Australia is a nation of immigrants because the overwhelming majority of the Australian population are（）.

单项选择题Australia is politically divided into（）states and（）territories.

A.four/three　
B.five/two
C.six/three　
D.six/two

单项选择题Why has Australia always been a continent with few people?（）

A.Because Australia is too far away from Europe.
B.Because Australia is the least mountainous and most level of the world.s continents.
C.Because Australia is separated from the rest of the world by seas.
D.Because most of the continent is hot and dry.

单项选择题Aboriginal and Torres Strait Islander people constitute（）of Australia.s population.

A.1%
B.1.5%
C.2%
D.2.5%

单项选择题What animals are regarded as Australia.s national fauna?（）

A.Koalas and possums.
B.Emus and kangaroos.
C.Echidnas and platypuses.
D.Budgerigars and cockatoos.

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