填空题Passage 3 Flying Blue is a frequent flier rewards program offered by Air France and KLM Royal Dutch Airlines. Flying Blue members enjoy the ability to earn and spend air mile points on flights and air services offered by Air France, KLM, and its various airline partners. Flying Blue also offers other ways to spend your points with select travel and transportation companies for things such as hotel rentals(租借).Award miles can be used to purchase discounts, gifts and free flights. Flying Blue offers several different levels of membership dependent on how often you fly and how many air points you have accumulated. The levels are in order of Ivory(象牙),Silver, Gold, an Platinum(白金). As one increases in membership level, one will receive increased benefits such as first-class promotion on fights and extra baggage allowance(额外的行李重量). Members must fly on a paid fight at least once every twenty months, or their miles will no longer count. The Flying Blue rewards program is a great way for frequent fliers and travelers to get a little bit more out of their airline travels. As the first membership level, Ivory is your gateway to enjoying all that Flying Blue has to offer. With Ivory membership, you can start earning and spending miles on a large number of flights and services. There are so many reasons to join the Flying Blue program---and it all starts with Ivory. 21.Flying Blue is a rewards program specially intended for _______ A. first-class travelers B. business executives C. frequent passengers D. VIP members 22. Flying Blue members have the right to use their award miles to_______ A. get free tickets B. visit local scenic spots C. shop in the supermarkets D. go through VIP passages 23. To make their miles count, members must ______ A. pay their membership fee regularly B. fly overseas at least once every year C. take a domestic flight with Air France once a month D. pay for their flight at least once within twenty months 24.Which of the following statements is TRUE according to the passage? A. All the members enjoy equal benefits. B. Ivory is the starting membership level. C. Fliers can choose any membership level. D. VIP rooms are only for the platinum level 25. The title of the passage could be ______ A. Introduction to Flying Blue B. Flying with Air France and KLM C. Accumulation of Air Mile Points D. Levels of Flying Blue Membership