科普知识与现代科技一、阅读理解Youcan'talwayspredictaheavyrainorrememberyourumbrella.ButdesignerMikhailBelyaevdoesn'tthinkthatforgettingtochecktheweatherforecastbeforeheadingoutshouldresultinyougettingwet.That'swhyhecreatedampbrella,alamppostwithitsownrainsensingumbrella.ThedesignersayshecameupwiththeideaafterwatchingpeoplegetwetonstreetsinRussia.“Once,IwasdrivingonacentralSaintPetersburgstreetandsawthestreetlampslightinguppeopletryingtohidefromtherain.Ithoughtitwouldbeappropriatetohaveacanopy 伞蓬）builtintoastreetlamp,"hesaid.Theampbrellaisastandardlookingstreetlampfittedwithanumbrellacanopy.IthasabuiltinelectriemotorwhichcanopenorclosetheumbrellaondemandSensors 传感器）thenensurethattheumbrellaofferspedestriansshelterwheneveritstartsraining.Inadditiontotherainsensor,there'salsoa360°motionsensoronthefiberglassstreetlampwhichdetectswhetheranyoneisusingtheampbrella.Afterthreeminutesofnotbeingusedthecanopyisclosed.Accordingtothedesigner,theampbrellawouldmoveatarelativelylowspeed,soasnottocauseharmtothepedestrians.Besides,itwouldbegroundedtoprotectfrompossiblelightningstrike.achampbrellawouldofferenoughshelterforseveralpeople.Beinginstalled 安装）atmetresofftheground,itwouldonlybeadangerforthetallestofpedestrians.hiletherearenoplanstotaketheampbrellaintoproduction,BelyaevsaysherecentlyintroducedhiscreationtooneMoscowDepartment,andinsistshiscreationcouldbeinstalledonanystreetwherealotofpeoplewalkbuttherearenocanopiestoprovideshelter..orwhatpurposedidBelyaevcreatetheampbrellaA. Topredictaheavyrain.B. Tochecktheweatherforecast.C. Toprotectpeoplefromtherain.D. Toremindpeopletotakeanumbrella..hatdoweknowfromBelyaevswordsinParagraphA.iscreationwasinspiredbyaneperience.B. ItrainsalotinthecityofSaintPetersburg.C. Streetlampsareprotectedbycanopies.D.eenoyedtakingwalksintherain.3.hichofthefollowingshowshowtheampbrellaworksA. motorfcanopy—sensorsB. sensors—motor—canopyC. motorfsensors—canopyD. canopy—motors—sensors.hatdoesParagraphmainlytellusabouttheampbr...
