第20题: [单项选择]The world’s smallest continent and sixth largest country by total area, Australia-owing to its size and isolation-is often dubbed the "______", and is sometimes considered the world’s largest island. A. island continent B. lost continent C. Noah’s Ark D. Lost Paradise 参考答案:A 答案解析:[考点] 英语国家人文知识 [解析] 澳大利亚是世界上最小的大陆和总面积第六大的国家,因为其面积和隔离性,往往被冠以“大陆岛国(island continent)”之称,有时被认为是世界