【正确答案】 B

【答案解析】[听力原文] 21-24 In the United States, even if you decide that you do not want to borrow in order to go on vacation, it is still a good idea for you to have several major credit cards. These provide positive identification when renting an automobile and can be used for the deposit. The credit card receipts will serve as an accurate record of all hotel, plane, train, and restaurant expenses. The use of credit cards avoids the necessity of carrying large amount of cash, purchasing large amounts of traveler's cheeks and keeping track of them, or attempting to use personal checks in places other than your own locality. Many major credit cards provide an instant cash service in case you run out of money. American Express, for example, has set up machines in major airports in which you can purchase traveler's checks using your American Express card. 21. The credit card receipts will serve as accurate record for all but which of the following choices? 录音原文提到The credit card receipts will…and restaurant expenses．信用卡收据准确地记录了花费在宾馆、飞机、火车、餐馆方面的支出，没有提及股票交易支出。

【正确答案】 D

【答案解析】[听力原文] Which of the following is not true about the use of credit card? 录音原文提到The rise of credit cards avoids…in places other than your own locality．信用卡的用处有：不必携带大量现金、不必购买大额旅行支票并随时记录支出，或者不必在别处使用个人支票。录音原文接着提到Many major credit cards provide…you run out of money．你的钱花光时，一些主流信用卡能及时提供现金。

【正确答案】 A

【答案解析】[听力原文] Concerning the advantages of credit cards, which of the following is true? 综合整个录音原文容易推出：信用卡非常有用而且很方便。

【正确答案】 A

【答案解析】[听力原文] According to the passage, which card has set up machines in major airports? 录音原文提到American Express, for example, has set up machines in major airports…例如，美国快递已经在各主要机场安装了提款机。