Ⅰ.语境语法填空
(Ⅰ)用所给词的适当形式填空
Many species are at the risk of becoming extinct because of the 1.destruction (destroy) of wildlife habitat.With the 2.existing (exist) natural forests disappearing, wild animals have to move.But few can survive as their 3.adaptation (adapt) to new surroundings is poor.The fact made scientists 4.frightened(frighten)．In addition to calling for protection of forests, many of them are trying to discover the 5.mystery(mysterious) how the survivors deal with their new environment.
(Ⅱ)填入一个单词
There used to be an orchard(果园) in my village.Branches of some trees stuck 1.out when summer came, almost cutting 2.off the path beside the orchard.Last year, I decided to go back and have a look.When I got close 3.to the village, I was a bit sceptical 4.of/about what I saw.Tall buildings stood where the orchard had been.My father's explanation threw light 5.on my puzzle.The orchard was substituted by a chemical factory so as to adapt 6.to the economic development.However, the water and soil were badly polluted, putting many species at the risk of dying 7.out.
