单词填空，每空填一词（满分5分）。
76.  Keep indoors and don’t  ____________（暴露）your skin to the sun.
77.  They have put f_____________ a plan for reducing the level of traffic.
78.  Considering that he was always a careful person, we decided to __________(采纳) his idea at last.
79.  _______ （除了） from school work, I spend my spare time in singing and angling.
80.  Scientists foresee that bird flu and other epidemics will be w________ out with the development of science and technology.
81.  Most disaster experts believe that there is _____________ (潜在的可能性) that things could get a lot worse.
82.   Yesterday I rented a f_____________ apartment, so I didn’t have to buy any desks or chairs.
83.  Because the natural disasters occur at random times, it is difficult to warn people in a___________.
84.  However, learning English as a foreign language is very difficult in the a_________ of a native language environment.
85. More and more people think that nature __________ ( 值得 ) our protection because we ourselves depend on it to live our lives.