填空题

In business, many places adopt a credit sys tem, which dates back to ancient times. At present, purchases can be made by using credit cards. They fall into two categories: one has (1)______ use, while (1)______ the other is accepted almost everywhere. The application for the use of the latter one must be made at a (2)______. (2)______ Once the customer starts using the card, he will be provided with a monthly statement of (3)______by the credit company. He is required to (3)______ pay one quarter to half of his credit (4)______ every (4)______ month. Advantages. 1. With a card, it is not (5)______to save up money before an actual purchase (5)______ 2. If the card is lost, its owner is protected 3. A (6)______ and complete list of purchase re (6)______ ceived from the credit company helps the owner to remember the time and (7)______ of his purchase. 4. (7)______ the cards are accepted in a(n) (8)______ by professional (8)______ people like dentists, etc. Major disadvantage. The card owner is tempted to (9)______his money. If this is the case, (9)______ it will become increasingly difficult for the user to keep up with the required (10)______, which will re (10)______ suit in the credit card being cancelled by the credit company.

【参考答案】

necessary/required/crucial/essential