1.what is the main point that the writer states in this article?
ans oil
2.Accordind to this passage,which one is true?
2.1 We must hurry to find the solution to this environmental problem.
2.2 War may happen because of people's laziness and greed.
2.3 People need to save oil to the future.
2.4 USA is the cause of oil problem.
3.Which not the following is not the writter's purpose for this article?
3.1. to persuade 3.2. to inform 3.3. to compare 3.4. to explain
4.Which word can be replaced by "handle"?
4.1.use 4.2.happen 4.3.manage 4.4.recieve