2.Whatdoestheword“chore”mea?
2.Whatdoestheword“chore”mea?
Whatdoestheword“free”meaninTheBluestEyeasaresultoffailedquest
Whatdoestheword“free”meaninTheBluestEyeasaresultoffailedquest
Inthecontextofthereading,whatdoestheword“fertile”mostcloselymean?Ideasoriginatefrompregnantminds,justasbabiesemergefromthebelliesoftheirmothers.Whatmakesamindfertile?Foronething,itisthefreedomtoventurewithouttheconfinesoftraditionalthinkingortheburdenofpracticalconcerns.
Inthecontextofthereading,whatdoestheword“fertile”mostcloselymean?Ideasoriginatefrompregnantminds,justasbabiesemergefromthebelliesoftheirmothers.Whatmakesamindfertile?Foronething,itisthefreedomtoventurewithouttheconfinesoftraditionalthinkingortheburdenofpracticalconcerns.
Whatdoestheword“challenge”meaninthenewsitem? A: Balancebetweenhumansurvivalandecology. B: Conflictbetweenlesslandandmoreproduction. C: Differencebetweenpresentandfutureneeds. D: Callsbyenvironmentalcriticstoconsumelessmeat.
Whatdoestheword“challenge”meaninthenewsitem? A: Balancebetweenhumansurvivalandecology. B: Conflictbetweenlesslandandmoreproduction. C: Differencebetweenpresentandfutureneeds. D: Callsbyenvironmentalcriticstoconsumelessmeat.
Whatdoestheword‘clutch’meaninthesentence,‘Togetthecargo,depresstheclutchpedal,putthegearleverintofirstgear,thendepresstheacceleratorpedalwithyourrightfoot,whileprogressivelyreleasingtheclutchwithyourleftfoot.’?A.踏板B.离合器C.刹车
Whatdoestheword‘clutch’meaninthesentence,‘Togetthecargo,depresstheclutchpedal,putthegearleverintofirstgear,thendepresstheacceleratorpedalwithyourrightfoot,whileprogressivelyreleasingtheclutchwithyourleftfoot.’?A.踏板B.离合器C.刹车
中国大学MOOC:Task:ReadthearticleaboutakindoffitnesstrainingcalledHIIT.Thenchoosethebestexplanationsforsomeofthewordsandexpressions.HIIT:Isthefitnessscenesbiggestfaddoingmoreharmthangood?1.HighIntensityIntervalTraining(HIIT)hasbeenthedarlingofthefitnesssceneforafewyearsnow.Fundamentally,itinvolvesrepetitionsofshortburstsofintense,maximaleffortexercise;usuallyforanywherebetween20to40seconds.2.ThetheorybehindHIITisveryappealing.Byworkingoutatyourtoplevelofexertion,youburnmorecaloriesinashortspaceoftimethanotherworkouts.Whatsmore,studiesshowthatyourmetabolismstaysinaheightenedstateforupto24hoursafteryouvefinished.Andinpractice,HIITcanhaveimpressiveresults.Itsaneffectivetoolforincreasingcardiovascularfitness,sculptingyourphysiqueandincreasingmetabolicrate.HencewhyHIITclassesarepoppingupallovertheplace.Peoplehavebecomeaccustomedtoturninguptoaclasswithloudmusicanddarklighting,justlikeanightclub–andleavinginthesamestate:barelyabletowalk.3.However...IhaveabigbonetopickwithHIIT,whichisthattheresoftennofocusonformortechniqueintheseclasses,eventhoughitsnowprescribedasthego-toformofexerciseforeveryone.Instead,themeasureofagoodHIITsessionsseemstobehowdestroyedyoufeelafteraclass.Itsinevitablethatproblemsarisefromthisallpainforgainapproach.4.Oneissueissimplythatpeoplearedoingworkoutsthattheyrenotconditionedfor.Thereisnoemphasisonflexibility,mobilityoractivationinmanyHIITclasses;yetallareincrediblyimportantinkeepingthebodyfitandhealthyasyouage.5.Whatsmore,Iregularlyseepeople“smashing”multipleHIITclassesaday,5-6daysperweek.HIITshouldnotbedonemorethanthreetimesperweek(atmost),becauseitissostrenuous.Itputsanincrediblestrainonyournervoussystem,jointsandmuscles;especiallyifyouareoverweightandunfit.6.TheHIITapproachtoexercisehasgoneOTT.Itsenteringunsustainableterritory.7.HIIT’sriseinpopularityissymptomaticofwhatiswrongwiththefitnessindustryasawhole:abrazendisregardofthefundamentals,andadetrimental“onesizefitsall”mentality.Havingtrained100sofclientsinmyfiveyearsasapersonaltrainer,thebiggestissuesmostpeoplehavearealackofflexibility,mobilityandcorestrength,ontopofmuscleactivationissues.AlloftheabovecanleadtochronicinjuriesandarefurtherexacerbatedbyHIIT.8.Mybeliefisthateveryoneshouldtrytotrainlikeathletesdo.Idon’tmeanthesametrainingfrequencyandintensityasathletes,Imeanthementalityandtheapproach.Havingtrainedasacompetitivesprinterforfouryears,Ilearnedtotakeeveryaspectofmylifeintoaccount:sleep,restdays,nutritionandweaknesses.Ilearnttolistentomybody.SomedaysIwouldwakeupfeelingtiredandfatigued,soonthosedaysIwouldn’ttrainhard.Iwoulddosomethinglessintenseandfocusonrecovery.9.Remember:burningcaloriesisntthebeallandendalloffitnessandgoodhealth.Yes,HIITmayburnmorecaloriesthananyotherformofexercise,butitsnouseifitleadstoinjuryorillness.Overtrainingisarealdanger:itcanruinyourimmunesystem,causeinsomnia,affectyourappetiteandreleasecortisol,whichinturncanmakeyoumorelikelytoputonfat.********************************************Whatdoestheword“fad”inthetitleprobablymean?
中国大学MOOC:Task:ReadthearticleaboutakindoffitnesstrainingcalledHIIT.Thenchoosethebestexplanationsforsomeofthewordsandexpressions.HIIT:Isthefitnessscenesbiggestfaddoingmoreharmthangood?1.HighIntensityIntervalTraining(HIIT)hasbeenthedarlingofthefitnesssceneforafewyearsnow.Fundamentally,itinvolvesrepetitionsofshortburstsofintense,maximaleffortexercise;usuallyforanywherebetween20to40seconds.2.ThetheorybehindHIITisveryappealing.Byworkingoutatyourtoplevelofexertion,youburnmorecaloriesinashortspaceoftimethanotherworkouts.Whatsmore,studiesshowthatyourmetabolismstaysinaheightenedstateforupto24hoursafteryouvefinished.Andinpractice,HIITcanhaveimpressiveresults.Itsaneffectivetoolforincreasingcardiovascularfitness,sculptingyourphysiqueandincreasingmetabolicrate.HencewhyHIITclassesarepoppingupallovertheplace.Peoplehavebecomeaccustomedtoturninguptoaclasswithloudmusicanddarklighting,justlikeanightclub–andleavinginthesamestate:barelyabletowalk.3.However...IhaveabigbonetopickwithHIIT,whichisthattheresoftennofocusonformortechniqueintheseclasses,eventhoughitsnowprescribedasthego-toformofexerciseforeveryone.Instead,themeasureofagoodHIITsessionsseemstobehowdestroyedyoufeelafteraclass.Itsinevitablethatproblemsarisefromthisallpainforgainapproach.4.Oneissueissimplythatpeoplearedoingworkoutsthattheyrenotconditionedfor.Thereisnoemphasisonflexibility,mobilityoractivationinmanyHIITclasses;yetallareincrediblyimportantinkeepingthebodyfitandhealthyasyouage.5.Whatsmore,Iregularlyseepeople“smashing”multipleHIITclassesaday,5-6daysperweek.HIITshouldnotbedonemorethanthreetimesperweek(atmost),becauseitissostrenuous.Itputsanincrediblestrainonyournervoussystem,jointsandmuscles;especiallyifyouareoverweightandunfit.6.TheHIITapproachtoexercisehasgoneOTT.Itsenteringunsustainableterritory.7.HIIT’sriseinpopularityissymptomaticofwhatiswrongwiththefitnessindustryasawhole:abrazendisregardofthefundamentals,andadetrimental“onesizefitsall”mentality.Havingtrained100sofclientsinmyfiveyearsasapersonaltrainer,thebiggestissuesmostpeoplehavearealackofflexibility,mobilityandcorestrength,ontopofmuscleactivationissues.AlloftheabovecanleadtochronicinjuriesandarefurtherexacerbatedbyHIIT.8.Mybeliefisthateveryoneshouldtrytotrainlikeathletesdo.Idon’tmeanthesametrainingfrequencyandintensityasathletes,Imeanthementalityandtheapproach.Havingtrainedasacompetitivesprinterforfouryears,Ilearnedtotakeeveryaspectofmylifeintoaccount:sleep,restdays,nutritionandweaknesses.Ilearnttolistentomybody.SomedaysIwouldwakeupfeelingtiredandfatigued,soonthosedaysIwouldn’ttrainhard.Iwoulddosomethinglessintenseandfocusonrecovery.9.Remember:burningcaloriesisntthebeallandendalloffitnessandgoodhealth.Yes,HIITmayburnmorecaloriesthananyotherformofexercise,butitsnouseifitleadstoinjuryorillness.Overtrainingisarealdanger:itcanruinyourimmunesystem,causeinsomnia,affectyourappetiteandreleasecortisol,whichinturncanmakeyoumorelikelytoputonfat.********************************************Whatdoestheword“fad”inthetitleprobablymean?
【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是 。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2
【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是 。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2
求定积分[img=179x43]17da65388c0b1ca.png[/img]； （ ） A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2
求定积分[img=179x43]17da65388c0b1ca.png[/img]； （ ） A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2
2 + 2 * (2 * 2 - 2) % 2 / 3
2 + 2 * (2 * 2 - 2) % 2 / 3
函数z=xsiny在点(1,π/4)处的两个偏导数分别为 A: √2/2,√2/2 B: √2/2,-√2/2 C: -√2/2,-√2/2 D: -√2/2,√2/2
函数z=xsiny在点(1,π/4)处的两个偏导数分别为 A: √2/2,√2/2 B: √2/2,-√2/2 C: -√2/2,-√2/2 D: -√2/2,√2/2