三级班听力答案38单元1文档格式.docx

三级班听力答案38单元1文档格式.docx

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注意：

考虑到大家的进度【其实还是本人比较懒】，从UNIT3开始。

主要包含我认为比较难且重要的部分。

因为不能全部复制，选择题是手动打上去的。

与答案有出入的话还请见谅。

期末加油呀

UNIT3

Unittest

ACACB

BBDAC

CBDDD

InthetownwhereIgrewup,thereweretwocreeksrunningthroughit.Inthe1）winter,I'

dtrapmuskrats,andwealsoskatedalot.RockyForkCreekranagreatdistance,andwe'

d2）literallyskateformiles.BigWalnutCreekontheotherhandwaswheremorefolksfromthe3）communitycametoskatesocially.Itwasamuch4）widercreek.We'

dhavebonfiresthereandhadsomegreathockeygames,too.

Myfriend,Zeke,had65）siblingsandeverykidinthefamilyhadtheirownhorse,sowe'

dgotoZeke'

sandridethroughthe6）woodsandmeadows.Zekewouldpullusonsledsusinghisdad'

stractor.Inthesummer,we'

d7）explorethecreeks,andI'

dbe8）catchingsnakesandfrogs,andfishing.

InthesummermyfamilyandItraveledtoButler,PAtovisitmygrandparents.Wewouldplaygolforatnightweallplayedcards.GrandpawouldtakemefishingandheandI9）wouldrunerrandsallaroundtowninhisredoldcar.OnFridaynightsheandIwatchedtheGilletteFights.

MyfamilyandIalsospenttwoweekseachsummeratConneautLakePark.Therewasahugethree-storyhotelwhosegroundswerereallybeautiful.Theparkalsohadasmall10）golfcourse,andamidway,andIrecallwecouldridealltheridesintheamusementparkforonly$2onWednesdays.I'

dgetupandgofishinginanearbycanalbeforetherestofthefamilyawoke.

UNIT4

Conversations

DBCAD

BCDB

Passages

BCAD

Scientificresearchshouldimproveouroverallqualityoflife.Thegovernmentshouldprovidefinancialandpoliticalsupporttoanyresearchthatislikelytoresultinimmediateandsignificantbenefitsforthepeople.However,people'

sideas1）varywhenitcomestowhetherthegovernmentshouldsupportscientificresearchwithnopracticaluse.Still2）alargeportionofpeoplebelievethatthegovernmentshoulddistributeadequatefundstoanyscientificresearchthataimstoimprovethe3）well-beingofpeople,evenifitisofnopracticaluseintheshortrun.

Scientificresearchwhosesocialbenefitsareimmediate,predictable,and4）profoundshouldcontinuetobeahighpriority.Forexample,biotechnologyresearchhasbeenproventohelpcureandpreventdiseases;

informationtechnologyenableseducationtobemore5）accessible;

andcommunicationtechnologyfacilitatesglobalpeacebyimprovingmutualunderstandingamongpeopleandtheirparticipationinthedemocraticprocess.

However,thisisnottosaythatresearchwhosebenefitsarelessimmediateorclearshouldbegivenalowerpriority.Itisdifficulttopredictwhichresearchwill6）ultimatelyleadtothegreatestcontributionstosociety.Reluctancetofinancelesspracticalscientificresearchcould7）haveaharmfuleffectontheeffortstoexplorenewknowledge.Thisisparticularlytrueofthecomputersciences.Forinstance,beforethefirstcomputerwasinvented,publicopinions8）wentagainstit,asmostpeoplesawnothingpracticalincomputerresearch.However,computerstransformedthewayhumansocietyevolvedandprovedtobeofgreatavailinthelongrun,especiallyintermsofscientificdevelopmentinfieldssuchasthemilitary,medicine,9）aviation,andeducation.

Therefore,nevershouldwethinkthatscientificresearchwhosebenefitsareunknown10）isnotworthpursuingsincethepurposeofanyresearchshouldbetodiscovertruths,whateveritmightbe.

Unittest

BCACD

CCDAD

DABAA

Thismightbeanimportantscientificbreakthrough.Ascientistsetouttoimprovetheproductivity（生产力）offarmanimalsandalongthewaysetoffa1）biologicalearthquake.Theexperimenthe2）firmlypursued（从事）involvedworkwithacellfromanadultmammal.His3）effortsweretomakeacellbehavelikeacellfromadevelopingembryo（胚胎）.Anditwassuccessful.HeandhiscoworkersclonedasheepcalledDollyandintroducedhertoaskepticalworldinFebruary1997.

Perhapsitwashis4）isolationinaquietruralpartofScotlandthatpermittedhimtoresistthe5）objectors.Orperhapsitwastheisolationoftheremotefieldoffarmanimalsthatgavehimthe6）originality.However,heseemedassurprisedasanyoneelsethathis7）modestandsimpleexperimentshouldhaveagreatimpactonoursenseofwhatitistobehuman.Hewantedtousehiscloningtechnologyto8）improvethehealth,thequality,andtheproductivityoffarmanimals.Anyexperimentwithhumans,hebelieved,shouldalwaysbekeptstrictlyattheverylowlevelofcellsandproteins.Itwouldbe9）morallyunacceptable,hesaid,tousehistechniquetocreateahumanclone.Ofcourse,thisachievementwouldbringfear,debateandnew10）legislationincountriesaroundtheworld.Inaword,Dollythesheephaschangedtheworld.

UNIT5

Listening