安徽五河县2017高考英语阅读理解九月选练阅读下列四篇短文,从每小题后所给的A,B,C或D四个选项中,选出最佳选项
AccordingtotheUSgovernment,windfarmsoffthePacificcoastcouldproduce900gigawattsofelectricityeveryyear
Unfortunately,thewaterthereisfartoodeepforeventhetallestwindmills(seepicture)totouchbottom
AnexperimentunderwayoffthecoastofNorway,however,couldhelpputthemanywhere
Theproject,calledHywind,istheworld’sfirstlarge-scaledeepwaterwindturbine(涡轮发电机)
Althoughitusesafairlystandard152-ton,2
3-megawattturbine,Hywindrepresentstotallynewtechnology
Theturbinewillbefixed213feetabovethewateronafloatingspar(seepicture),atechnologyHywind’screator,theNorwegiancompanyStatoilHydro,hasdevelopedrecently
Thesteelspar,whichisfilledwithstonesandgoes328feetbelowtheseasurface,willbetiedtotheoceanfloorbythreecables(缆索);thesewillkeepthesparstableandpreventthetur