2013届高考英语二轮专题总复习精选综合能力专练:阅读理解18Afteryearsofresearchandtesting,thehybridcarwasdevelopedandputonthemarket
It’saninterestingandexcitingnewimprovementintoday’sworldaswelookforbetterwaystoprotectthequalityoftheairwebreatheandconserveournaturalresources
Thequalityofourairisaffectedbymanydifferentthings
Butoneofthelargestsourcesofairpollutionistheburningoffossilfuelssuchascoalandgasolinewhichisusedtopoweracar’sengine
TheEPAhassetnationalstandardstohelpcontrolthelevelofharmfulpollutantssentoffintotheair,andtheautomobileindustryhasactedbyproducingahybridcarthatuseslessgasandthereforecauseslesspollution
Ahybridcarisacombinationofaregularcarthatrunsongasolineandanelectriccarthatisbatterypowered
Somepeopletendtothinkthatsincethehybridcarispartiallyelectric,youhavetoplugitintochargeit
Butthat’snothowit