高一年級英語作文：Please protect our environment900字
2017-06-30
Computersstartedtobecomepopularwithbigcompaniesinthe1960s.ComputerYou’veprobablyknownaboutcomputersyourwholelife.Butcomputershavenotreallybeenaroundforverylong.Computersstartedtobecomepopularwit...