交互英语听力.docx
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交互英语听力
Choosethecorrectwordtocompleteeachsentence.Thewordsintheboxaregiventoyouforreference.
A. participant
B. normal
C. professor
D. illustrate
E. assistant
F. discuss
G. accidentally
H. blind
I. insightinto
J. method
Allofyouranswersarecorrect.Welldone!
窗体顶端
1.Thescientist G （withoutplanningorintendingtodoso）droppedabottleofmedicineonthefloorandbrokeit.
2.It's B （usual）forteachersatcollegestoaskstudentstohelpthemwiththeirexperiments.
3.Hisresearchgavehim I （ausefulunderstandingthathedidnothavebeforeof）howthenewmedicineworkedinbothadultsandchildren.
4.Thescientist's E （helper）workedwithherassheperformedtheexperiment.Healsohelpedherdoresearchforajournalarticle.
5.ProfessorLeeisdoinganexperimentabouttheamountofvitaminCpeopleshouldtakewhentheyhaveacold,andheneedsonemore A （personwhoistakingpart）.
6.The C （universityteacher）isteachingapopularbiologycourseatWilsonCollegethissemester.
7.Thescientistalwaysusedthesame J （plannedwayofdoingsomething）whenheperformedhisexperiments.
8.Whenanexperimentis H （withoutinformationgiventothepeopleinit）,itusuallygetsbetterresultsbecausethepeoplearenotinfluencedbyotherthings.
9.Inmybiologyclass,we F （talkabout）differenttypesofexperimentsthatscientistsperform.
10.Theprofessortriedto D （explain）whathewastalkingaboutbyshowingtheclasschartsandphotographs.
窗体底端
2.Listentotheaudio"TheExperimentalMethod".ThenClickon tolistentothepassage.Choosetrueorfalseforeachstatement.
Allofyouranswersarecorrect.Welldone!
窗体顶端
1.Mostbiologistsusecontrolledexperimentsintheirresearch.
A.true
B.false
2.Peopledrinkechinaceateawhentheyhavestomachaches.
A.true
B.false
3.Echinaceateaismadefromtheflowerofaplant.
A.true
B.false
4.Accordingtothespeaker,scientistshavedonemanystudiesonechinaceatea.
A.true
B.false
5.Researchersneedtwogroupsofpeopleforacontrolledexperiment.
A.true
B.false
6.Ifpeopleintheexperimentalgroupgetbetterandthepeopleinthecontrolgroupdon’t,itisdefinitelybecauseoftheechinaceatea.
A.true
B.false
窗体底端
Clickon tolistentothepassage.Thenchoosethecorrectanswers.
Allofyouranswersarecorrect.Welldone!
窗体顶端
1.Whowasgivenechinaceateatoseeiftheircoldsgetbettermorequickly?
A.experimentalgroup
B.controlgroup
C.bothgroups
2.Whowasusedasacomparisonforwhatis“normal"?
A.experimentalgroup
B.controlgroup
C.bothgroups
3.Whowantsthecoldtogetbetter?
A.experimentalgroup
B.controlgroup
C.bothgroups
4.Whogetstherealtreatment?
A.experimentalgroup
B.controlgroup
C.bothgroups
5.Whomightfeelbetteriftheyknowtheyaregettingthetreatment?
A.experimentalgroup
B.controlgroup
C.bothgroups
6.Whomightfeelworseiftheyknowtheyarenotgettingthetreatment?
A.experimentalgroup
B.controlgroup
C.bothgroups
7.Whogetsaplacebo?
A.experimentalgroup
B.controlgroup
C.bothgroups
8.Whodoesn’tknowiftheyaregettingthetreatmentortheplacebo?
A.experimentalgroup
B.controlgroup
C.bothgroups
窗体底端
Clickon tolistentothepassage.Thenchoosethecorrectanswers.
Allofyouranswersarecorrect.Welldone!
窗体顶端
1.Aplacebo_________.
A.hasthesameeffectastheexperimentaltreatment
B.isstrongerandmoreeffectivethantheexperimentaltreatment
C.looksdifferentfromtheexperimentaltreatment
D.looksliketheexperimentaltreatment,butdoesnothing
2.Theparticipantsinablindexperiment_________.
A.allgettheexperimentaltreatment
B.allgettheplacebo
C.don'tknowwhichtreatmenttheyaregetting
D.don'twantanytreatment
3.Inadouble-blindexperiment,_________.
A.boththeresearchersandtheparticipantsknowwhoisgettingthetreatment
B.neithertheresearchersnortheparticipantsknowwhoisgettingthetreatment
C.theparticipantsknowwhoisgettingthetreatment,buttheresearchersdon't
D.theresearchersknowwhoisgettingthetreatment,buttheparticipantsdon't
4.Double-blindexperimentsareusedtomakesurethat_________.
A.theparticipantswillcontinuetakingthetreatment
B.theparticipantswon'ttelltheresearcherswhichtreatmenttheythinktheyaretaking
C.theresearcherswillalwaysgivethebesttreatmenttoparticipants
D.theresearcherswon'taccidentallygivehintstoparticipantsaboutwhichtreatmenttheyaregetting
窗体底端
Listentothepassage.Fillintheblankswiththecorrectphrasestocompletethetext.
akindofherbalteamadefrompartsoftheechinaceaflower
allvery,veryimportantthingstothinkabout
blindexperiments
controlledexperiments
groupofpeoplewhodon’tgetanyechinaceatea
thesameastheexperimentalgroup
theircoldsgotbettermorequickly
thisdifferenceisfromtakingechinacea
Allofyouranswersarecorrect.Welldone!
窗体顶端
Aswe’llsee,mostexperimentsinbiologyareinfact controlledexperiments andplacebosareveryusefulformakingsurethatcontrolledexperimentsarealso blindexperiments .Theseideasare allvery,veryimportantthingstothinkabout everytimeyouhearaboutanexperiment.Firstofall,controlledexperiments.Thebestwaytoexplaintheseiswithanexample,whichwe'lllookatoverthenextfewminutes.Maybesomeofyoudrinkechinaceateawhenyouhaveacold,yes?
No?
OK,forthoseofyouwhodon’tknowaboutechinaceatea,it’s akindofherbalteamadefrompartsoftheechinaceaflower .Butdoyouknowwhetherit’seffective?
Ofcourseyouseelotsofadvertisementssayingitis—theywouldn’tsellmuchiftheydidn’t,wouldthey?
So,howcanwebesure?
Ourexampleexperimentwillhelpusfindout.Forinstance,scientistscouldgiveechinaceateatoagroupofpeopleandseewhether theircoldsgotbettermorequickly than“normal”.Thisgroupistheexperimentalgroup.But,what’s“normal”?
Theexperimentneedsanother groupofpeoplewhodon’tgetanyechinaceatea .Then,ifthere’sadifferencebetweenthetwogroups,maybe,justmaybe, thisdifferenceisfromtakingechinacea .Sothecontrolgroupis thesameastheexperimentalgroup ,butdoesnotgettheexperimentaltreatment.
窗体底端
Listentothepassage.Fillintheblankswiththecorrectwordstocompletethetext.
assistants
effect
nothing
real
blinded
experiment
participants
treatment
double-blind
hints
placebo
Allofyouranswersarecorrect.Welldone!
窗体顶端
1.But,you’reprobablywondering,howcanpeoplenotknowwhichgroupthey’rein?
Surely,theyknowwhenthey’renottakingthe treatment !
2.Scientistshaveananswerforthat—andit’sanimportantanswer—theygivesomethingcalleda placebo .
3.Whatisaplacebo?
It’ssomethingthatdoes nothing !
Ithasno effect .
4.Inourechinacea experiment ,forexample,theplacebolooksjustlikeechinaceatea.
5.When participants don’tknowwhichgroupthey’rein,wesaytheyare blinded .
6.Theycan’tseewhethertheyaretakingthe real treatmentortheplacebo.
7.Sometimes,theresearch assistants —thepeoplegivingthetreatment（inourcase,theechinaceatea）—arealso“blinded”.
8.Thisisjustincasetheyaccidentallygive hints aboutwhetherit’srealtea.
9.Whentheresearchassistantsandtheparticipantsareallblinded,wecallita“ double-blind ”experiment.
窗体底端
Unit2Marketing:
NewWaystoSpreadtheMessage
hoosethewordthatbestcompleteseachsentence.
Allofyouranswersarecorrect.Welldone!
窗体顶端
1.Thecompanylaunchedagreatadcampaignfortheirnewactionmovie._____,itwasthemostpopularmovieofthesummer.
A.Consequently
B.Especially
C.Extremely
D.Similarly
2.Thecompanywantedtotelleveryoneaboutitsnewsoftdrink,soitsentpeople_____toapartywheretheygaveawayfreecansofthesoftdrink.
A.fashions
B.trends
C.invitations
D.tricks
3.Advertisingonroadsidebillboardsisnotreallyin_____anymore,thoughsomecompaniesstilldoit.
A.fashion
B.trick
C.sticker
D.invitation
4.Somepeoplealwaysbuy_____productstosavemoney,andothersliketobuyexpensive,high-qualityproducts.
A.tricky
B.similar
C.cheap
D.honest
5.Someoneputa_____onthewallofmybuildingtoadvertiseanewmagazine.
A.trick
B.trend
C.fashion
D.sticker
窗体底端
窗体顶端
窗体底端
窗体顶端
7.ItisagoodideatoadvertisesomeproductsontheInternet,_____productsforyoungpeople.
A.consequently
B.especially
C.extremely
D.similarly
8.Manymakeupadsare_____toeachother;theyshowbeautifulwomensmilingatthecamera.
A.extreme
B.cheap
C.similar
D.tricky
9.WhenIrealizedthatacompanyhadsecretlypaidmyfriendtotellmeaboutthenewshampoo,Ifeltlikethecompanywastryingto_____meintobuyingit.
A.trick
B.catch
C.lower
D.spread
10.Thattypeofcaris_____expensive,soveryfewpeoplecanaffordtobuyit.
A.consequently
B.cleverly
C.extremely
D.cheaply
Choose true or false foreachstatement.
Allofyouranswersarecorrect.Welldone!
窗体顶端
1.Mygrandparentshavebeenbuyingthe
升级会员 