In the past, the Park Service focused on making the big scenic parks more 【21】______ and comfortable for tourists. Roads were p

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问题     In the past, the Park Service focused on making the big scenic parks more  【21】______ and comfortable for tourists. Roads were paved to allow "windshield visitors" to experience the grandeur of nature without leaving their cars, and a  【22】______ number of hotels and grocery stores were permitted to open  【23】______ the park boundaries.
    Now this trend is changing. Plans have been made to  【24】______ the parks to their natural condition as much as possible. The objective of such a move would be to secure the preservation of the parks for future generations,  【25】______ allowing present-day visitors to experience pure wilderness,  【26】______ from any obvious signs of civilization -- an opportunity which is quickly disappearing in the twentieth century.  【27】______ plans call only  【28】______ a reduction in the number of cars  【29】______ into the parks each day, but  【30】______ , tourists may have to leave their cars at the gates and then either visit the park on foot  【31】______ use park  【32】______    【33】______ , stores and hotels may no longer be allowed within park boundaries and even the number of campgrounds may be restricted.
    Denali National Park in Alaska serves as an excellent  【34】______ for this new type of park, one which has been changed only slightly from its  【35】______ state. There is only one road, unpaved in  【36】______ , which cross  【37】______ Denali. As car traffic is strictly limited, many visitors experience the magnificent  【38】______ and wildlife from a park bus. There are no hotels or stores and only seven campgrounds within Denali’s 3,000 square miles. This  【39】______ isolation offers backpackers, canoeists, and other sport enthusiasts a  【40】______ physical and psychological challenge.

选项 A、possible
B、accessible
C、approachable
D、reachable

答案B

解析 accessible“易接近的”,通常指物;approachable“易亲近的”,指人。本句意为公园从前总是致力于让游客更容易更舒服地接近公园的无限风光。
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