In Australia there is a famous island called Fraser Island. A great many visitors come here for holidays every year. {#blank#}1{#/blank#} ? The reason is that it is special. In fact, it is {#blank#}2{#/blank#} sand island in the world. The island that is about 200 kilometers long and 240 kilometers wide is completely made of sand.  

    {#blank#}3{#/blank#} the island is a popular place of interest, there is no airport on the island. The long beach along the east coast works as the airport. {#blank#}4{#/blank#} arrive and leave from here.

    On the island there are sand hills {#blank#}5{#/blank#} any plants, but there are forests in which many kinds of birds and animals live. There are old trees, beautiful flowers and over a hundred lakes in {#blank#}6{#/blank#}, too.

    Every year, visitors come to enjoy the island's natural beauty while getting some experience of living in the wild.  People like camping and hiking there. {#blank#}7{#/blank#} , visitors have caused many problems. Animals were killed for food and this made them in {#blank#}8{#/blank#} of extinction(灭绝) They threw rubbish {#blank#}9{#/blank#} , and the lakes were seriously polluted.  

    So it is time to protect the environment of the island. {#blank#}10{#/blank#} have been set up. For example, visitors are not allowed to use motorboats (摩托艇)or go fishing in the lakes, and they mustn't leave any rubbish.