选修作业day6刷题训练营

DAY5:BAECDDAB

打卡第六天：假设题1（答案请用红色标出）

Installingscrubbersinsmokestacksandswitchingtocleaner-burningfuelarethetwomethodsavailabletoNorthernPowerforreducingharmfulemissionsfromitsnts.Scrubberswillreduceharmfulemissionsmorethancleaner-burningfuelswill.Therefore,byinstallingscrubbers,NorthernPowerwillbe ngthemostthatcanbedonetoreduceharmfulemissionsfromits

nts.

Whichofthefollowingisanassumptiononwhichtheargumentdepends?

逻辑链分析：

ASwitchingtocleaner-burningfuelwillnotbemoreexpensivethaninstallingscrubbers.

分析A选项：

BNorthernPowercanchoosefromamongvariouskindsofscrubbers,someofwhicharemoreeffectivethanothers.

分析B选项：

CNorthernPowerisnotnecessarilycommittedtoreducingharmfulemissionsfromits nts.

分析C选项：

DHarmfulemissionsfromNorthernPower's ntscannotbereducedmorebyusingbothmethodstogetherthanbytheinstallationofscrubbersalone.

分析D选项：

EAsidefromharmfulemissionsfromthesmokestacksofits nts,theactivitiesofNorthernPowerdonotcausesignificantairpollution.

分析E选项：

Althoughcomputerscanenhancepeople’sabilitytocommunicate,computergamesareacauseofunderdevelopedcommunicationskillsinchildren.After-schoolhoursspentyingcomputergamesarehoursnotspenttalkingwithpeople.Therefore,childrenwhospendalltheirsparetimeyingthesegameshavelessexperienceininter alcommunicationthanotherchildrenhave.

Theargumentdependsonwhichofthefollowingassumptions?

逻辑链分析：

APassiveactivitiessuchaswatching evisionandlisteningtomusicdonothinderthedevelopmentofcommunicationskillsinchildren.

分析A选项：

BMostchildrenhaveotheropportunities,inadditiontoafter-schoolhours,inwhichtheycanchoosewhetherto ycomputergamesortoin ctwithotherpeople.

分析B选项：

CChildrenwhodonotspendalloftheirafterschoolhours yingcomputergamesspendatleastsomeofthattimetalkingwithotherpeople.

分析C选项：

DFormalinstructioncontributeslittleornothingtochildren’sacquisitionofcommunicationskills.

分析D选项：

EThementalskillsdevelopedthrough yingcomputergamesdonotcontributesignificantlytochildren’sin lectualdevelopment.

分析E选项：

Roland:Thealarmingfactisthat90percentofthepeopleinthiscountrynowreportthattheyknowsomeonewhoisunemployed.

Sharon:Butanormal,moderatelevelofunemploymentis5percent,with1outof20workersunemployed.Soatanygiventimeifa knowsapproximay50workers,oneormorewillverylikelybeunemployed.

Sharon'sargumentreliesontheassumptionthat

逻辑链分析：

Anormallevelsofunemploymentarerarelyexceeded

分析A选项：

Bunemploymentisnotnormallyconcentratedingeographicallyisolatedsegmentsofthepopulation

分析B选项：

Cthenumberofpeoplewhoeachknowsomeonewhoisunemployedisalwayshigherthan90percentofthepopulation

分析C选项：

DRolandisnotconsciouslydistortingthestatisticshepresents

分析D选项：

Eknowledgethata alacquaintanceisunemployedgeneratesmorefearoflosingone’sjobthandoesknowledgeofunemploymentstatistics

分析E选项：

Within20yearsitwillprobablybepossibletoidentifythegeneticsusceptibilityanindividualmayhavetowardanyparticulardisease.Eventually,effectivestrategieswillbediscoveredtocoun cteachsuchsusceptibility.Oncetheseeffectivestrategiesarefound,therefore,thepeoplewhofollowthemwillnevergetsick.

Theargumentaboveisbasedonwhichofthefollowingassumptions?

逻辑链分析：

AForeverydiseasethereisonlyonestrategythatcanpreventitsoccurrence.

分析A选项：

BInthefuture,geneticswillbetheonlymedicalspecialtyofanyimportance.

分析B选项：

CAllhumansicknessesareinparttheresultofindividuals'geneticsusceptibilities.

分析C选项：

DAllhumansaregeneticallysusceptibletosomediseases.

分析D选项：

EPeoplewillfollowmedicaladvicewhentheyareconvincedthatitiseffective.

分析E选项:

Aresearcherdiscoveredthatpeoplewhohavelowlevelsofimmune-systemactivitytendtoscoremuchlowerontestsofmentalhealththandopeoplewithnormalorhighimmune-systemactivity.Theresearcherconcludedfromthisexperimentthattheimmunesystemprotectsagainstmentalillnessaswellasagainstphysicaldisease.

Theresearcher'sconclusiondependsonwhichofthefollowingassumptions?

逻辑链分析：

AHighimmune-systemactivityprotectsagainstmentalillnessbetterthannormalimmune-systemactivitydoes.

分析A选项：

BMentalillnessissimilartophysicaldiseaseinitseffectsonbodysystems.

分析B选项：

CPeoplewithhighimmune-systemactivitycannotdevelopmentalillness. 分析C选项：

DMentalillnessdoesnotcausepeople'simmune-systemactivitytodecrease.

分析D选项：

EPsychologicaltreatmentofmentalillnessisnotaseffectiveasismedicaltreatment.

分析E选项：

Researchershavefoundthatwhenveryoverweightpeople,whotendtohaverelativelylowmetabolicrates,loseweightprimarilythroughdieting,theirmetabolismsgenerallyremainunchanged.Theywillthusburnsignificantlyfewercaloriesatthenewweightthandopeoplewhoseweightisnormallyatthatlevel.Suchnewlythin swill,therefore,ultima yregainweightuntiltheirbodysizeagainmatchestheirmetabolicrate.

Theconclusionoftheargumentabovedependsonwhichofthefollowingassumptions?

逻辑链分析：

ARelativelyfewveryoverweightpeoplewhohavedieteddowntoanewweighttendtocontinuetoconsumesubstantiallyfewercaloriesthandopeoplewhosenormalweightisatthatlevel.

分析A选项：

BThemetabolismsofpeoplewhoareusuallynotoverweightaremuchmoreabletovarythanthemetabolismsofpeoplewhohavebeenveryoverweight.分析B选项：

CTheamountofcaloriesthata usuallyburnsinadayisdeterminedmorebytheamountthatisconsumedthatdaythanbythecurrentweightoftheindividual.

分析C选项：

DResearchershavenotyetdeterminedwhetherthemetabolicratesofformerlyveryoverweightindividualscanbeacceleratedbymeansofchemicalagents.

分析D选项：

EBecauseoftheconstancyoftheirmetabolicrates,peoplewhoareattheirusualweightnormallyhaveasmuchdifficultygainingweightastheydolosingit.

分析E选项：

Topreventharborporpoisesfromgettingtangledinitsnetsandsuffocating,afishing installedacousticalarmsonallitsboatsthatfishinwatersoffMassachusetts.Thesoundemittedtemporarilydisorientstheporpoisesandfrightensthemaway.Sincetheinstallationofthealarms,theaveragenumberofporpoisescaughtinthe 'snetshasdroppedfromeighttoonepermonth.Thealarms,therefore,aresavingthelivesofharborporpoisesinthosewaters.

Whichofthefollowingisanassumptiononwhichtheargumentdepends?

逻辑链分析：

ATheuseofacousticalarmsincreasesthenumberofcommercialfishcaughtbythefishing 'sboats.

分析A选项：

BWhendisoriented,harborporpoisesarenotsignificantlymorelikelytobekilledbyotherboats.

分析B选项：

CEnvironmentalistsadvocatetheuseofacousticalarmsasameansofprotectingtheharborporpoisepopulation.

分析C选项：

DThealarmswereinstalledatthetimeofyearwhenharborporpoisesaremostplentifulintheMassachusettswaters.

分析D选项：

EThecostofinstallingacousticalarmsonfishingboatsislessthanthecostofrepairingnetsdamagedbyharborporpoises.

分析E选项：

InKravonia,theaveragesalaryforjobsrequiringacollegedegreehasalwaysbeenhigherthantheaveragesalaryforjobsthatdonotrequireadegree.CurrentenrollmentsinKravonia'scollegesindicatethatoverthenextfouryearsthepercentageoftheKravonianworkwithcollegedegreeswill