油液流过不同截面积的通道时,在每一截面的流量是
A、不相等C
暂无解析
Passage2
Questions6to10arebasedonthefollowingpassage:
Therearetwokindsofmemory:shot-termandlong-term.Informationinlong-termmemorycanberememberedatalatertimewhenitisneeded.Theinformationmaybekeptfordaysorweeks.However,informationoverandover.Thefollowingexperimentshowshowshort-termmemoryhasbeenstudied.
HenningstudiedhowstudentswhoarelearningEnglishasasecondlanguageremembervocabulary.Thesubjectsinhisexperimentwere75collegestudents.TheyrepresentedalllevelsofabilityinEnglish:beginning,intermediate,andnative-speakingstudents.
Tobegin,thesubjectslistenedtoarecordingofanativespeakerreadingaparagraphinEnglish.Followingtherecording,thesubjectstooka15-questiontesttoseewhichwordstheyremembered,eachquestionhadfourchoices.Thesubjectshadtocirclethewordtheyhadheardintherecording.Someofthequestionshadfourchoicesthatsoundalike.Forexample,weather,whether,wither,andwetterarefourwordsthatsoundalike.Someofthequestionshadfourchoicesthathavethesamemeaning.Method,way,manner,andsystemwouldbefourwordswiththesamemeaning.Finallythesubjectstookalanguageproficiencytest.
HenningfoundthatstudentswithalowerproficiencyinEnglishmademoreoftheirmistakesonwordsthatsoundalike;studentswithahigherproficiencymademoreoftheirmistakesonwordsthathavethesamemeaning.Henning’sresultssuggestthatbeginningstudentsholdthesoundofwordsintheirshort-termmemory,andadvancedstudentsholdthemeaningofwordsintheirshort-termmemory.
6.Henningmadetheexperimentinordertostudy.
A.howstudentsrememberEnglishvocabularybyshort-termmemory
B.howstudentslearnEnglishvocabulary
C.howtodevelopstudents’abilityinEnglish
D.howlonginformationinshort-termmemoryiskept
7.WhichofthefollowingstatementsisTRUEaccordingtothepassage?
A.Informationinshort-termmemoryisdifferentfromthatinlong-termmemory.
B.Long-termmemorycanbeachievedonlybytraining.
C.Itiseasiertotestshort-termmemorythanlong-termmemory.
D.Henninggaveaseparatetestonvocabularytohisstudents.
8.FromHenning’sresultwecanseethat.
A.beginnershavedifficultydistinguishingthepronunciationofwords
B.advancedstudentsrememberwordsbytheirmeaning
C.itisdifficulttorememberwordsthatsoundalike
D.itisdifficulttorememberwordsthathavethesamemeaning
9.Theword“subjects”inthepassagemeans.
A.memoryB.thethemeoflisteningmaterial
C.abranchofknowledgestudiedD.thestudentsexperimentedon
Itisimperativethatstudents_____theirtermpapersontime.
Arrivingatthebusstop,_____waitingthere.
You’dbetterletmeknowassoonasthereisa(n)____positioninthebranchoffice.
Iwastohavemadeaspeechif_____.