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取等物质的量的下列物质，分别在足量的氧气中充分燃烧，消耗氧气最少的是( )。
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在常温常压下只含CHO的某些有机物在足量的氧气中充分燃烧恢复到室温后其燃烧所消耗氧气的物质的量与燃烧
在常温常压下只含CHO的某些有机物在足量的氧气中充分燃烧恢复到室温后其燃烧所消耗氧气的物质的量
下列各组物质中两种物质各取等物质的量且分别在足量氧气中完全燃烧两者耗氧量不相同的是
乙烯和乙醇
乙炔和苯
乙烷和甲酸乙酯
乙醇和乙酸
等物质的量的下列有机物在氧气中充分燃烧消耗氧气最多的是
乙醛
乙二醇(HOCH
2
CH
2
OH)
乙醇
甲酸甲酯(HCOOCH
3
)
使相同质量的下列四种物质分别在过量氧气中完全燃烧其消耗氧气的量按由多到少的顺序排列正确的是①淀粉②环
②＞③＞①＞④
②＞①＞③＞④
①=④＞②＞③
②＞③＞①=④
下列各组物质分别取等物质的量在足量氧气中完全燃烧耗氧量不同的是
丙烷和乙酸乙酯
乙炔和乙醛
乙醇和乙酸
乙烯和乙醇
1mol下列物质1甲烷2乙烯3苯4乙醇在足量氧气中充分燃烧消耗氧气物质的量大小顺序正确的是
(1)<(2)<(3)<(4)
(1)<(2)=(4)<(3)
(1)<(2)<(4)<(3)
(1)<(4)<(2)<(3)
小林和小明同学在学习合作中讨论相同质量的下列物质分别在氧气中完全燃烧哪种物质消耗氧气最多请你也参与
C
H
2
Fe
P
等质量的下列物质在氧气中充分燃烧消耗氧气的物质的量最多的是
镁
铁
硫
碳
等质量的氢气碳镁铁分别在足量的氧气中充分燃烧消耗氧气的质量最多的是
铁
碳
镁
氧气
等质量的碳镁铁分别在足量的氧气中燃烧消耗氧气的质量比是
1:4:7
6:3:4
7:4:1
28:7:4
取等物质的量的下列物质分别在足量的氧气中充分燃烧消耗氧气最少的是
甲醇
乙醛
乙烯
甲酸
等物质的量下列有机物在氧气中充分燃烧消耗氧气最多的是
乙醛
乙醇
乙酸
甲酸甲酯
A.B.C.D.都是只含有碳氢氧的有机化合物在常温下A.为气态B.C.为液态D.是白色晶体A.B.均
等质量的碳镁铁分别在足量的氧气中充分燃烧消耗氧气物质的量之比为
1：4：14
3：6：14
7：4：1
28：7：4
下列说法正确的是
石油裂解的目的是为了得到乙烯、丙烯等短链气态不饱和烃
甲烷在光照条件下能与溴水发生取代反应
煤的气化，石油的分馏都属于物理变化
相同物质的量的乙炔与苯分别在足量的氧气中完全燃烧，消耗氧气的物质的量相同
实验室取相同物质的量的下列各物质在氧气中充分燃烧消耗氧气最少的是
Fe
H
2
P
S
小林和小明同学在学习合作中讨论相同质量的下列物质分别在氧气中完全燃烧哪种物质消耗氧气最多请你也参与他
C
H
2
Fe
P.
下列关于烯烃炔烃的叙述中正确的是
结构简式为
的物质的名称为2-乙基丁烯
CH
3
—CH=CH—C≡C—CF
3
分子结构中6个碳原子可能都在一条直线上
相同物质的量的乙炔与苯分别在足量的氧气中完全燃烧，消耗氧气的量相同
β—月桂烯的结构如图
所示，该物质与等物质的量溴发生加成反应的产物（不考虑立体异构）理论上最多有4种
等物质的量的下列物质分别完全燃烧时消耗氧气最少的是
苯
甲烷
乙烯
乙醇
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有三只烧杯分别盛有氯化铜氯化钾和硝酸银三种溶液均以Pt作电极将它们串联在一起电解一定时间测得电极增重总和2.8g这时产生的有色气体与无色气体的物质的量之比为
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Theevidenceforharmonymaynotbeobviousinsomefamilies.Butitseemsthatfouroutoffiveyoungpeoplenowgetonwiththeirparentswhichistheoppositeofthepopularly-heldimage形象ofunhappyteenagerslockedintheirroomafterendlessfamilyquarrels.Animportantnewstudyintoteenageattitudessurprisinglyshowsthattheirfamilylifeismoreharmoniousthanithaseverbeeninthepast.Weweresurprisedbyjusthowpositivetoday’syoungpeopleseemtobeabouttheirfamiliessaidonememberoftheresearchteamThey’reexpectedtoberebellious叛逆的andselfishbutactuallytheyhaveotherthingsontheirminds:theywantacarandmaterialgoodsandtheyworryaboutwhetherschoolisservingthemwell.There’smorenegotiation商议anddiscussionbetweenparentsandchildrenandchildrenexpecttotakepartinthefamilydecision-makingprocess.Theydon’twanttorocktheboat.Soitseemsthatthisgenerationofparentsismuchmorelikelythanparentsof30yearsagototreattheirchildrenasfriends.Myparentsarehappytodiscussthingswithmeandwillingtolistentomesays17-year-oldDanielLazallIalwaystellthemwhenI’mgoingoutclubbing.AslongastheyknowwhatI’mdoingthey’refinewithit.SusanCromewhoisnow21agrees.Lookingbackonthelast10yearstherewasalotofwhatyoucouldcallnegotiation.ForexampleaslongasI’ddoneallmyhomeworkIcouldgooutonaSaturdaynight.ButIthinkmygrandparentswerealotstricterwithmyparentsthanthat.Maybethispositiveviewoffamilylifeshouldnotbeunexpected.Itispossiblethattheideaofteenagerebellionisnotrootedinrealfacts.AresearchercommentsOursurprisethatteenagerssaytheygetalongwellwiththeirparentscomesbecauseofabriefperiodinoursocialhistorywhenteenagerswereregardedasdifferentbeings.Butthatideaofrebellingandbreakingawayfromtheirparentsreallyonlyhappenedduringthatonetimeinthe1960swheneveryonerebelled.Thenormalsituationthroughouthistoryhasbeenasmoothchangefromhelpingoutwiththefamilybusinesstotakingitover./Whatisthepopularimageofteenagerstoday
When______helponeoftensaysThankyouorIt'skindofyou.
Fromchildhoodtooldagewealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst16theywerelikenewbornchildrenunabletousethis17tool.Yetoncelanguagedevelopedthepossibilitiesforhumankind’sfuture18andculturalgrowthincreased.Manylinguistsbelievethatevolutionis19forourabilitytoproduceanduselanguage.They20thatourhighlyevolvedbrainprovidesus21aninnatelanguageabilitynotfoundinlower22.Proponentsofthisinnatenesstheorysaythatour23forlanguageisinbornbutthatlanguageitselfdevelopsgradually24afunctionofthegrowthofthebrainduringchildhood.Thereforetherearecritical25timesforlanguagedevelopment.Current26oftheinnatenesstheoryaremixed;howeverevidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.27moreandmoreschoolsarediscoveringthatforeignlanguagesarebesttaughtin28grades.Youngchildrenoftencanlearnseverallanguagesbybeing29tothemwhileadultshaveamuchhardertimelearninganotherlanguageoncethe30oftheirfirstlanguagehavebecomefirmlyfixed.31someaspectsoflanguageareundeniablyinnatelanguagedoesnotdevelopautomaticallyinavacuum.Childrenwhohavebeen32fromotherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat33withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage34thananyinnatecapacities.Thesetheoristsviewlanguageasimitativelearnedbehavior.35childrenlearnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild’slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.Ⅱ．完形填空/Cloze阅读下列短文掌握其大意然后从每小题所给的四个选项ABCD中选出最佳选项
Theevidenceforharmonymaynotbeobviousinsomefamilies.Butitseemsthatfouroutoffiveyoungpeoplenowgetonwiththeirparentswhichistheoppositeofthepopularly-heldimage形象ofunhappyteenagerslockedintheirroomafterendlessfamilyquarrels.Animportantnewstudyintoteenageattitudessurprisinglyshowsthattheirfamilylifeismoreharmoniousthanithaseverbeeninthepast.Weweresurprisedbyjusthowpositivetoday’syoungpeopleseemtobeabouttheirfamiliessaidonememberoftheresearchteamThey’reexpectedtoberebellious叛逆的andselfishbutactuallytheyhaveotherthingsontheirminds:theywantacarandmaterialgoodsandtheyworryaboutwhetherschoolisservingthemwell.There’smorenegotiation商议anddiscussionbetweenparentsandchildrenandchildrenexpecttotakepartinthefamilydecision-makingprocess.Theydon’twanttorocktheboat.Soitseemsthatthisgenerationofparentsismuchmorelikelythanparentsof30yearsagototreattheirchildrenasfriends.Myparentsarehappytodiscussthingswithmeandwillingtolistentomesays17-year-oldDanielLazallIalwaystellthemwhenI’mgoingoutclubbing.AslongastheyknowwhatI’mdoingthey’refinewithit.SusanCromewhoisnow21agrees.Lookingbackonthelast10yearstherewasalotofwhatyoucouldcallnegotiation.ForexampleaslongasI’ddoneallmyhomeworkIcouldgooutonaSaturdaynight.ButIthinkmygrandparentswerealotstricterwithmyparentsthanthat.Maybethispositiveviewoffamilylifeshouldnotbeunexpected.Itispossiblethattheideaofteenagerebellionisnotrootedinrealfacts.AresearchercommentsOursurprisethatteenagerssaytheygetalongwellwiththeirparentscomesbecauseofabriefperiodinoursocialhistorywhenteenagerswereregardedasdifferentbeings.Butthatideaofrebellingandbreakingawayfromtheirparentsreallyonlyhappenedduringthatonetimeinthe1960swheneveryonerebelled.Thenormalsituationthroughouthistoryhasbeenasmoothchangefromhelpingoutwiththefamilybusinesstotakingitover./Whatisthepassagemainlyabout
Howshouldoneinvestasumofmoneyinthesedaysofinflation通货膨胀Leftinabankitwillhardlykeepitsvaluehoweverhightheinterestrateis.OnlyabravemanoraveryrichonedarestobuyandsellontheStockMarket.Todayitseemsthatoneofthebestwaystoprotectyoursavingsandevenincreaseyourwealthistobuybeautifulobjectsfromthepast.HereIamgoingtooffersomeadviceoncollectingantiqueclockswhichIpersonallyconsiderareamongthemostinterestingofantiques.Isometimeswonderwhatabeingfromanotherplanetmightreportbackaboutourwayoflife.TheplanetEarthisruledbyamysteriouscreaturethatsitsorstandsinaroomandmakesastrangetickingsound.Ithasafacewithtwelveblackmarksandtwohands.Mencandonothingwithoutitspermissionanditfastensitsyoungroundpeople’swristssothateverywheremengotheyarestillunderitscontrol.ThiscreatureistherealmasterofEarthandmenareitsslaves.Whetherornotweareslavesoftimetodaydependsonourcultureandpersonalitybutitisbelievedthatmanyyearsagokingskeptspecialslavestotellthetime.Certainmenwereverycleveratmeasuringthetimeofdayaccordingtothebeatingoftheirownhearts.Theyweremadetostandinafixedplaceandeveryhourorsowouldshoutthetime.Soitseemsthatthefirstclockswerehumanbeings.Howevermenquicklyfoundmoreconvenientandreliablewaysoftellingthetime.Theylearnedtousetheshadowscastbythesun.Theymarkedthehoursoncandlesusedsandinhourglassesandinventedwater-clocks.Indeedanyseriousstudentofantiquesshouldspendasmuchtimeaspossiblevisitingpalacesstatelyhomesandmuseumstoseesomeofthefinestexamplesofclocksfromthepast.Antiqueclockscouldbeveryexpensivebutoneofthejoysofcollectingclocksisthatitisstillpossibletofindquitecheaponesforyourownhome.AfterallifyouaregoingtoberuledbythetimewhynotinvestinairantiqueclockandperhapsmakeafutureprofitThepurposeofthepassageis______.
Howshouldoneinvestasumofmoneyinthesedaysofinflation通货膨胀Leftinabankitwillhardlykeepitsvaluehoweverhightheinterestrateis.OnlyabravemanoraveryrichonedarestobuyandsellontheStockMarket.Todayitseemsthatoneofthebestwaystoprotectyoursavingsandevenincreaseyourwealthistobuybeautifulobjectsfromthepast.HereIamgoingtooffersomeadviceoncollectingantiqueclockswhichIpersonallyconsiderareamongthemostinterestingofantiques.Isometimeswonderwhatabeingfromanotherplanetmightreportbackaboutourwayoflife.TheplanetEarthisruledbyamysteriouscreaturethatsitsorstandsinaroomandmakesastrangetickingsound.Ithasafacewithtwelveblackmarksandtwohands.Mencandonothingwithoutitspermissionanditfastensitsyoungroundpeople’swristssothateverywheremengotheyarestillunderitscontrol.ThiscreatureistherealmasterofEarthandmenareitsslaves.Whetherornotweareslavesoftimetodaydependsonourcultureandpersonalitybutitisbelievedthatmanyyearsagokingskeptspecialslavestotellthetime.Certainmenwereverycleveratmeasuringthetimeofdayaccordingtothebeatingoftheirownhearts.Theyweremadetostandinafixedplaceandeveryhourorsowouldshoutthetime.Soitseemsthatthefirstclockswerehumanbeings.Howevermenquicklyfoundmoreconvenientandreliablewaysoftellingthetime.Theylearnedtousetheshadowscastbythesun.Theymarkedthehoursoncandlesusedsandinhourglassesandinventedwater-clocks.Indeedanyseriousstudentofantiquesshouldspendasmuchtimeaspossiblevisitingpalacesstatelyhomesandmuseumstoseesomeofthefinestexamplesofclocksfromthepast.Antiqueclockscouldbeveryexpensivebutoneofthejoysofcollectingclocksisthatitisstillpossibletofindquitecheaponesforyourownhome.AfterallifyouaregoingtoberuledbythetimewhynotinvestinairantiqueclockandperhapsmakeafutureprofitAccordingtothepassagecollectingantiqueclocks______.
Fromthehealthpointofviewwearelivinginamarvelousage.Weareimmunizedfrombirthagainstmanyofthemostdangerousdiseases.Alargenumberofoncefatalillnessescannowbecuredbymoderndrugsandsurgery.Itisalmostcertainthatonedayremedieswillbefoundforthemoststubbornremainingdiseases.Theexpectationoflifehasincreasedenormously.Butthoughthepossibilityoflivingalongandhappylifeisgreaterthaneverbeforeeverydaywewitnesstheincredibleslaughterofmenwomenandchildrenontheroads.Manversusthemotorcar!Itisanever-endingbattlewhichmanislosing.Thousandsofpeopleovertheworldarekilledorhorriblykilledeachyearandwearequietlysittingbackandlettingithappen.Ithasbeenrightlysaidthatwhenamanissittingbehindasteeringwheelhiscarbecomestheextensionofhispersonality.Thereisnodoubtthatthemotorcaroftenbringsoutaman’sveryworstqualities.Peoplewhoarenormallyquietandpleasantmaybecomeunrecognizablewhentheyarebehindasteering-wheel.Theysweartheyareill-manneredandaggressivewillfulastwo-year-oldsandutterlyselfish.Alltheirhiddenfrustrationsdisappointmentsandjealousiesseemtobebroughttothesurfacebytheactofdriving.Thesurprisingthingisthatsocietysmilessobenignlyonthemotoristandseemstocondonehisbehaviour.Everythingisdoneforhisconvenience.Citiesareallowedtobecomealmostuninhabitablebecauseofheavytraffic;townsaremadeuglybyhugecarparks;thecountrysideisdesecratedbyroadnetworks;andthemassannualslaughterbecomesnothingmorethanastatistictobeconvenientlyforgotten.Itishightimeaworldcodewerecreatedtoreducethissenselesswasteofhumanlife.Withregardtodrivingthelawsofsomecountriesarenotoriouslylaxandeventhestrictestarenotstrict:enough.Acodewhichwasuniversallyacceptedcouldonlyhaveadramaticallybeneficialeffectontheaccidentrate.Hereareafewexamplesofsomeofthethingsthatmightbedone.Thedrivingtestshouldbestandardizedandmadefarmoredifficultthanitis;allthedriversshouldbemadetotakeatesteverythreeyearsorso;theageatwhichyoungpeopleareallowedtodriveanyvehicleshouldheraisedtoatleast21;allvehiclesshouldbeputthroughstringentannualtestsforsafety.Eventhesmallestamountofalcoholinthebloodcanimpairaperson’sdrivingability.Presentdrinkinganddrivinglawswheretheyexistshouldhemadmuchstricter.Maximumandminimumspeedlimitsshouldbeimposedonallroads.GovernmentsshouldlaydownsafetyspecificationsformanufacturersashasbeendoneintheUSA.Alladvertisingstressingpowerandperformanceshouldbebanned.Thesemeasuresmaysoundinordinatelyharsh.Butsurelynothingshouldbeconsideredassevereifitresultsinreducingtheannualtollofhumanlife.Afteralltheworldisforhumanbeingsnotmotorcars.WhichofthefollowingisNOTmentionedasawayagainsttrafficaccidents
Fromchildhoodtooldagewealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst16theywerelikenewbornchildrenunabletousethis17tool.Yetoncelanguagedevelopedthepossibilitiesforhumankind’sfuture18andculturalgrowthincreased.Manylinguistsbelievethatevolutionis19forourabilitytoproduceanduselanguage.They20thatourhighlyevolvedbrainprovidesus21aninnatelanguageabilitynotfoundinlower22.Proponentsofthisinnatenesstheorysaythatour23forlanguageisinbornbutthatlanguageitselfdevelopsgradually24afunctionofthegrowthofthebrainduringchildhood.Thereforetherearecritical25timesforlanguagedevelopment.Current26oftheinnatenesstheoryaremixed;howeverevidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.27moreandmoreschoolsarediscoveringthatforeignlanguagesarebesttaughtin28grades.Youngchildrenoftencanlearnseverallanguagesbybeing29tothemwhileadultshaveamuchhardertimelearninganotherlanguageoncethe30oftheirfirstlanguagehavebecomefirmlyfixed.31someaspectsoflanguageareundeniablyinnatelanguagedoesnotdevelopautomaticallyinavacuum.Childrenwhohavebeen32fromotherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat33withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage34thananyinnatecapacities.Thesetheoristsviewlanguageasimitativelearnedbehavior.35childrenlearnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild’slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.Ⅱ．完形填空/Cloze阅读下列短文掌握其大意然后从每小题所给的四个选项ABCD中选出最佳选项
久置空气中会发生颜色变化但颜色变化不是由于跟氧气反应引起的物质是
IamSergeyBrin!IwasborninMoscow.In1979whenIwas5myfamilyimmigratedtotheU.S.A.California.Irememberthatonmy9thbirthdayIgotmyfirstcomputerCommodore64.LaterIgraduatedwithhonorsintheUniversityofMarylandinMathematicsandIT.Themainfieldofmyscienceresearchwasthetechnologiesusedtocollectdatafromunsystematicsourcesaswellaslargequantitiesoftextsandsciencedata.IwastheauthorofdozensofarticlesinleadingAmericanacademicmagazines.Thegreatesteventinmylifehappenedwhenin1998Iwaspreparingforthedefense论文答辩ofmyDoctor’sdegreeinStanfordUniversity.TherethefatemadememeetLarryPage—ayoungcomputergenius.Larrybelongedtotheintellectual知识分子society.LarryandIquicklybecamefriendswhenweworkedtogether.WeweresearchingdayandnightontheInternet.Wewerefindingalotofinformationbutwiththefeelingwestillcouldn’tfindenoughofwhatwewerelookingfor.Naturallytheideaforasearchenginethatwouldallowspecificinformationtobefoundintheendlesspoolofdatawasbornlikeitcametous.Itwasn’tourplansbutwegaveuptheeducationattheuniversity.Youknowthenextpartmaybe—wemanagedtoturnanordinarygarageinMeploParkCaliforniatheU.S.A.intoourfirstofficeinwhichGooglewasborn.WithexcitementwetypedthenameofthethingwhichwecreatedwithloveonSeptember14th1998—www.Google.com.Nowafterthoseyearsweboughtthisgarage.Asasymbolitwillalwaysremindusthateverythingispossible.SergeyBrinactuallygraduatedfrom______.
Fromchildhoodtooldagewealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst16theywerelikenewbornchildrenunabletousethis17tool.Yetoncelanguagedevelopedthepossibilitiesforhumankind’sfuture18andculturalgrowthincreased.Manylinguistsbelievethatevolutionis19forourabilitytoproduceanduselanguage.They20thatourhighlyevolvedbrainprovidesus21aninnatelanguageabilitynotfoundinlower22.Proponentsofthisinnatenesstheorysaythatour23forlanguageisinbornbutthatlanguageitselfdevelopsgradually24afunctionofthegrowthofthebrainduringchildhood.Thereforetherearecritical25timesforlanguagedevelopment.Current26oftheinnatenesstheoryaremixed;howeverevidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.27moreandmoreschoolsarediscoveringthatforeignlanguagesarebesttaughtin28grades.Youngchildrenoftencanlearnseverallanguagesbybeing29tothemwhileadultshaveamuchhardertimelearninganotherlanguageoncethe30oftheirfirstlanguagehavebecomefirmlyfixed.31someaspectsoflanguageareundeniablyinnatelanguagedoesnotdevelopautomaticallyinavacuum.Childrenwhohavebeen32fromotherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat33withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage34thananyinnatecapacities.Thesetheoristsviewlanguageasimitativelearnedbehavior.35childrenlearnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild’slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.Ⅱ．完形填空/Cloze阅读下列短文掌握其大意然后从每小题所给的四个选项ABCD中选出最佳选项
Whodoyouthinkwill______nowthatthegovernorhasbeendismissed
Fromchildhoodtooldagewealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst16theywerelikenewbornchildrenunabletousethis17tool.Yetoncelanguagedevelopedthepossibilitiesforhumankind’sfuture18andculturalgrowthincreased.Manylinguistsbelievethatevolutionis19forourabilitytoproduceanduselanguage.They20thatourhighlyevolvedbrainprovidesus21aninnatelanguageabilitynotfoundinlower22.Proponentsofthisinnatenesstheorysaythatour23forlanguageisinbornbutthatlanguageitselfdevelopsgradually24afunctionofthegrowthofthebrainduringchildhood.Thereforetherearecritical25timesforlanguagedevelopment.Current26oftheinnatenesstheoryaremixed;howeverevidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.27moreandmoreschoolsarediscoveringthatforeignlanguagesarebesttaughtin28grades.Youngchildrenoftencanlearnseverallanguagesbybeing29tothemwhileadultshaveamuchhardertimelearninganotherlanguageoncethe30oftheirfirstlanguagehavebecomefirmlyfixed.31someaspectsoflanguageareundeniablyinnatelanguagedoesnotdevelopautomaticallyinavacuum.Childrenwhohavebeen32fromotherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat33withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage34thananyinnatecapacities.Thesetheoristsviewlanguageasimitativelearnedbehavior.35childrenlearnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild’slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.Ⅱ．完形填空/Cloze阅读下列短文掌握其大意然后从每小题所给的四个选项ABCD中选出最佳选项
Fromchildhoodtooldagewealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst16theywerelikenewbornchildrenunabletousethis17tool.Yetoncelanguagedevelopedthepossibilitiesforhumankind’sfuture18andculturalgrowthincreased.Manylinguistsbelievethatevolutionis19forourabilitytoproduceanduselanguage.They20thatourhighlyevolvedbrainprovidesus21aninnatelanguageabilitynotfoundinlower22.Proponentsofthisinnatenesstheorysaythatour23forlanguageisinbornbutthatlanguageitselfdevelopsgradually24afunctionofthegrowthofthebrainduringchildhood.Thereforetherearecritical25timesforlanguagedevelopment.Current26oftheinnatenesstheoryaremixed;howeverevidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.27moreandmoreschoolsarediscoveringthatforeignlanguagesarebesttaughtin28grades.Youngchildrenoftencanlearnseverallanguagesbybeing29tothemwhileadultshaveamuchhardertimelearninganotherlanguageoncethe30oftheirfirstlanguagehavebecomefirmlyfixed.31someaspectsoflanguageareundeniablyinnatelanguagedoesnotdevelopautomaticallyinavacuum.Childrenwhohavebeen32fromotherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat33withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage34thananyinnatecapacities.Thesetheoristsviewlanguageasimitativelearnedbehavior.35childrenlearnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild’slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.Ⅱ．完形填空/Cloze阅读下列短文掌握其大意然后从每小题所给的四个选项ABCD中选出最佳选项
Fromchildhoodtooldagewealluselanguageasameansofbroadeningourknowledgeofourselvesandtheworldaboutus.Whenhumansfirst16theywerelikenewbornchildrenunabletousethis17tool.Yetoncelanguagedevelopedthepossibilitiesforhumankind’sfuture18andculturalgrowthincreased.Manylinguistsbelievethatevolutionis19forourabilitytoproduceanduselanguage.They20thatourhighlyevolvedbrainprovidesus21aninnatelanguageabilitynotfoundinlower22.Proponentsofthisinnatenesstheorysaythatour23forlanguageisinbornbutthatlanguageitselfdevelopsgradually24afunctionofthegrowthofthebrainduringchildhood.Thereforetherearecritical25timesforlanguagedevelopment.Current26oftheinnatenesstheoryaremixed;howeverevidencesupportingtheexistenceofsomeinnateabilitiesisundeniable.27moreandmoreschoolsarediscoveringthatforeignlanguagesarebesttaughtin28grades.Youngchildrenoftencanlearnseverallanguagesbybeing29tothemwhileadultshaveamuchhardertimelearninganotherlanguageoncethe30oftheirfirstlanguagehavebecomefirmlyfixed.31someaspectsoflanguageareundeniablyinnatelanguagedoesnotdevelopautomaticallyinavacuum.Childrenwhohavebeen32fromotherhumanbeingsdonotpossesslanguage.Thisdemonstratesthat33withotherhumanbeingsisnecessaryforproperlanguagedevelopment.Somelinguistsbelievethatthisisevenmorebasictohumanlanguage34thananyinnatecapacities.Thesetheoristsviewlanguageasimitativelearnedbehavior.35childrenlearnlanguagefromtheirparentsbyimitatingthem.Parentsgraduallyshapetheirchild’slanguageskillsbypositivelyreinforcingpreciseimitationsandnegativelyreinforcingimpreciseones.Ⅱ．完形填空/Cloze阅读下列短文掌握其大意然后从每小题所给的四个选项ABCD中选出最佳选项
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的物质的名称为2-乙基丁烯 CH3—CH=CH—C≡C—CF3分子结构中6个碳原子可能都在一条直线上 相同物质的量的乙炔与苯分别在足量的氧气中完全燃烧，消耗氧气的量相同 β—月桂烯的结构如图
所示，该物质与等物质的量溴发生加成反应的产物（不考虑立体异构）理论上最多有4种
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