A.Koalas and possums.B.Emus and kangaroos.C.Echidnas an……

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（）

A.the eastern coastal areas of Queensland
B.the Blue Mountains
C.the New England Tableland
D.the highest peaks of the Snowy Mountains and Victorian Highlands

单项选择题Most Australians live on the cool,wet,forested（）.

A.southeast coastland　
B.southwest coastland
C.northeast coastland　
D.northwest coastland

单项选择题Although Australia has a large area,（）of the continent is desert or semi-desert.

A.one third　
B.two thirds
C.half　
D.more than half

单项选择题The geographical structure of Australia is generally divided into threetopographical regions:（）

A.the Eastern Plateau,the Central highlands and the Western Lowlands
B.the Central Plateau,the Western Highlands and the Eastern Lowlands
C.the Western Plateau,the Eastern highlands and the Central Eastern Lowlands
D.the Central Plateau,the Western highlands and the Eastern Lowlands