TheInternet，mobilephonesandIpadsarepartofourlivesnow．Technologyisgreatlyaffectingallwaysofourlives，fromthewaysweworktothewaysweplay．Anditevencausesanumberofsocialproblemssuchascloninghumans．
Wehavehadlotsoftechnologyandithaschangedourlivesalot．Thereisnodoubtthathumanswillcontinuetousemoreandmoretechnology．Herearesomeexamplesofmoderntechnologythatwllchangeourideasandwillaffectourlivesgreatly．
Globalpositioningsystem （GPS） （全球定位系统）
It'sasystemthatusesradiosignalsfromsatellitestoshowexact （精确地） information．Ittellsyouwheretheuserisontheearthinallweatherconditions．It'smadeupofthreeparts：satellites，controlequipments （设备） onlandandreceivers．
SpaceTechnology
RussianandAmericanscientistshaveworkedtogetherfortheinternationalSpaceStation （ISS） foralongtime．TheyhopetheISSwillprovidealong-lastinglab．Suchalabwillbringhumanslimitless （无限的） advantages．It'sevenhopedthatonedayspacetechnologywilltakehumanstotheirnewhousesinspace．
UnderwaterRobot
Herculesisakindofunderwaterrobotwithsomehightechnologyequipments．Itwillbeusedtosearchforancientshipswhichweredestroyedintothedeepseaduringtheirjourneylongago．
Theworldischangingsoquicklythatit'shardforustocatchupwithallthenewinventionsbecausetheyseemtocomeouteverymonth．It'simportantforustolearnaboutnewtechnologyandtherolethatitplaysinourlives．Soweshouldbewillingtoacceptmoderntechnology，orwewillfallbehindthetimes．
46．___cantellyouwheretheuserisontheearthexactly．
A．Satellites B．Receivers
C．GlobalPositioningSystem D．UnderwaterRobot
47．Accordingtothepassage，whichisNOTtrueabouttheISS？___
A．Ithascarriedpeopletootherplanets．
B．Itwillprovidealong-lastinglabforus
C．RussianandAmericanareworkingforit．
D．Humanswillgetalotofadvantagesfromit
48．Herculesisusedto___．
A．savelivesinthesea B．takepictureinthesea
C．repairthebrokenships
