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完形填空。阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
When our restaurant business failed,we headed north in a camping truck to Texas,hoping to have a“fresh start”.
At the 31 of Palo Duro Canyon(峡谷)State Park,I 32 a job advertisement hiring park hosts.The position offered a 33,permanent campsite in the park,and 34,the hosts served as a link between the park’s guests and the rangers(护林人).It was the perfect solution:a rent-free place to reorganize our lives.We entered the park and I made an 35 for the following day.
The park was 36,so it took us some time to find an available site.That evening,as we finished our dinner,my wife saw two large skunks(臭鼬)walking toward our table.We 37 climbed onto the table and,for the next four hours,waited for them to 38 our camp.
Having survived that night,we were 39 that everything else would be all right.The next day we met with the people who ran the park.They explained our 40 and gave us a beautiful campsite.
That evening,41,we learned about the canyon 42.They were strong and cold,rocking our little camping truck violently,and we lay 43 in the dark until the winds died away.
44 the weeks that followed,we learned to survive in our truck and 45 the little money my wife 46 by substitute teaching.Building a successful business and then losing it had left very little time for building a successful 47.For a time after our business 48 I thought I might lose my family as well.
Living in the tiny 49 with no television,we sat close together reading and talking.One evening,standing under a jeweled sky,I found myself 50 for all the hardships.We had walked the trails and climbed the canyon walls.We had become a family!
31.A.back B.edge C.centre D.entrance
32.A.sponsored B.published C.noticed D.answered
33.A.safe B.free C.convenient D.beautiful
34.A.in return B.in time C.in short D.in turn
35.A.attempt B.agreement C.appeal D.appointment
36.A.crowded B.dangerous C.ideal D.quiet
37.A.repeatedly B.immediately C.eventually D.calmly
38.A.attack B.leave C.pass D.search
39.A.satisfied B.determined C.confident D.aware
40.A.responsibilities B.requirements C.circumstances D.conditions
41.A.moreover B.therefore C.meanwhile D.however
42.A.winds B.snows C.woods D.trails
43.A.shaking B.quarrelling C.mourning D.aching
44.A.After B.Between C.During D.Beyond
45.A.give away B.hand out C.live on D.put aside
46.A.borrowed B.earned C.posted D.raised
47.A.business B.career C.family D.image
48.A.started B.failed C.expanded D.declined
49.A.truck B.park C.house D.camp
50.A.desperate B.ready C.suitable D.thankful
答案在后面。
答案：31.D 32.C 33.B 34.A 35.D 36.A 37.B 38.B 39.C 40.A 41.D 42.A 43.A 44.C 45.C 46.B 47.C 48.B 49.A 50.D
