完形填空（共10小题；每小题1分，满分10分）
阅读下面短文，掌握其大意，然后从第30至第40小题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
Would you like the chance to discover a place of mystery and beauty in the southwest of China? If your answer is “yes”, consider a trip to Shangri-la!
The world “Shangri-la” first  31  in the 1993 novel Lost Horizon by the British writer James Hilton. He described a beautiful kingdom where three  32  joined together, snow-capped mountains  33  to the sky,  34  fields of long grass covered the earth. In this perfect world lived people who had discovered how to stay  35  forever.
Three mountains are covered with snow, tower  36  the land. These snowy mountain tops  37  a beautiful picture that will make any viewer speechless.
Lakes, surrounded by vast grasslands, look  38  jewels. Sheep, cows and horses and animals feed  39  on the green grass and the forests around are  40  to lots of birds and animals. In this heavenly world, people live in perfect harmony with nature and the outside world is forgotten.
31  A  came           B  appeared             C  produced             D  found
32  A  lakes       B  countries             C  rivers              D  railways
33  A  reached         B  expanded             C  spread                 D  stretched
34  A  but              B  so                      C  because               D  and
35  A  calm            B  still                     C  young                  D  the same
36  A  over             B  above                 C  on                      D  beyond
37  A  are               B  form                  C  develop               D  show
38  A  as             B  if                     C  like                     D  for
39  A  simply         B  deeply                C  finally                D  mainly
40  A  family           B  room                   C  family                D  home