Our population is dramatically growing toward 13 billion people and our demand for food, fresh water and energy is predicted to double.
举一反三
- Solar water heaters would be immesely ______ since it would help dramatically lower our energy costs.
- In recent years, a growing body of research has shown that our appetite and food intake are influenced by a large number of factors besides our biological need for energy, including our eating environ
- By 2030 the world ’ s demand for energy is projected to more than double.
- It is expected that the world's population will reach ______ by the end of the century. A) 2 billion people C) 80 percent of all people B) 4.4 billion people D) 6.4 billion people A: It is expected that the world's population will reach ______ by the end of the century. B: 2 billion people C: 4.4 billion people D: 80 percent of all people E: 6.4 billion people
- 中国大学MOOC: The world’s population is growing ______, and there is ______ land and water for growing rice.