigrationpatterns，eithera12orientation（定向;定位)basedonthepositionofthesun，orwiththe13ofasortofinnercompass．“Sinceanimalspossessapreciseinnerclock，theycandeterminetheirpositionbythesunandthestars，”saidCurio．Navigationbyinnercompass14theEarth'smagnetic(有磁性的）field．15，theroutestakenbydifferentspeciesofbirdsareverymuchinfluencedbytheirflightcapabilities．【语篇解读】全球变暖正在改变许多鸟类的迁徙模式，并改变其世世代代都保持不变的飞行路径。1．A．say B．interpretC．recall D．solveA［前面提到的事为科学家所“说；讲”，故选A项.interpret解释；翻译；recall回想;回忆；solve解决。］2．A．verbally B．likelyC．similarly D．probablyD[verbally言词上；口头地；similarly相似地；likely和probably都有“很可能”的意思,但likely在此搭配有误。］3．A．learner B．researcherC．doctor D．fellowshipB［由第三段克里奥(Curio)所观察到的鸟类迁徙现象然后得出结论可知,他是一个行为研究者.researcher研究者；研究员。]C．remembered D．usedD[由下文“ButnowCuriosays．．．”一句可知，这些鸟类“过去常常”迁徙到西南方.]5．A．but B．suchasC．and D．toC［几个地区、国家名称并列，用and连接。］6．A．hotter B．coolerC．colder D．warmerC[上句winter有暗示.]7．A．Such B．SoC．Suchmany D．ManyaA［承接上文，迁徙方式的这些改变，用“suchchanges”。]8．A．artificial B．naturalC．intentional D．physicalB［根据自然科学常识，鸟类迁徙的变化是自然选择的结果。natural自然的。]9．A．unfavorable B．advantageousC．favorite D．badA[该句与下句形成对比，由morefavorable可知此句填unfavorable.］10．A．forefathers B．parentsC．counterpart