【简答题】听音频,完成短文。 Dialog: sports report on channel 4. Laura is a sports reporter. She is talking to a football player after a . Announcer: This morning the___1__ returned from their _2_New York. Laura Mo...
【单选题】In a(n) ________ communication network, all communication passes through a clearly identifiable leader to the others in a team and upward from team members to the leader.