【正确答案】
C
【答案解析】[听力原文]
He said he had forgotten the code of his safe.
【正确答案】
A
【答案解析】[听力原文]
In the United States, the Federal Gold Reserve acts as the central bank.
【正确答案】
D
【答案解析】[听力原文]
Don't leave your change on the counter.
【正确答案】
D
【答案解析】[听力原文]
Barter trade was tile original form of the international transaction.
【正确答案】
D
【答案解析】[听力原文]
If you lose your bank notes, the chance for you to get them back is not high.