EXERCISE 22

　　In the past,the Park Service focused on making the big scenic parks more __1_ and comfortable for tourists.Road were paved to allow "windshield visitors" to experince the grandeur of nature without leaving their cars,and a _2__ number of hotels and grocery stores were permitted to open __3_ the park boundaries.

　　Now this trend is changing.Plans have been made to __4_ 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,__5_ allowing present-day visitors to experience pure wildeness,__6_ from any obvious signs of citilization——an opportunity which is quickly disappearing in the twentieth century.__7_ plans call only __8_ a reduction in the number of cars __9_ into the parks each day,but __10_,tourists may have to leave their cars at the gates and then dither visit the park on foot__11_ use park__12_.__13_,stores and hotels may no longer be allowed within park boundaries and even the number of campground may be restricted.

　　Denail National Park in Alaska serves as an excellent __14_ for this new type of park,one which has been changed only slightly from its __15_ state.There is only one road,unpaved in __16_,which cross __17_ Denali.As car traffic is strictly limited,many visitors experience the magnificent __18_ and wildlife from a park bus.There are no hotels or stores and only seven campgrounds within Denali's 3000 square miles.This __19_ isolation offers backpackers,canoeists,and other sport enthusiasts a __20_ physical and pshchological challenge.

　　1）    A  possible       B accessible        C approachable D reachable
　　2）    A  large          B amazing         C minumum   D limited
　　3）    A  within         B inside           C on         D at
　　4）    A  recover        B turn             C rebuild     D restore
　　5）    A  thus           B and             C while      D but
　　6）    A  released       B devoid           C free        D resulted
　　7）    A  detailed       B initial            C overall     D long-term
　　8）    A  at            B on               C for        D about
　　9）    A  allowed       B parked           C moved      D headed
　　10）   A  then          B finally           C consequently D eventually
　　11）   A  or            B and             C but         D may
　　12）   A  transportation   B traffic           C facilities    D lot
　　13）  A  exceptionally    B additionally      C increasing    D extraordinarily
　　14）   A  prototype       B example        C model       D pattern
　　16）   A  segment       B portions         C divisions     D sections
　　15）   A  original       B naturall          C primitivel    D rude
　　17）   A  in            B into             C off          D through
　　18）   A  scenery       B scene            C sight         D spectacle
　　19）  A comparative     B relative           C strict        D geographical
　　20）  A  strange       B specific            C special       D distinct

　　参考答案：

　　1——5  BDADC
　　6——10  CBCAD
　　11——15  AABCB
　　16——20  DDABC