题目内容：
(Questions 13-17)·You will hear five short recordings．
·For each recording，decide what the speaker is talking．
·Write one letter(A-H)next to the number of the recording．
·Do not use any letter more than once．
·You will hear the five recordings twice．
13．______
14．______
15．______
16．______
17．______
第13题选择： A．a new clerk
B．a change of management
C．a new computer system
D．the introduction of social programme
E．how to keep workforce
F．the distraction of the package
G．a new idea of the promotion
H．the service for the customers
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答案解析：