1. Part I (1-- __) Importance of sustainable development Part II (__--__)sources of energy including fossil fuels and renewable energy

2. 1. What do you think of the global development in the past? 2.What is sustainable development? Any examples? 3. What kind of resources do we mostly depend on currently, the fossil fuels or renewable resources?

3. 4. What are the disadvantages of fossil fuels? 5. Compared to fossil fuels,what are the advantages of alternative resources? 6. What can we do with solar energy, wind energy, and hydroelectricity?

4. 7. Is there any difficulty in replacing fosssil fuels as an energy source?

5. 1.In the next several decades, it is believed that the world’s population will increase to about nine billion people. It is believed that = People believe that 学生的数目增长了 50% 。 学生的数目增长到一万人。

6. 2. This should set alarm bells ringing because the bare fact is that, in order for everyone to survive, serious changes need to be made in global development. The newspaper article _________. ( 使我陷入了沉思 ) He left the baby crying.

7. The earthquake sent them rushing out of the room. 为了不失去工作，他只好保持沉默。 3. One possible solution to this problem now being discussed is sustainable development. 正在建的大楼是我们的图书馆。 被带出国真是一件乐事。.

8. 4. This is a simple idea, but one which is hard to put into practice. 朗读是一个很好的习惯，但也是一个 很难养成的习惯。 这是一个安静的村庄， 也是一个 住进去很舒适的村庄。

9. 5. However, it is something that we must do because without sustainable development, our future and the lives of our children and our grandchildren will be in danger. 音乐是她最喜欢的东西。 She wants to buy a present for her mother, something that is not expensive but valuable.

10. 6. We are currently consuming fossil fuels at a much higher rate than they are being produced. 7. If this continues, some people believe that oilfields and coal seams will run out in the forseeable future. The food has run out. The food is running out.

11. I’ve run out of my money. The contract runs out next year. 8. As people are becoming more conscious of protecting the environment, these types of energy are becoming increasingly popular.

12. 9. The pipes have oil or water inside them, which is either heated and sent to a storage tank until needed or used to boil water ina generator. 如果服用恰当，这个药会有效果的。 除非别人和你讲话，不然不要开口。

13. transfer / transform / translate /transmit / transparent /transplant / transport resource / source

14. 1. 手表要修理了。 (require) 2. 农场为我们提供新鲜的牛奶。 (provide) 3. 我们依赖矿物燃料来产生能量。 (depend on) 4. 短期内你是无法根除这个坏习惯 的。 (in a short period of time) 5. 我们必须要采取严格的措施来禁 止男孩子留长发。 (step)