During the flight to the Moon, Change I Satellite adjusts her direction so that she can go into her programmed orbit and then circle around it at the most appropriate angle（角度）.
A．eventually B．gradually C．constantly D．continuously
During the flight to the Moon, Change I Satellite adjusts her direction so that she can go into her programmed orbit and then circle around it at the most appropriate angle（角度）.
A．eventually B．gradually C．constantly D．continuously
B