陕西省定边县第四中学高中英语 Unit 3 Australia 背景材料 文章 General facts 素材 新人教版选修 9About one in four Australians were born in another country. Roughly one in four Australians have one or both parents born overseas. Aboriginal and Torres Strait Islander people make up approximately 2% of the population.Approximately 17% of Australians speak a language other than English at home. There are 170 Aboriginal and Torres Strait Islander languages.There are more than 100 different ethnic groups.Approximately 70% of 'Aussies' live in one of the eight major cities. Some facts on South Australia you may not know...Most South Australians (around 75 per cent) live in and around Adelaide.The indigenous people of the Adelaide region are the Kaurna people.Flag: Australia's flag was proclaimed the national flag in 1951. It features: the Union Jack in the upper corner, reflecting Australia's historic links to the British