Manhasinventedfourki的精選

問題詳情：Manhasinventedfourkindsofsatellites.Thefirstkindofsatellitestudiesthe  1  oftheearth.Theyareusedtomakemaps.Theyalsohelpcountriestoseewheretheymay  2 oilorgold.Thesecondkindofsatelliteis...