1 . 阅读下面短文, 根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词。在给出提示词的空白处用括号内所给词的正确形式填空。
National parks are places to be treasured—places 1 the country locks away the very best it has to offer for everyone to enjoy. Not all famous national parks are on land. One good example is the Great Barrier Reef Marine Park in Australia. 2 (stretch)over 2,300 kilometers, the Great Barrier Reef is considered one of the natural 3 (wonder)of the world. The park was created in 1975 to protect the reef from overdevelopment and fishing. Unfortunately, the biggest danger to it is global warming, 4 park management cannot stop.
