What are the major natural resources in the U.S.?
举一反三
- What are the major natural resources in the United States?
- The effective demand for natural resources: Refers to people's need for natural resources and the ability to meet such needs.
- Scientists are trying to find out what advantage should be ____ natural resources in this area.
- What can we do to （保护；保存）the natural resources from ruin?
- Which one(s) are the main factors to fuel the U.S. economy? A: Abundant natural resources B: A well-developed infrastructure C: High productivity D: The Commonwealth E: The world's largest population F: Nationwide social reform against the feudalism