单项选择题
Western Australia is the biggest Australian state,but its population is only（）of the country.s population.
A.9% B.10% C.11% D.12%
单项选择题 Adelaide,the capital of South Australia,is internationally known for its（）
单项选择题 The Great Barrier Reef is included on the World Heritage list because（）
单项选择题 The only city on the western coast which has a population of more than one million is（）
