阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
The wilderness(荒野) is one of Canada’s treasures and the Canadian national parks are the system through 【小题1】 the Canadian government protects, preserves and displays some of the country’s most 【小题2】 (impress) territory for the benefit of residents, visitors and the environment.
Every national park in Canada is a little bit different, but the majority are 【小题3】 (heavy) forested areas with mountainous landscapes that get snowy in the winter. Most national parks can be used 【小题4】 hiking, cycling and camping, as well as skiing during snowy months.
All of Canada’s national parks 【小题5】(run) by the Canadian federal government and many have unique rules that must be obeyed. In theory, any park can be visited, 【小题6】 many national parks do not permit camping outside of campsite areas, or require campers 【小题7】(get) permission to camp in advance. While the majority of national parks have government facilities within them, such as visitor centers or ranger stations(护林站) to provide emergency 【小题8】(assist) for visitors, many do not, 【小题9】(mean) visitors may be taking 【小题10】 serious personal risk when exploring. Canada is famous for its wild animals, which tend to be numerous in national parks.
