UNIT4INFORMATIONTECHNOLOGY語(yǔ)篇填空Intermsofsocialmediaintoday'sworld，youravatar，avirtualimage1.

（use）ontheInternet，isviewedasyouridentity.Eachavatarhasitsownfancyhairstyle，showingthecreativityandpersonalitiesofitsuser.Nowadays，thereareavarietyofavatars，including2Dimages.Manyusersevenhaveseveral2.

（type）ofavatarsforselection，andeachoneisconcernedwithaspecificoccasion.Obviously，theInternethas3.

amazingimpactonus.Itnotonlybringsgreatconveniencebutalsoenablesustodoagreatmanythingsfreely.Wecandownloadappsonoursmartphones，explorethevirtualworldandbuyallkindsofgoodsonline.Theotherday，I4.

（subscribe）tothelatestmobiledeviceandpowerfulsoftwarefromtheputerpany.Ontheorderweremyname，gender，locationandsoon.Whentheyconfirmedthemoneyhadbeensenttotheiraccount，theydeliveredthegoodsandothermaterialstome.Theyensuredthattherewerenoerrorswiththemobiledeviceand5.

thedevicewouldrunaslongasthebuttonwaspressed.However，someholdtheopinionsandarguethattheInternetisalsolimitingandhasabadeffect.Forexample，facetofacecontactinrealitycan'tbereplaced.Ithelpstomaintain6.

（reward）friendshipbecausewecanhugeachotherwhenevernecessary.Besides，highpercentofteenagersadmittheyareaddictedtotheInternetindeed.Asaresult，theycan'tfocus7.

theirstudiesandbeeselffocused.Contentofsomeblogisshallowandtrivial.Inaddition，spendingtoomuchtimeontheInternetdoesharmtoourhealth.Moreover，ourpersonal8.

（private）willbeletoutandwemaybetricked.SomeevenusetheInternettocheatinexams.Thesituationisalarmingandthoughtprovoking.Someauthoritiesremendthataseriesofpolicies9.

（establish）tohelpusmakethemostuseoftheInternet.10.

（brief）speaking，sensibleadviceisanecessity，butthekeyishowtofollowit.1.used2.types3.an4.subscribed5.that6.rewarding7.on8.privacy9.（should）beestablished10.BrieflyUNIT5HUMANSANDNATURE語(yǔ)篇填空Iattendedalectureabouthow1.

（survive）insevereclimates，floods，droughts，landslidesandevenscaryvolcaniceruptions.Italsoillustratesthatitishumans2.

haveoverusedtheearth'sresources，damagingtheenvironmentandcausingthedeathofmillionsofwildanimals.Iwasshockedtoseetherearefewerandfewerhabitatsforwildlifeonthecrowdedearth.Ifweturnourback3.

ecologicalprotection，largeamountsofsoilandjungleswillbedestroyedandweedswillgrowupeverywhere.Thegreenhouseeffectwillleadtoglobalwarming.Inrecentyears，naturaldisastersoccur4.

（frequent），causingpropertyloss，housedamageandevenhumandeaths，whichareimpossibletomeasure.Lastyear，mybrotherandIwereonthewaybackhomebytheseawhensuddenlywemetahorriblehurricane.Ahugewavecoveredtheshipandmybrotheralmostfellintothesea.Iwasfrightened.What'sworse，ourshipwentovertheedgeintoawhirlpoolandwe5.

（trap）andfloatedincircles.Wefelttherewasnoescapebutmadeacareful6.

（observe）ofthewhirlpool，attemptingtoescapeandsurvive.Severaldaysago，Ireadareport，sayingthatateamofexplorersweremakingpreparationsfortheirexplorationtothemostdistantcontinent—Antarctica.Theycollectedsledges，skis，tents，lampsandbootsforit.7.

（conduct）bythecaptain，theteamsetoutcheerfully.TheirambitionwastoreachtheSouthPoleaheadoftheotherteams.Becauseofthepoorpolarclimate，theyhaddifficulty8.

（breathe）andtheirsledgesbrokedownduringtheprocess.Theyhadtobattle9.

variedsufferings.Withnosheltersnearby，theywaitedanxiouslyattheirbaseuntiltheirfoodranout.Luckily，thelocalgovernmentsentarescueteam，includingsomedoctorstohaveimmediateoperationsontheinjuredinthevehicleonsite.Thementstatedthat10.

itprovedtheyfailed，theexplorersshowedhonesty，sincerityandbravery，whichleftadeepimpressiononme.1.tosurvive2.that3.on4.frequently5.weretrapped6.observation7.Conducted8.breathing9.with10.althoughUNIT6THEADMIRABLE語(yǔ)篇填空Theotherday，Ireadaboutadmirablepeopleindifferentcareers，whoareimpressive，intelligentandgenerousfiguresinhistoryandworthyofourrespect.I'mgoingtopick1.

threeandmakeafurtherintroductiontothem.ThefirstisTuYouyou，whoisthefirstChinesefemalescientist2.

（award）aNobelPrizeinrecognitionofherremarkablecontributiontomedicine.Aftergraduation，sheworkedatChinaAcademyofChineseMedicalSciences.In1969，shewaschosentoestablishateamtofindacureformalaria，adiseasespreadbymosquitoes.Atthattime，TuYouyou'steamhad3.

（limit）resourcesanddidn'thaveenoughstaff.ApartfromstudyingancientChinesemedicalliterature，sheresearchedChineseherbsandhundredsoftraditionalrecipes.Afteruncountablefailures，theyeventuallycameacrossapromisingchemical—artemisinin，4.

hasnowbeetheworld'smosteffectivedrugforfightingmalaria.Despitethefameshehasgained，TuYouyoudoesnotcareaboutbeingrenowned.AboutChineseandWesternmedicine，shebelieves，thereisgreatpotentialforfutureadvances5.

thesetwokindsofwisdomcanbefullyintegrated.ThesecondisNelsonMandela，borninasmallvillageinSouthAfrica.Whenhewasawarethathispeoplelivedunderracialdiscriminationbecauseoftheirblackskin，hedecidedtoprotestandfightforequalrightsandjusticeforallthepeopleinSouthAfrica.Heorganisedmarchestopromote6.

（equal），andindependenceforallhumanswhoshouldliveinapeacefulworld.Forhisoppositiontothesystem，Mandelawasarrestedandspent27yearsbehindbars.Hewasfreedin1990andbecamethepresidentofthecountryafterthefirstelectionwasheld.ThethirdisChristopherReeve，whowasbornin1952toanovelistfatherandajournalistmother.HehadapassioninactingatanearlyageandfinallywontheopportunitytostarinfourSupermanfilms.Unluckily，in1995，disaster7.

（strike）him.Afallfromhishorsecausedsevereinjuriestohisneck.Asaresult，hehadnomovementinhisbodyandcouldn'tevenbreathewithout