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