Unit4Globalwarming單元加餐練Ⅰ.完形填空Iwasdoingayearofvoluntaryserviceabroadforpeoplewithlearningdisabilities.ItwassetinanEnglish__1__，quitedifferentfrommyhomeinSweden.Oneofmyfellow__2__，agirlfromTanzania,seemedabit__3__，soIaskedwhattheproblemwas.Shetoldmeshehada__4__backhomewhowasreally__5__withheruniversitystudies.Itseemedthat__6__difficultieswouldmakeitimpossibleforhertocompletehercourse.Sothisfriendof__7__haddonesomethingunbelievable:shehadsentallherpocketmoneyforthemonthtoTanzaniato__8__herfriend!Thismeantthatshedidn'thavemuchfoodtoeatandhadnomoneytogoanywhereoutsidethevillage.Iwasso__9__thatshedidthisforherfriendandIfeltIhadtodosomething.__10__，duringmynexttriptooneofthenearbytownsIwalkedintoashoptobuysomefoodforher.Istarted__11__tothewomanworkingintheshopand__12__toldheraboutmyfriend.Thewomanlookedatme，__13__.“Doessheeatpasta(意大利面)？”sheasked.“Yes，”Ireplied.Sheimmediately__14__loadingabagwithpasta,cookies,sweetsandotherthingsuntilthebagwasfull.“Givethistoherforme.It'smy__15__！”Icouldn'tbelieveitbutcriedwith__16__.Imaginemyfriend'sfacewhenI__17__thegiftsonmykitchentableand__18__herfromherroomtosee!Ihave__19__seenhersohappy!Shetoldmethatduetothegeneroushelp,shecoulddefinitely__20__themonth.俗話說：好心有好報。看到自己的摯友為了幫助他人而變得一貧如洗，作者義無反顧地伸出了救濟之手，沒有想到她的義舉卻帶來了更大的驚喜。1．A.university B．villageC．town D．city答案：B解析：依據其次段最終一句可知，她們是在一個鄉村做志愿者。2．A.teachers B．studentsC．volunteers D．workers答案：C解析：這里指志愿者中作者的一位摯友。3．A.excited B．angryC．desperate D．disappointed答案：C解析：依據下文可知作者的摯友把這個月全部的零用錢都寄給了家鄉的摯友，因此她現在有點無望。4．A.sister B．cousinC．relative D．friend答案：D解析：依據本段倒數其次句可知，這里指她家鄉的一個摯友。5．A.dealing B．helpingC．struggling D．improving答案：C解析：依據下文作者的摯友給自己家鄉上高校的摯友寄錢可知，她的摯友因經濟問題難以完成學業，故選擇struggling。6．A.academic B．culturalC．intellectual D．financial答案：D解析：financialdifficulties經濟困難。7．A.mine B．hersC．ours D．theirs答案：A解析：此題主要考查三個人之間的關系。依據上下文可知，作者的這位摯友向她自己在坦桑尼亞的摯友伸出了救濟之手。8．A.connect B．supportC．reward D．inform答案：B解析：摯友寄錢給她的摯友，用來支持她的學業。9．A.curious B．generousC．influenced D．touched答案：D解析：了解摯友的這一義舉之后，作者很受觸動。10．A.So B．InsteadC．However D．Otherwise答案：A解析：摯友的事跡感動了作者，因此才有了后文的故事。11．A.talking B．callingC．showing D．walking答案：A解析：作者是在和商店的工作人員談話，最終談到了摯友的事情。12．A.thankfully B．constantlyC．generously D．eventually答案：D解析：eventually最終。13．A.annoyed B．amazedC．confused D．embarrassed答案：B解析：商店的那名婦女聽了這事之后應當也感到很驚異。14．A.started B．continuedC．allowed D．stopped答案：A解析：依據下文的“untilthebagwasfull”可知，那名婦女了解到這一狀況后，立即起先往包里裝吃的東西。15．A.duty B．offerC．treat D．turn答案：C解析：店員因為作者摯友之事深受感動，所以包了一大包的食品，并且說It'smytreat(算我請客)。16．A.regret B．sorrowC．sympathy D．happiness答案：D解析：看到店員如此的慷慨，作者喜極而泣。17．A.ate B．arrangedC．consumed D．finished答案：B解析：依據下文可知，作者將這些食品放到廚房的桌上，并從摯友的屋子里把她請出來。18．A.fetched B．removedC．wished D．ordered答案：A解析：fetch取，拿，接來(某人)。19．A.always B．recentlyC．never D．frequently答案：C解析：好心人遇到好心人，因此作者的摯友從來沒有這么快樂過。20．A.goover B．getthroughC．makeup D．turnaround答案：B解析：有了這些幫助，摯友就能夠渡過難關。getthrough度過，熬過(困難時期等)。Ⅱ.閱讀理解Therisingprogresshasmadepositiveandnegativeimpactsontheplanet.AgingAgingisthecollectiveprocessthroughwhichanorganismundergoeslotsofchangesoverthecourseofitslifetime.Inhumans，agingbringswithitbodyandorganweaknessandmentaldecline.Scientistshaveresearchedsomeorganisms.However，theexactprocessremainsamystery.AgricultureTheever-growinghumanpopulationalongwiththerecentpopulationexplosionhascausedadramaticincreaseinthedemandforfoodcrops.Onewaycanbebyupgradingtheagriculturalpracticesoffarmers.Anotherwayistoresearchandproducenewervarietiesofthesefoodcrops.AntibioticResistanceWiththeappearanceofantimicrobial，numerousdiseaseshavebeenprevented.Infectionsthatwouldhaveprovenfatalafewdecadesagoarenowtakencareof.Butwithtoomuchuseofantimicrobialsolutions，theinfectiousorganismsevolveandadapttoovercomethesesubstances，asthestrengthandefficiencyoftheseantibioticsevolvesduetomedicalresearch.Aninfectioncausedbysuchanorganismisnotonlyuntreatable，butalsoprovestobefatal.CancerMetastasisCancer，ortumor，istheconditionofuncontrolledandabnormaldivisionofbodycells.Thesecellshavethepotentialtospreadtootherpartsofthebody，andspreadthecancer.Therearetwotypesoftumors—benignandmetastatic.Thebenigntumorcanbeeasilyremovedbysurgery.However，ifthecellsturnmetastatic，thatistheygaintheabilitytomovetootherpartsofthebodythroughthebloodstream，thetumorissaidtobemetastatic.Notonlyisthisconditionwithoutacure，buttheprocessbywhichitoccursisalsonotknownindetail.Researchhastobecarriedouttodeterminetheprocess.Researchonanyofthesetopicswillpromotetheunderstandingofbiologicalprocesses，andhelphumansinimprovingtheirqualityoflife.本文敘述了在生物學方面值得大力探討的四個方面。1．Researchhastobefocusedontheprocessof________.A．agricultureandantibioticresistanceB．agingandantibioticresistanceC．agricultureandcancermetastasisD．agingandcancermetastasis答案：D解析：細微環節理解題。依據Aging中的“However，theexactprocessremainsamystery”和CancerMetastasis中的“Researchhastobecarriedouttodeterminetheprocess”可知答案。2．Whatcontributestoantibioticresistanceaccordingtothetext?A．Progressinmedicalresearch.B．Developmentintreatmentequipment.C．Evolutionofthehumangenematerial.D．Effectspeoplehaveontheenvironment.答案：A解析：推理推斷題。依據AntibioticResistance中內容可知，由于醫療科學的發展，抗生素的運用更加有效，大量的運用之后，病毒不斷進化從而適應了抗生素。3．Intheauthor'sopinion，there'snothingtoworryaboutifthetumor________.A．iscontrolledinoneplaceB．appearsinthebodyofothersC．isseparatedfromblood D．movestootherpartsofthebody答案：A解析：推理推斷題。依據CancerMetastasis中的“Thebenigntumorcanbeeasilyremovedbysurgery”可知，腫瘤分為兩種，只有轉移的才是惡性的；良性的也就是不轉移的，是可以通過外科手術治愈的。4．Whatwouldbethebesttitleforthetext?A．AdvancementintheResearchinBiologyB．WaystoStudyVariousAspectsofBiologyC．TopicsforResearchintheFieldofBiologyD．MysteriesforResearchintheFieldofBiology答案：C解析：主旨大意題。通讀全文并依據最終一段可知答案。Ⅲ.應用文寫作假設你是校學生會的一員，為了愛護我們的地球家園，你發出了關于低碳生活的倡議，并制作了下面的海報。請依據海報內容及以下要點寫一份80詞左右的倡議書。1．低碳生活在節約資源、愛護環境方面起著越來越重要的作用；2．我們可以培育這些低碳生活的習慣；3．發出倡議。Dearfriends，Doyouwanttoliveinabeautifulworld?So_it_is_ourresponsibility_to_have_a_low-carbon_lifestyle._To_fulfill_it,_we_should_bear_the_following_habits_in_mind._First,_it's_important_to_turn_off_taps_and_lights_and_recycle_everything_recyclable_in_our_daily_life._What's_more,_while_sticking_to_the_habit_of_setting_the_temperature_of_your_air_conditioner_at_above_26℃_in_summer_and_eating_fruit_and_vegetables_in_season,_we_should_also_climb_stairs_under_the_fifth_floor_instead_of_taking_lifts._Let's_all_take_action_now_and_contribute_to_the_prosperity_of_our_mother—the_earth.Thankyou!Ⅳ.讀后續寫閱讀下面短文，依據所給情節進行續寫，使之構成一個完整的故事。Iamamotherofthree(ages14,12,3)andhaverecentlycompletedmycollegedegree.ThelastclassIhadtotakewasSociology.TheteacherwasabsolutelyinspiringwiththequalitiesthatIwisheveryhumanbeinghadbeengracedwith.Herlastprojectofthetermwascalled“Smile”.Theclasswasaskedtogooutandsmileatthreepeopleanddocumenttheirreactions.Iamaveryfriendlypersonandalwayssmileateveryoneandsayhellotoanyone,so,Ithoughtthiswouldbeapieceofcakenaturally.Soonafterweweregiventheproject,myhusband,myyoungestson,andIwentouttoMcDonald'soneMarchmorning.Wewerestandinginline,waitingtobeserved,whenallofasuddeneveryonearoundusbegantobackaway，andthenevenmyhusbanddid.Ididnotmoveaninch...anoverwhelmingfeelingofpanicgrewinsideofmeasIturnedtoseewhyothershadmoved.AsIturnedaroundIsmelledahorrible“dirtybody”smell,andtherestandingbehindmeweretwopoorhomelessmen.AsIlookeddownattheshortgentleman,closetome,hewas“smiling”．HisbeautifulskyblueeyeswerefullofGod'slightashesearchedforacceptance.Hesaid,“Goodday”ashecountedthefewcoinshehadbeencollecting.Thesecondmanfumbled(笨拙地做)withhishandsashestoodbehindhisfriend.Irealizedthesecondmanwasmentallychallengedandtheblue-eyedgentlemanwashissalvation(救星)．IheldmytearsasIstoodtherewiththem.Theyoungladyatthecounteraskedhimwhattheywanted.Hesaid,“Coffeeisall,Miss，”becausethatwasalltheycouldafford.ThenIreallyfeltit—thecompulsionwassogreatIalmostreachedoutandembracedthelittlemanwiththeblueeyes.ThatiswhenInoticedalleyesintherestaurantwerefixedonme,judgingmyeveryaction.Ismiledandaskedtheyoungladybehindthe