A、Tracing travel trends around the whole world. B、Helping countries promote tourism campaigns. C、Providing guides for people to

Tourism campaigns featuring bikini-clad models and images of the outback as in the new epic movie “Australia” have helped Australia win the title of world’s top country brand for the third consecutive year. (16) An annual country branding index designed to track travel trends and pinpoint opportunities for tourism worldwide had Canada rising to second place in the list of countries with the best brand reputations after coming sixth last year.
(17) Other countries to make the top 10 in the fourth annual Country Brand Index (CBI) were Italy, Switzerland, France, New Zealand, Britain, Japan and Sweden. (18) The index identified China, the United Arab Emirates and Croatia as the top three “rising stars” — those likely to become major tourist destinations in the next five years. Although Australia came top overall, when it came to the best branded countries for arts and culture the list was led by Italy, France and Egypt. When it came to nightlife, the leaders in branding were Japan, Brazil and Spain, for fine dining the winners were Italy, France and Japan, and for shopping, it was hard to beat the United States, United Arab Emirates and Singapore. But (19) when it came to the country where travelers would most like to live in, Australia came first followed by New Zealand, Canada, and Switzerland. The survey also identified various travel trends including women traveling more and without men, affluent retirees traveling with their grandchildren, and more people visiting places or species that are seen as endangered or in some form of time-related environmental risk.
Questions 16 to 19 are based on the passage you have just heard.
16. What does the annual country branding index aim at?
17. Which country is not included in the top 10 in the fourth annual CBI?
18. Which country is likely to become a major tourist destination in the next five years?
19. What can we know about Australia from this index?