A
Tiny Countries You Never Knew Existed
Sao Tome and Principle
Sao Tome and principle off Africa’s west coast is only 372 square miles. But it has impressive and undamaged nature, rich in biodiversity species. The amazing needle like volcanic peak Pico Cao Grande rises 1000 feet into the air. The areas are home to only around 200，000 people today.
San Marino
Only 23 square miles with a population of just 34,000,the little known country of San Marino surrounded by Italy is the world's fifth smallest country. With the UNESCO World Heritage site of Mount Titano, the country is said to be the oldest republic in the world.
Dominica
Dominica covers only 290 square miles, with some of the best diving in the Caribbean, including the UNESCO World Heritage site of volcanic Morne Trois Pitrons National Park. In Dominica you'll see rain forest waterfalls and coastal views, the island is also home to the only remaining population of the Kalinago, who are part of the islands 74,000 inhabitants.
Kiribati
This Pacific island country of 33 coral islands is 313 square miles but it's the only country in the world to fall into all four hemispheres(半球).The country's 109，000 residents live in only 21 of the islands. See this tropical paradise before it’s no longer--rising seas are threatening to swallow the country whole.
21.Which country has the smallest population?
A. Sao Tome and Principle B. San Marino
C. Dominica D. Kiribati
22.What can one see in both San Marino and Dominica？
A. Volcanoes B. World heritage sites
C. View of the Caribbean D. waterfalls.
23. Which is true of Kiribati?
A. It is rich in biodiversity species B. it is surrounded by Italy.
C. It is home to the Kalinago D. it is disappearing
