托业考试

【单选题】
What is the purpose of this announcementA．To announce a flight delay
B．To explain a departure gate change
C．To issue a boarding call
D．To indicate a flight cancellation

网考网参考答案：B
网考网解析：
[听力原文] 71-73 Questions 71～73 refer to the following announcement． 有关变更飞机登机口的公告 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>