【题目】 Ecotourism is one of the most rapidly growing form of specialized travel in the West，with central American countries，such as Costa Rica，________the principal destinations at present．

1、[单选题]Since China opened to the outside world in ________，the number of hotels has increased considerably．

• A、1970 
• B、1978 
• C、1980 
• D、1997

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2、[单选题]Airlines will________ to allow for the high number of________ ，but must exercise caution．

• A、overbook, independent travelers 
• B、overbook, no-shows
• C、underbook，business travelers 
• D、underbook，repeat travelers

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3、[单选题]Local people usually see tourism as _______.

• A、an opportunity to make a profit
• B、an opportunity to create jobs
• C、a cultural and employment factor
• D、a wealth factor in the economy of their jurisdictions

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4、[单选题]The entire tourism industry rests on a base of_______.

• A、national economy
• B、natural resources
• C、hotel and transportation
• D、government policy

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5、[单选题]When going on holidays, which group will think more about their social status?

• A、Tourists taking holidays for educational purposes.
• B、People going on adventure holidays.
• C、Those travel for travel's sake.
• D、Those who travel for cultural events.

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