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Its easy to dismiss as absurd the federal government's ideas for plugging the chronic funding gap of our national parks. Can anyone really think it's a good idea to allow Amazon deliveries to your tent in Yosemite or food trucks to line up under the redwood trees at Sequoia National Park?

But the government is right about one thing: U.S. national parks are in crisis Collectively, they have a maintenance backlog of more than $ 12 billion. Roads trails, restrooms, visitor centers and other infrastructure are crumbling 

But privatizing and commercializing the campgrounds would not be a cure-all. Campgrounds are a tiny portion of the overall infrastructure backlog, and businesses in the parks hand over, on average, only about 5o of their revenues to the National Park Service 

Moreover, increased privatization would certainly undercut one of the major reasons why 300 million visitors come to the parks each year: to enjoy nature and get a break from the commercial drumbeat that overwhelms daily life.

The real problem is that the parks have been chronically starved of funding.An economic survey of 700 U.S. taxpayers found that people would be willing to pay a significant amount of money to make sure the parks and their programs are kept intact. Some 81% o of respondents said they would be willing to pay additional taxes for the next 10 years to avoid any cuts to the national parks 

The national parks provide great value to U. S. residents both as places to escape and as symbols of nature. On top of this, they produce value from their extensive educational programs, their positive impact on the climate through carbon sequestration, their contribution to our cultural and artistic life, and of course through tourism. The parks also help keep America's past alive, working with thousands of local jurisdictions around the country to protect historical sites and to bring the stories of these places to life.

The parks do all this on a shoestring. Congress allocates only $ 3 billion a year to the national park system-an amount that has been flat since 2001(in inflation-adjusted dollars with the exception of a onetime boost in 2009 Meanwhile, the number of annual visitors has increased by more than 50% o since 1980, and now stands at 330 million visitors per year.

26. What problem are U. S. national parks faced with?

A. Decline of business profits.

B. Inadequate commercialization 

C. Lack of transportation services 

D. Poorly maintained infrastructure.

27. Increased privatization of the campgrounds may 

A. spoil visitor experience 

B. help preserve nature 

C. bring operational pressure 

D. boost visits to parks 

28. According to Paragraph 5, most respondents in the survey would 

A. go to the national parks on a regular basis 

B. advocate a bigger budget for the national parks 

C. agree to pay extra for the national parks 

D. support the national parks' recent reforms 

29. The national parks are valuable in that they 

A. lead the way in tourism 

B. have historical significance 

C. sponsor research on climate 

D. provide an income for the locals 

30. It can be concluded from the text that the national park system 

A. is able to cope with staff shortages 

B. is able to meet visitors' demands 

C. is in need of a new pricing policy 

D. is in need of a funding increase