完形填空：
67.came out
68.less
69.By
70.almost
71.fertile
72.growth
73.lead
74.pressure
75.surroundings
76.into
77.driven
78.treasure
79.when
80.expand
81.at
82.frequent
83.major
84.trend
85.While
86.qualities
翻译
87.In order to ensure him to attend the meeting
88.was said to be founded
89.without the special environment on earth
90.what the tourists were impressed by
91.the books that I borrowed be returned to the library
