People need land for many different reasons. 人们需要土地的理由各不相同。

　　They find natural resources on land. 他们在土地中寻找自然资源。

　　They build houses on land. 他们在土地上建房子。

　　They try to get energy from land. 他们设法从土地中获取能源。

　　Which country has the biggest area of land on Earth? 地球上哪个国家面积最大？

　　Russia is the largest country in the world. 俄罗斯是世界上最大的国家。

　　Which country has the smallest area of land？ 地球上哪个国家面积最小？

　　The Vatican City is the smallest country on Earth. 梵蒂冈城是地球上最小的国家。