It is March 12th. It's Tree Planting Day. There are many people on the hills. They're planting trees. People plant many trees today. Plants are important to us. They can make food from the air, water and sunlight. But animals and people can't do so. Animals and people can get food from plants. Without plants, life will not go on, Plants make the air clean. They can keep water from flowing away(流失). They can stop wind from blowing up sand and earth. But in some places people are cutting down too many trees. This brings about floods and sandstorm. Now more and more people know that plants are important. They will plant more trees and grow more plants. They will try to protect the trees.

根据短文内容完成表格中所缺信息。

小鹏同学在制作美国、日本、俄罗斯地理信息卡片时，漏掉了国家名称，请你帮他辨识出属于美国的地理信息（  ）
①地球上唯一占一个大陆的国家
②领土跨寒、温、热三带
③亚洲经济发达国家
④工农业现代化程度高、高新技术产业发达
⑤联合国总部所在地
⑥地跨亚欧两洲的国家