版一轮优化探究英语北师大版练习必修一 Unit 3 Celebration Word版含答案Word下载.docx
《版一轮优化探究英语北师大版练习必修一 Unit 3 Celebration Word版含答案Word下载.docx》由会员分享，可在线阅读，更多相关《版一轮优化探究英语北师大版练习必修一 Unit 3 Celebration Word版含答案Word下载.docx（15页珍藏版）》请在冰豆网上搜索。
theFlyEase.Thebasketballshoecanbefastenedwithonehand.ApairofNikeFlyEaseshoessellsfor$130.
AnAirportforDrones（无人机）
AsAmazon，Google，andothersgetreadyfordronedeliveryservice，thereisonebigquestion:
Whatkindsofhomebaseswilltheirdroneshave?
Rwanda，inAfrica，mayhavetheanswer.There，workerswillsoonstartworkonthree“droneports.”Thegoalistomakeiteasiertotransportfood，medicalsupplies，electronics，andothergoodsthroughthehillycountryside.Constructionissettobecompletedin2020.
[语篇解读] 本文是一篇应用文。
文章介绍几项最新的发明。
1．What'
stheadvantageoftheOceansVacuum?
A．Itcanbeamoney saver.
B．Itcangrowyearbyyear.
C．Itcantearplasticintopieces.
D．Itcanbeputintowideusesoon.
解析：
细节理解题。
第一段中说到传统用网打捞塑料的方法既费钱又慢，由此可知，借助自然的力量打捞塑料的方法要快捷省钱。
答案：
2．WhatdoweknowaboutNike?
A．Itoffersfreeshoestothedisabled.
B．Itisdesigningnewshoesfrequently.
C．Itprovidescustomer friendlyservices.
D．ItrespondedtoMatthew'
srequestpassively.
推理判断题。
MatthewWalzer身患残疾，系鞋带不方便，给耐克公司寄去信件后，耐克公司积极回应并设计出了一款可以单手系的鞋带，由此可以推断耐克公司以客户需求为中心。
C
3．WhyisRwandasettingup“droneports”？
A．Becauseroadtravelthereisrough.
B．Becausetherearetoomanydrones.
C．Becausethey'
reeasiertoconstructthanroads.
D．Becausetheyarereceptivetonewtechnology.
由最后一段中的Thegoalistomakeiteasiertotransportfood，medicalsupplies，electronics，andothergoodsthroughthehillycountryside可知，因为陆路运输不便，卢旺达决定建无人机机场。
B
Manyofthe285millionpeoplewhohavevisionproblemsliveinlow incomecountries，accordingtotheWorldHealthOrganization.TheWHOsaysmostpeoplewithvisionproblemscouldbehelpedorcured.
Thenon profitorganizationOrbishasaplanethatisalsoaneyeclinic.Theplaneallowsmedicalworkerstoperformoperationsaroundtheworld.Orbishastheworld'
sonlyflyingeyehospital.ThisJune，itintroduceditslatestmodel，anMD 10airplanedonatedbytheFedExcompany.Itisthethirdversionoftheflyingeyehospital.
DanNeelyisavolunteerdoctorforOrbis.HehastraveledtoJamaicaandAfricaonthenewplane.Hesaysthisplanehasallthenewesttechnology.Somefacilitiesonthegrounddonot.“YoucanbeinZambiaandthepowergoesoutinthemiddleofthesurgery，”Neelysaid.
BobRanck，CEOofOrbis，isaretiredU．S.AirForcebrigadiergeneral.Ranckexplainedthatthenewplanealsoincludesaclassroom.Orbisusestheroomtotraindoctorsandnursesinthecountrieswhereitlands.HesaidOrbisteacheslocalhealthcareproviderstomakeitapriority（优先考虑的事情）toreducecasesofblindness.
GaryDysonisapilotwhousuallyfliescargo（货物）planesforFedEx.ButhevolunteersflyingtimeforOrbis.“Whenyouseeachildwhocan'
tseeonMondayandtheycanseeonWednesday，you'
rehooked，”Dysonsaid.
Thechangeinapatient'
slifeaftersurgerycanbedramatic，saidRosalindStevens，avolunteerdoctorfromtheGeiselSchoolofMedicineatDartmouthCollege.“Whenweremovethepatch（眼罩），thepatientbreaksintoabigsmile，”shesaid.
ThenewestversionoftheflyinghospitalwillmakeflightstoafewcitiesintheUnitedStates.ThenitwillprovideamedicalprograminChinainSeptember.OrbisalsooperatesprogramsinCameroon，Ethiopia，Ghana，China，Vietnam，India，Bangladesh，IndonesiaandLatinAmerica.
[语篇解读] 本文是一篇记叙文。
奥比斯飞行眼科医院为世界各地患有眼疾的病人提供医疗服务。
4．WhatisOrbis?
A．ItisabranchoftheWHO.
B．Itisaprofitablehospital.
C．Itisthenameofaplane.
D．Itisacharitablebody.
由第二段首句中的Thenon profitorganizationOrbis可知，这是一个慈善团体。
D
5．Whatdoweknowabouttheflyingeyehospital?
A．ItisfullyfundedbyFedEx.
B．Itonlygoesintolocalbusiness.
C．Itsthreeplanesareallinoperation.
D．Itsplanehasbeenconstantlyupdated.
由第二段中的ThisJune，itintroduceditslatestmodel，anMD 10airplanedonatedbytheFedExcompany.Itisthethirdversionoftheflyingeyehospital可知，这家飞行医院的飞机在不断更新。
6．WhatdoesNeelythinkofthefacilitiesontheground?
A．Theyareundependable.
B．Theyarebeingmisused.
C．Theycanbeimprovedsoon.
D．TheyareprovidedbytheWHO.
由第三段中的Somefacilitiesonthegrounddonot.“YoucanbeinZambiaandthepowergoesoutinthemiddleofthesurgery，”Neelysaid可知，地面有些医院的设施不可靠。
7．Forwhatpurposeisaclassroomsetuponthenewplane?
A．Recreational. B．Educational.
C．Commercial.D．Administrative.
由第四段中的Orbisusestheroomtotraindoctorsandnursesinthecountrieswhereitlands可知，Orbis出于教育目的在飞机上设立了教室。
PatientsintheearlystagesofAlzheimer'
sdiseaseoftenstruggletorememberrecentlylearnedinformation，meaningtheyforgetthingslikeimportantappointmentsorwheretheylefttheirkeys.Butitseemsthatthesememoriesarenotlost.Theyarestillfiledawayinthebrainsomewhere;
theyjustcan'
tbeeasilyaccessed.
Now，researchersatMIThavedevelopedameansofgettingbackmemoriesinmicesufferingfromAlzheimer'
s.Themethodreliesonatechniquethatuseslighttocontrolgeneticallymodifiedneurons（转基因神经元）．Currentlyitistooearlytobeusedinhumantrialsasitinvolvesinsertinglightemitting（发光）equipmentintothesubjects'
brains，butthesameprinciplesstillapply，theresearcherssaid.
“Theimportantpointisthatthisisevidenceoftheconcept.Thatis，evenifamemoryseemstobegone，itisstillthere.It'
samatterofhowtogetitback，”saidtheseniorresearcherSusumuTonegawa.
Theteamtooktwogroupsofmice，onegeneticallyengineeredtodevelopAlzheimer'
sandonehealthy.Theythenplacedthemintoaroomandgavethemamildelectricshock.Allofthemiceshowedfearwhenputbackinanhourlater.Whenplacedintheroomathirdtimeseveraldayslater，theAlzheimer'
smiceactednormally.Theyhadforgottentheshock.
Theresearcherswerethenabletobringbackthememoryoftheshockbyactivating（激活）thecellsinwhichthememorieswerestored.Evenwhenthemicewereputintoanunfamiliarroom，theyshowedfearwhenthecellsassociatedwiththeshockwereactivated.
“Short termmemoriesseemtobenormal，ontheorderofhours.Butforlong termmemories，theseearly Alzheimer'
smiceseemtobedamaged，”saidtheleadresearcherDheerajRoy.“Directlyactivatingthecellsthatwebelieveareholdingthememoryhelpsthemgetitback.Thissuggeststhatitisindeedanaccessproblemtotheinformation，notthattheyareunabletolearnorstorethismemory.”
[语篇解读] 本文主要介绍了利用光控制转基因神经元使早期老性痴呆病患者恢复记忆的技术。
8．WhatcanwelearnabouttheresearchersatMIT?
A．Theyarethepioneersofbrainresearch.
B．Theyhaveusedthemethodinhumantrials.
C．TheycancureAlzheimer'
susingthenewmethod.
D．TheycangetbackmemoriesinmicewithAlzheimer'
s.
根据第二段的第一句“Now，researchersatMIThavedevelopedameansofgettingbackmemoriesinmicesufferingfromAlzheimer'
s”可知，他们能够使患有早期老性痴呆病的老鼠恢复记忆。
9．WhydidtheAlzheimer'
smicebehavenormallyforthethirdtime?
A．Theyfailedtoremembertheelectricshock.
B．Theywereaccustomedtothesituation.
C．Theymanagedtoovercomethefear.
D．Theyactivatedtheassociationautomatically.
根据第四段的“theAlzheimer'
smiceactednormally.Theyhadforgottentheshock”可知，这些老鼠忘记了受到的电击。
10．Forlong termmemories，theearly Alzheimer'
smice________.
A．cantransformtheirbraincells
B．can'
tlearnnewtrickswell
C．caneasilygetbacktheirmemories
D．can'
taccesstheinformationstored
根据最后一段的“Butforlong termmemories,theseearly Alzheimer'
smiceseemtobedamaged”和“Directlyactivating...thismemory”可知，对于长期记忆来说，这些处于早期老性痴呆病早期的老鼠因为（脑细胞）已经被损害，不能使用这种已经储存的信息。
11．Themainpurposeofthetextisto________.
A．introduceamethodofaresearch
B．reportthelatestdiscoveryaboutadisease
C．giveadviceonhowtoimprovememories
D．explainhowabrainstoresinformation
写作意图题。
通读全文可知，本文的主要目的是报道关于早期老性痴呆病的最新发现。
IworkwithVolunteersforWildlife,arescueandeducationorganizationatBaileyArboretuminLocustValley.Tryingtohelpinjured,displacedorsickcreaturescanbeheartbreaking；
survivalisnevercertain.However,whenitworks，itissimplybeautiful.
IgotarescuecallfromawomaninMuttontown.Shehadfoundayoungowl（猫头鹰）ontheground.WhenIarrived，Isawa2 to3 week oldowl.Ithadalreadybeenplacedinacarrierforsafety.
Iexaminedthechick（雏鸟）anditseemedfine.IfIcouldlocatethenest，Imighthavebeenabletoputitback，butnoluck.Mynextworkwastoconstructanestandanchoritinatree.
Thehomeownerwasveryhelpful.Awirebasketwasfound.Iputsomepinebranchesintothebaskettomakethisnestsafeandcomfortable.Iplacedthechickinthenest,anditquicklycalmeddown.
Nowallthatwasneededweretheparents,buttheywereabsent.Igavethehomeownerarecordingofthehungerscreamsofowlchicks.Theseadvertisethepresenceofchickstoadults;
theymightalsoencourageourchicktostartcallingaswell.Igavetheownerasmuchinformationaspossibleandheadedhom
升级会员 