Is Australia the world’s largest island and its smallest continent? Actually, it’s both. In fact, Australia is the only country that is also a continent. Australia has a population of about 16.5 million. That makes this island nation one of the least densely populated countries. What ethnic groups make up the Australia population? The majority of Australians are of English, Irish, Greek, Dutch, and Polish. However, over the past 50 years, some four million people from more than 120 countries have made Australia their home. This includes a large number of Asian and African immigrants. 
1. What does the passage mainly discuss?    

1. The natural resources of Australia. B.The economic features of Australia
2. The history of Australia.  D.The geographical features of Australia

2.“That makes this island nation one of the least densely populated countries” means ..............     
A. This nation has the most population in the world. 

B.This nation is one of the countries that have the least population

C.This nation has less population than its neighbors.

D.This nation has more population than other countries.

3.The majority of Australians are of ________

1. English and Irish  B. English, Irish, and Greek.
2. English, Irish, Greek, Dutch, and Polish .  D. English, Irish, Italian, Greek, Dutch, and Polish .
   4.“Over the past 50 years, some four million people from more than 120 countries have made

Australia their home” means ____________

1. They left their countries and moved to Australia. 
2. They built their new houses in Australia. 
3. They bought houses in Australia. 

D.They made their houses the same as in Australia.    

5.What is NOT true about Australia?    

1. It is the largest island in the world. 

B.It consists of islands

1. It is the only country that is also a continent. 
2. It is the smallest continent.