2024年3月11日发(作者：查惜)
#1
ceisverylarge
andisbrandnew;ond
placeisverysmallandisveryold,butyouwouldbeabletogettoworkoruniversity
lacewouldyouprefertolivein?Explainwhy
#2
CafeteriaforMathBuilding
Studentswhoaremajoringinmathspendalotoftimeinthemathbuilding.I
thinkitwouldbemoreconvenientformathstudentsiftheuniversityturned
thelargeemptyroomonthefirstfloorofthemathbuildingintoasmall
acafeteriainthemathbuildingwouldgivestudentsaplace
onally,the
universitycouldaddanumberofelectricaloutletstotheroomsostudents
couldrechargetheirlaptopsthere.
Sincerely,JustinRuben
Now,listentotwostudentsdiscussingtheletter.
Female:Didyouseethisletterofjustinsinthepapertoday?Ilikehisidea.
Male:Yeah,Ididseethat.
Female:Ithinkit'dbearealconvenience,becauserightnowtheclosest
placetogetsomethingtoeatisthatthestudentcenter,whichisallthewayacross
campus.
Male:Youknowyou'rerightaboutthat.
Female:Therejustisn'tenoughtimetoleavethemathbuilding,makethelongwalkto
thestudentcenterandgetbackintimeforyournextclass.
Male:Iknowwhatyoumean.
Female:So,itwouldbeagreatplacetojusthavesomethingtoeat,spendtimewith
friendsandsloweddownalittleinbetweenclasses.
Male:Andwhatabouthissuggestionaboutthecomputers?
Female:Oh,Ireallylikeitbecausemoststudentsbringtheirlaptopstoclasses,
especiallymathclasses,andtheyneedtorechargetheirlaptopswhenthey'renotin
class.
Male:Yeah,andthereareabsolutelynoplacestodothatinthemathbuildingbecause
it'ssoold.
Female:,likeifyouhaveacoupleofmathclassesinarow,andsometime
inbetweenthem,itwouldbeagoodplacetositdownandrechargeyourlaptopand
maybegetsomeworkdoneatthesametime.
Theletterwriterpointsoutaproblemwiththemathbuildingandsuggestsan
ydescribetheimprovementandexplainthereasonswhythe
womanagreesordisagreeswiththeletterwriter’ssuggestion.
#3
DiffusionEffectinHealth
Studies
Whenhealtheducationexpertswanttotesttheeffectivenessofaprogram
designedtoimproveaparticularhealthcondition,theyoftendoastudy
upparticipatesintheprogram,while
researcherscomparethetwogroupstoseeif
r,ifthegroups
comeintocontactduringthestudy,adiffusioneffectmayoccur.
Membersofthegroupparticipatingintheprogrammaymistakenlyshare
tenleadsto
theresultsofthestudybeinguseless.
Now,listentopartofalectureonthistopicinapsychologyclass.
So,ok,let'rcherwantedtostudywaystopreventoffice
,hecameupwitha
simpleprogramofexercises,antedtoknowif
thisexerciseprogramwouldkeeppeoplefromgettingsotiredduringtheworkday,so
dedtheworkersinanofficebuildingintotwogroups,groupA
earcherhadgroupAdothisnewexerciseprogram,thesespecial
exercisesandstretcheseveryday,whilegroupBtheyweretoldjusttoworkasusual
andgroupAwastoldnottotellgroupBabouttheexercisestheyweredoing.
thappenedwasonedaysome
peoplefromgroupAweretalkingabouthowtheexercisestheyweredoingwere
makingthemfeelgreatthattheyweren'tbecomingsostiffandtiredduringthe
,theresearcher
wasn'tabletotellhowwelltheexerciseisactuallyworked,becausepeoplefromboth
groupsweredoingthem.
Explainhowtheexamplefromthelectureillustratestheconceptofadiffusioneffect.
#4
Listentopartofalectureinabiologyclass.
imalspeciesrely
bletorunorflyquicklyhelpsthemtohunt,to
theseanimalsso
fast?Well,theseanimalshavedevelopedphysicaladaptationsthathelpthemtorunat
'imalshavespecially
elyfastanimals
lpsthemescapefroma
predatororcapturepreymoreefficiently,sincetheycanrunafterthemathighspeeds
mple,thecheetah,theselarge
catsareamongthefastestanimalsintheworld,andmanyofthemliveintheAfrican
desert,tershavefeetwith
adsprotectthemfromthehotsandandsticksand
stones,sotheydon'thurttheirfeetandhavetoslowdown.
Anotheradaptationthatallowsanimalstorunathighspeedsisspeciallyadaptedlegs.
Animalsthathavelong,powerfullegsaregenerallyabletorunfasterthanother
gagainatthecheetah,
acheetahstartstorun,itpushesoffononeofitspowerfulbacklegs,sendingthebody
'smore,thecheetah’slegsareverylong,allowing
themtotakehugesteps,coveringagreaterdistanceinlesstimethaniftheyhadshorter
legs.
Usingpointsandexamplesfromthelecture,explaintwoadaptationsthatallow
animalstorunathighspeeds
2024年3月11日发(作者：查惜)
#1
ceisverylarge
andisbrandnew;ond
placeisverysmallandisveryold,butyouwouldbeabletogettoworkoruniversity
lacewouldyouprefertolivein?Explainwhy
#2
CafeteriaforMathBuilding
Studentswhoaremajoringinmathspendalotoftimeinthemathbuilding.I
thinkitwouldbemoreconvenientformathstudentsiftheuniversityturned
thelargeemptyroomonthefirstfloorofthemathbuildingintoasmall
acafeteriainthemathbuildingwouldgivestudentsaplace
onally,the
universitycouldaddanumberofelectricaloutletstotheroomsostudents
couldrechargetheirlaptopsthere.
Sincerely,JustinRuben
Now,listentotwostudentsdiscussingtheletter.
Female:Didyouseethisletterofjustinsinthepapertoday?Ilikehisidea.
Male:Yeah,Ididseethat.
Female:Ithinkit'dbearealconvenience,becauserightnowtheclosest
placetogetsomethingtoeatisthatthestudentcenter,whichisallthewayacross
campus.
Male:Youknowyou'rerightaboutthat.
Female:Therejustisn'tenoughtimetoleavethemathbuilding,makethelongwalkto
thestudentcenterandgetbackintimeforyournextclass.
Male:Iknowwhatyoumean.
Female:So,itwouldbeagreatplacetojusthavesomethingtoeat,spendtimewith
friendsandsloweddownalittleinbetweenclasses.
Male:Andwhatabouthissuggestionaboutthecomputers?
Female:Oh,Ireallylikeitbecausemoststudentsbringtheirlaptopstoclasses,
especiallymathclasses,andtheyneedtorechargetheirlaptopswhenthey'renotin
class.
Male:Yeah,andthereareabsolutelynoplacestodothatinthemathbuildingbecause
it'ssoold.
Female:,likeifyouhaveacoupleofmathclassesinarow,andsometime
inbetweenthem,itwouldbeagoodplacetositdownandrechargeyourlaptopand
maybegetsomeworkdoneatthesametime.
Theletterwriterpointsoutaproblemwiththemathbuildingandsuggestsan
ydescribetheimprovementandexplainthereasonswhythe
womanagreesordisagreeswiththeletterwriter’ssuggestion.
#3
DiffusionEffectinHealth
Studies
Whenhealtheducationexpertswanttotesttheeffectivenessofaprogram
designedtoimproveaparticularhealthcondition,theyoftendoastudy
upparticipatesintheprogram,while
researcherscomparethetwogroupstoseeif
r,ifthegroups
comeintocontactduringthestudy,adiffusioneffectmayoccur.
Membersofthegroupparticipatingintheprogrammaymistakenlyshare
tenleadsto
theresultsofthestudybeinguseless.
Now,listentopartofalectureonthistopicinapsychologyclass.
So,ok,let'rcherwantedtostudywaystopreventoffice
,hecameupwitha
simpleprogramofexercises,antedtoknowif
thisexerciseprogramwouldkeeppeoplefromgettingsotiredduringtheworkday,so
dedtheworkersinanofficebuildingintotwogroups,groupA
earcherhadgroupAdothisnewexerciseprogram,thesespecial
exercisesandstretcheseveryday,whilegroupBtheyweretoldjusttoworkasusual
andgroupAwastoldnottotellgroupBabouttheexercisestheyweredoing.
thappenedwasonedaysome
peoplefromgroupAweretalkingabouthowtheexercisestheyweredoingwere
makingthemfeelgreatthattheyweren'tbecomingsostiffandtiredduringthe
,theresearcher
wasn'tabletotellhowwelltheexerciseisactuallyworked,becausepeoplefromboth
groupsweredoingthem.
Explainhowtheexamplefromthelectureillustratestheconceptofadiffusioneffect.
#4
Listentopartofalectureinabiologyclass.
imalspeciesrely
bletorunorflyquicklyhelpsthemtohunt,to
theseanimalsso
fast?Well,theseanimalshavedevelopedphysicaladaptationsthathelpthemtorunat
'imalshavespecially
elyfastanimals
lpsthemescapefroma
predatororcapturepreymoreefficiently,sincetheycanrunafterthemathighspeeds
mple,thecheetah,theselarge
catsareamongthefastestanimalsintheworld,andmanyofthemliveintheAfrican
desert,tershavefeetwith
adsprotectthemfromthehotsandandsticksand
stones,sotheydon'thurttheirfeetandhavetoslowdown.
Anotheradaptationthatallowsanimalstorunathighspeedsisspeciallyadaptedlegs.
Animalsthathavelong,powerfullegsaregenerallyabletorunfasterthanother
gagainatthecheetah,
acheetahstartstorun,itpushesoffononeofitspowerfulbacklegs,sendingthebody
'smore,thecheetah’slegsareverylong,allowing
themtotakehugesteps,coveringagreaterdistanceinlesstimethaniftheyhadshorter
legs.
Usingpointsandexamplesfromthelecture,explaintwoadaptationsthatallow
animalstorunathighspeeds