目 录 Unit 1 At a Travel Agency ····················································································1 Part A Micro-Listening ····················································································1 Part B Listening Task······················································································2 Part C Additional Listening···············································································5 Part D Announcements····················································································7 Part E Speaking Tasks ·····················································································7 Part F Home Listening ····················································································8 Unit 2 Booking Tickets ······················································································ 11 Part A Micro-Listening ·················································································· 11 Part B Listening Task···················································································· 12 Part C Additional Listening············································································· 14 Part D Announcements·················································································· 16 Part E Speaking Tasks ··················································································· 17 Part F Home Listening ·················································································· 17 Unit 3 At the Airport （I） ······················································································ 19 Part A Micro-Listening ·················································································· 19 Part B Listening Task···················································································· 20 Part C Additional Listening············································································· 22 Part D Announcements·················································································· 25 Part E Speaking Tasks ··················································································· 26 Part F Home Listening ·················································································· 26 Unit 4 At the Airport （II）······················································································ 30 Part A Micro-Listening ·················································································· 30 Part B Listening Task···················································································· 31 Part C Additional Listening············································································· 33 Part D Announcements·················································································· 35 Part E Speaking Tasks ··················································································· 35 Part F Home Listening ·················································································· 36 Unit 5 Departure ······························································································ 38 Part A Micro-Listening ·················································································· 38 Part B Listening Task···················································································· 39 Part C Additional Listening············································································· 41 Part D Announcements·················································································· 43 Part E Speaking Tasks ··················································································· 43 Part F Home Listening ······················································