单项选择题
Australia.s most common plans are（）
A.oaks and elms B.palms and pines C.willows and poplars D.eucalypts and wattles
单项选择题 The only places in Australia that experience regular winter snowfall and icy conditions are（）
单项选择题 Most Australians live on the cool,wet,forested（）.
单项选择题 Although Australia has a large area,（）of the continent is desert or semi-desert.
