题目内容
If something urgent happens that prevents you from keeping the appointment，you can change
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The author's purpose of writing this passage is to ______.
Before taking your air trip, you have to make sure ______.
Task 1
Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.
"But I just paid $1.69 for lifts bottle of wine last week. How come the price is now $ 2.25？ What's going on？"
There are at least three things going on that have caused the price of wine to rise. All have to do with the supply and demand factors of economics.
The first factor is that people drink more wine than ever before. This demand for more wine has increased overall(总体)wine sales in America at the rate of 15 percent a year.
The second factor is that the supply of wine has stayed relatively the same, which means that the same number of bottles is produced each year. Wine producers are trying to open up new land to grow more grapes (葡萄). But in at least three wine-producing areas of the world—France, Germany, and California—new vineyards (葡萄园)will not be available in the near tirade. Wines are produced in other countries, such as Italy, Spain and Australia, but none of these countries will be able to fill the demand for good wines.
The third factor is that costs of wine productions are increasing. The man who make wine are asking for more money, and the machinery needed to press the grapes is becoming more expensive.
When the demand for something is greater than tile supply, prices go up. When production costs, meaning the prices of labor and machinery rise, the producer adds this increase to the price of the wine.
From the first paragraph, we know that the speaker is ______.
The three factors mentioned in the passage cause ______.
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