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

胎盘剥离的征象不包括

Passage3

Questions11to15arebasedonthefollowingpassage:

About70millionAmericansaretryingtolossweight.Thatisalmost1outofevery3peopleintheUnitedStates.Somepeoplegoonideas.Thismeanstheyeatlesscertainfoods,especiallyfatsandsugars.Otherpeopleexercisewithespecialequipment,takedietpills,orevenhavesurgery.Losingweightishardwork,anditcanalsocostalotofmoney.SowhydosomanypeopleintheUnitedStateswanttoloseweight?

ManypeopleintheUnitedStatesworryaboutnotlookingyoungandattractive.Formanypeople,lookinggoodalsomeansbeingthin.Otherpeopleworryabouttheirhealth.Manydoctorssaybeingoverweightisnothealthy.ButareAmericansreallyfat?Almost30millionAmericansweightatleast20percentmorethantheiridealweight.Infact,theUnitedStateisthemostoverweightcountryinthewild.“ThestoredfatofadultAmericansweight2.3trillionpounds,”saysUniversityofMassachusettsanthropologist(人类学家)GeorgeArmelagos.Hesaysburningoffthatstoredenergywouldproduceenoughpowerfor900,000carstogo12,000miles.

Losingweightishardwork,butmostpeoplewanttofindafastandeasywaytotakeofffat.Bookstoresselllotsofdietbooks.Thesebookstellreadershowtoloseweight.Eachyear,dozensofnewbookslikethesearewritten.Eachoneboaststohelppeopletogetridoffat.

11.WhichofthefollowingisNOTmentionedasawayoflosingweight?

A.Toeatlessfatsandsugars.B.Toworkhard.

12.ManyAmericansaretryingtoloseweightbecause.

A.theywanttolookattractiveB.theyaremisledbydoctors

C.theywanttokeepfitD.bothAandC

13.Thefiguresgiveninthesecondparagraphsuggestthat.

A.AmericansaredependentoncarsB.carsconsumealotofmoney

C.AmericansneedloseweightD.excessoffatcanbeasourceofenergy

14.Itcanbeinferredfromthelastparagraphthat.

A.dietbooksarenotalwayseffectiveB.dietbooksareusuallyhelpful

C.therearelotsofwaysoflosingweightD.bookstoresarekeepingtheirpromises

15.Itcanbeconcludedfromthepassagethat.

A.peoplethinktoomuchoftheirappearance

B.thereisnotasurewayoflosingweightasyet

C.surgeryisthefastestwayoflosingweight

D.goingondietisasafewayoflosingweight

下列哪项不应作会阴切开

估计失血量中称重法：失血量=【胎儿娩出后接血敷料湿重g-接血前敷料干重g】/()。