Whileintegrasedeletesanimmunecell'sgeneticmaterialandreplacesitwithitsown,itactslike________inawordprocessor.

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a cut and paste operation

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Part IV Translation

By making vehicles lighter in weight aluminum has greatly reduced the amount of fuel needed to move them, (Passage Two)

PartIVTranslation

Asthesourceofaluminumisalmostinexhaustible,wecanexpectthatmoreandmoreuseswillbefoundforthisversatilemetal.(PassageTwo)

Passage4

Questions16to20arebasedonthefollowingpassage:

Cultureshockisanoccupationaldisease(职业病)forpeoplewhohavebeensuddenlytransplantedabroad.

Cultureshockiscausedbytheanxietythatresultsfromlosingallfamiliarsignsandsymbolsofsocialintercourse.Thosesignsareasfollowing:whentoshakehandsandwhattosaywhenmeetpeople,whenandhowtogivetips,howtomakepurchases,whentoacceptandrefuseinvitations,whentotakestatementsseriouslyandwhennot.Thesesigns,whichmaybewords,gestures,facialexpressions,orcustoms,areacquiredbyallofusinthecourseofgrowingupandasmuchapartofourcultureasthelanguagewespeakorthebeliefsweaccept.Allofusdependonhundredsofthesesignsforourpeaceofmindandday-to-dayefficiency,butwedonotcarrymostatthelevelofconsciousawareness.

Nowwhenanindividualentersastrangeculture,allormostofthesefamiliarsignsareremoved.Nomatterhowbroadmindedorfullofgoodwillyoumaybeaseriesofsupportshavebeenknockedfromunderyou,followedbyafeelingoffrustration.Whensufferingfromcultureshockpeoplefirstrejecttheenvironmentwhichcauseddiscomfort.Thewaysofthehostcountryarebadbecausetheymakeusfeelbad.Whenforeignersinastrangelandgettogetherincomplainaboutthehostcountryitspeople,youcanbesurethattheyaresufferingfromcultureshock.

16.Accordingtothepassage,cultureshockis.

A.anoccupationaldiseaseofforeignpeopleB.mayleadtoveryserioussymptoms

C.actuallynotadiseaseD.incurable

17.Accordingtothepassage,cultureshockresultfrom.

A.thesuddenchangeofsocialatmosphereandcustoms

B.thesuddenchangeofourdailyhabits

C.thesuddenlossofourownsignsandsymbols

D.thediscomfortthatwefeelwhenfacedwithaforeigner

18.Whichoneofthefollowingmaynotbeasymptomofcultureshock?

A.Youdon’tknowhowtoexpressyourgratitude.

B.Youdon’tknowhowtogreetotherpeople.

C.Yousuddenlyforgetwhatawordmeans.

D.Youdon’tunderstandwhyaforeignershrugs.

19.Accordingtothepassage,howwouldapersonwhostaysabroadmostprobablyreactwhenheisfrustratedbythecultureshock?

A.Heismostlikelytorefusetoabsorbthestrangeenvironmentatfirst.

B.Heisreallytoacceptthechangeandadapthimselftothenewenvironment.

C.Althoughhetakestheculturedifferenceforgranted,hestilldoesn’tknowhowtodowithit.

D.Hemaybegintohatethepeopleorthingsaroundhim.

20.Themainideaofthispassageisthat.

A.cultureshockisanoccupationaldisease

B.cultureshockiscausedbytheanxietyoflivinginastrangeculture

C.cultureshockhaspeculiarsymptoms

D.itisveryhardtocopewithlifeinanewsetting

Withoutregularsuppliesofsomehormonesourcapacitytobehavewouldbeseriouslyimpaired;withoutotherswewouldsoondie.Tinyamountsofsomehormonescanmodifymoodsandactions,ourinclinationtoeatordrink,ouraggressivenessorsubmissiveness,andourreproductiveandparentalbehavior.Andhormonesdomorethaninfluenceadultbehavior;earlyinlifetheyhelptodeterminethedevelopmentofbodilyformandmayevendetermineanindividual’sbehavioralcapacities.Laterinlifethechangingoutputsofsomeendocrineglandsandthebody’schangingsensitivitytosomehormonesareessentialaspectsofthephenomenaofaging.

Communicationwithinthebodyandtheconsequentintegrationofbehaviorwereconsideredtheexclusiveprovinceofthenervoussystemuptothebeginningofthepresentcentury.TheemergenceofendocrinologyasaseparatedisciplinecanprobablybetracedtotheexperimentsofBaylissandStarlingonthehormonesecretion.Thissubstanceissecretedfromcellsintheintestinalwallswhenfoodentersthestomach;ittravelsthroughthebloodstreamandstimulatesthepancreastoliberatepancreaticjuice,whichaidsindigestion.Byshowingthatspecialcellssecretchemicalagentsthatareconveyedbythebloodstreamandregulatedistanttargetorgansortissues.Baylissandstarlingdemonstratedthatchemicalintegrationcouldoccurwithoutparticipationofthenervoussystem.

Theterm“hormone”wasfirstusedwithreferencetosecretion.StarlingderivedthetermfromtheGreekhormone,meaning“toexciteorsetinmotion.Theterm“endocrine”wasintroducedshortlythereafter“Endocrine”isusedtorefertoglandsthatsecretproductsintothebloodstream.Theterm“endocrine”contrastswith“exocrine”,whichisappliedtoglandsthatsecrettheirproductsthoughductstothesiteofaction.Examplesofexocrineglandsarethetearglands,thesweatglands,andthepancreas,whichsecretspancreaticjuicethroughaductintotheintestine.Exocrineglandsarealsocalledductglands,whileendocrineglandsarecalledductless.

1.Whatistheauthor’smainpurposeinthepassage?

A.Toexplainthespecificfunctionsofvarioushormones.

B.Toprovidegeneralinformationabouthormones.

C.Toexplainhowtheterm“hormone”evolved.

D.Toreportonexperimentsinendocrinology.

2.Thepassagesupportswhichofthefollowingconclusions?

A.Thehumanbodyrequireslargeamountsofmosthormones.

B.Synthetichormonescanreplaceaperson’snaturalsupplyofhormonesifnecessary.

C.Thequantityofhormonesproducedandtheireffectsonthebodyarerelatedtoaperson’sage.

D.Theshortchildoftallparentsverylikelyhadahormonedeficiencyearlyinlife.

3.ItcanbeinferredfromthepassagethatbeforetheBaylissandStarlingexperiments,mostpeoplebelievedthatchemicalintegrationoccurredonly___.

A.duringsleep.

B.intheendocrineglands.

C.undercontrolofthenervoussystem.

D.duringstrenuousexercise.

4.Theword“liberate”couldbestbereplacedbywhichofthefollowing?

A.EmancipateB.DischargeC.SurrenderD.Save

5.Accordingtothepassageanothertermforexocrineglandsis___.

A.ductglands

B.endocrineglands

C.ductlessglands

D.intestinalglands.

翻译:

Culture shock is caused by the anxiety that results from losing all familiar signs and symbols of social intercourse. (Passage Four)

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