听力原文:Man: Last month a businessman from Singapore ordered a total of $ 310, 000 worth
of livestock and poultry from the company. Since this is the first time we are doing business together I must be careful about every detail. So when he said he'd make the payment by L/C, I pointed out that it should be irrevocable. Otherwise, there is no protection for the exporter.
&8226;You will hear another five recordings.
&8226;For each recording, decide who is speaking.
&8226;Write one letter (A--H) next to the number of the recording.
&8226;Do not use any letter more than once.
&8226;You will hear the five recordings twice.
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A an official
B a marketing researcher
C a health products exporter
D an agent for textiles
E a trader for livestock and poultry
F a clothing maker
G a company's receptionist
H a board member