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文檔簡(jiǎn)介
Comprehension
Astory
Today,webeginwithastoryabouttwogoodfriends:CalebandCorrine.Theyhavealotin
common.Theylikethesamebooks,enjoythesamemovies
andplaythesamesports.
But,thefriendsarealsoquitedifferentinthewaythey
livetheirlives.Corrineisaplanner.Shealwayshas
aschedule.Andshelikestomakeslists.Sheisalwaysontimeandknowsexactlywheresheis
going.Calebisafreespirit.Helikesthingsunplannedandlikestoseewheretheroadtakeshim.
Infact,sometimeshedoesnotknowexactlywhereheisgoing.Oneday,thesetwofriendsdecided
togoshoppingtogether.Youmightfinditsurprisingthatsomethinglikeshoppingwouldtesttheir
friendship.Butitdid.ToCorrineshoppingisanunpleasanttask.So,shedoesitasquicklyas
possible.Shegoestostoresassoonastheyopen.Andshebuysonlywhatsheneeds.ToCaleb
shoppingisanadventure!Helikestolingerinfrontofstorewindows.Helooksattheobjectsfor
saleforalongtimewithoutevensteppinginsidethestore.Thisactivity,thatispopularwithsome,
iscalledwindowshopping.
l.But,thefriendsarealsointhewaytheylivetheirlives.
A.thesame
B.quitedifferent
C.different
D.love
2.Youmightfinditsuiprisingthatsomethinglikeshoppingwouldtest.
A.theirfriendship
B.homework
C.hardworking
D.costmoney
3.Helooksattheobjectsforsaleforwithoutevensteppinginsidethestore.
A.amoment
B.sometime
C.afewminutes
D.alongtime
B
FreeSpaceOpticalCommunications
AprojectbyGoogle'sparentcompanyAlphabethassuccessfullyusedlightbeamstosend
high-speedinternetsignalsacrosscommunitiesinIndiaandAfrica.Thelatestprojectisoneof
severalthataimstoprovideinternetservicestounderserved,
ruralareasaroundtheworld.
Alphabettaara項(xiàng)目的工人們正在安裝接收空氣中高速
數(shù)據(jù)信號(hào)的光束的設(shè)備。(照片編號(hào)/字母表/x)
Another,runbySpaceXchiefElonMusk,usesthousandsofsatellitestoprovide
internetaccessworldwide.SocialmediaserviceFacebookhasalsolookedatbringinghigh-speed
internettoruralcommunities.Oneofitspossiblesolulionsinvolvesaircraft-basedsystemsto
beaminternetsignalstotheground.Indevelopedcountries,high-speedinternetaccessisprovided
byfiber-opticcables.Infiber-opticsystems,lightsignalsarecarriedoverlongdistances
usingfiberscoveredbycables.Thesesystemsarehighlyeffective,buttheycanbeextremely
costlyandrequiremajordeploymentoperations.
Forthisreason,manypartsoftheworld-especiallyruralandunderdevelopedareas—are
notabletobuildandoperatefiber-opticnetworks.Theprocesscanalsobecostlyandcomplexin
somecityenvironmentsaswell.Thispreventsmillionsofpeopleacrosstheworldfromhaving
accesstotheinternetandallthatitoffers.ThenewsystembeingtestedinIndiaandAfricaoffersa
partialsolutiontothisproblem.ItwasdevelopedbyAlphabetsXdevelopmentteam,alsoknown
asthe“moonshotfactory.uLikefiber-optics,thesystemuseslighttocarryhigh-speedinternet
signals.Butthelighttravelsasbeamsthroughtheair,withouttheneedforfiberorcables.The
beamscantransmithigh-speeddatabetweentwopointswiththehelpofreceivingdevices
attachedtostructures.ThetechnologyiscalledFreeSpaceOpticalCommunications(FSOC).
4.Whatisthepassagemainlytalkabout?
A.Buildingoffiber-opticnetworks
B.Internetdeveloping
C.Thetechnologyofcountries
D.Light
5.Whatdidthewritermainlyconsiderofthesystem?
A..Thesesystemscanbeextremelycostlyandrequiremajordeploymentoperations.
B.Thesystemischeap
C.Thesystemiseffective
D.Thesystemgoeswell
6.Whodevelopthesystem?
A.AlphabetsYdevelopmentteam
B.Alphabet'sXdevelopmenlteam
C.Agriculturedevelopmentteam
D.ElonMusk
7.Whydopeoplelikethetechnology?
A.ThetechnologyiscalledFreeSpaceOpticalCommunications(FSOC).
B.Thispreventsmillionsofpeopleacrosstheworldfromhavingaccesstotheinternetand
allthatitoffers.
C.Infiber-opticsystems,lightsignalsarecarriedoverlongdistancesusingfiberscovered
bycables.
D.Thelatestprojectisoneofseveralthataimstoprovideinternetservicestounderserved,
ruralareasaroundtheworld.
c
Arichcity
Dubaiisarichcitythatrunsonlow-paidmigrantlaborfromAfricaandAsia.Workersin
Dubaihavefewprotections.Theydependonsponsorswhoguaranteetheirworkvisas.Karen
YoungiswiththeMiddleEastInstitute,aresearchgroupinWashington,D.C.Shesaidthevisa
sponsorsareusuallyresponsibleformistreatment.Shesaid,"That'swherepeoplefeelthey're
unabletochangejobsoreventocomplainaboutworkingconditions."OnDubai'sstreets,more
than12deliverydriverswhospoketotheAssociatedPresssaidtheyknewoftwoorthree
co-workerswhowerekilledeverymonth.Manysaidtheyhavebadmemoriesofseeingcoworkers
killed.Dubairecorded448deathsfromcaraccidentsin2019.Therearenotyetofficialnumbers
for2020.Butsafetyactivistssayatleast70deliveryriderswerehospitalizedlastyearinDubai,
including24whodied.Thestate-linkedEmiratinewspaperTheNationalreportedthat12delivery
riderswerekilledinApril.Apoliceofficialhassaid,"Whenmoneycomesintotheequation,
safetyisputaside."
0.CompanieslikeDeliveroo,basedinBritain,andTalabatuseothercompaniestoprovide
themwithdriversandvehicles.IndustryexpertssaydeliverydriversinDubaioftenlack
protectiveequipmentandsafetytraining.Thecompaniesprovide$27amonthforvehicleservices
andrepair.Dubai^RoadandTransportationAuthoritytoldTheAssociatedPressthatsafety
remainsmostimportantasitsupportsthedeliverymarket'sgrowth.Officialssaidtheyhaveissued
newruleslikereducinghowfardriverscanride.
8.Whatisthemainideaofthepassage?
A.TheworkconditionofDubai
B.ThepeopleofDubai
C.AwellcityaboutDubai
D.Anewspaper
9.Whatdotheworkexpectforthework?
A.highsalary
B.Apeaceworkplace
C.Agoodcompany
D.Shesaidthevisasponsorsareusuallyresponsibleformistreatment
10.Butsafetyactivistssaid,Howmuchdeliveryriderswerehospitalizedlastyearin
Dubai,including24whodiedatleast?
A.60
B.80
C.70
D.100
1l.Whataboutthepriceforvehicleservicesandrepair?
A.Thecompaniesprovide$27amonthforvehicleservicesandrepair
B.Thecompaniesprovide$7amonthfbrvehicleservicesandrepair
C.Thecompaniesprovide$7amonthfbrvehicleservicesandrepair
D.Whenmoneycomesintotheequation,safetyisputaside
D
FumiakiTakahashiisanengineeringprofessoratOhio'sCaseWesternReserveUniversity.
In2019,hepublishedareportabouttheeffectivenessofwrapsusedforwildfireprotection.He
saidthey'demonstratedbothremarkableperformanceandtechnicallimitations.u
Thewrappingismosteffectiveifawildfiremovesquicklybeyondthestructure,hesaid.It
islesseffectiveinareaswithmanyhouses.Thewraps"showpromiseinbeingeffective,'1hesaid.
Butadditionalresearchisneededtodevelopmoreeffectiveandlightweightversions,Takahashi
saidinanemailtoTheAssociatedPress.Hesaidhewouldnotsuggesttheproductsforuseby
everyonebecausewrappingcorrectlyisstillacomplexprocess.But,onceadependablewrapping
methodisinplace,hesaid,hewouldcallforwiderpublicuse.FirezatInc.sellsitsfirewraprolls
for$700each.Theyare1.5meterswideby61meterslong.Gettingastructurewrappedusually
coststhousandsofdollarsforlabor.
Himingsaidmostindividualbuyershehashadovertheyearsarelookingtoprotect,inhis
words,''reallyexpensivehomes."
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