5.
阅读理解
Australia
is nearly 7.7 million square kilometres. It's the sixth largest country after
Russia, Canada, China, the United States and Brazil.
There are
rainforests and large plains in the north, snowfields in the southeast, desert
in the centre and croplands in the east, south and southwest. About one third
of the country lies in the tropics (热带地区). Australia has a coastline of
34,218 km. If it were possible to drive non-stop along the whole coast at 60
km/h, it would take about 24 days to complete the trip.
Australia
is on the world's smallest continent (洲) and the sixth largest country
being equal (相等的) to the USA without Alaska, The
continent is one of the oldest lands. And it is the flattest of the continents.
The
population of Australia is more than 20 million. It is one of the world's most urbanized
countries, with about 70% of the population living in the ten largest cities.
Most of the population is concentrated (集中) along the eastern seaboard and
the southeastern corner of the continent.