2014年公共英语四级考试完形填空练习及答案(22)

2014-04-20 20:02:00来源：网络

　　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