Asweallknow,theMoonisthemoon(卫星)ofEarth,anditgoesaround...
问题详情：Asweallknow,theMoonisthemoon(卫星)ofEarth,anditgoesaroundtheearth.Scientistshavealreadyknownalotaboutit,(A)butthey’vealwayswantedtoknowmoreaboutit.AndtheydecidedtosendmentotheMoon.Theythinkit...