listen to five short conversations.[音频]

A. Ted will drop oout of school.
B. Ted is very intersted in computer class.
C. Ted will establish his own computer company.
D. Ted is not capable of setting up his computer company.

[音频]

A. He is worried about the wastewater recycling.
B. He is worred about the price of the tiny engines.
C. He is worried about people in areas lacking water.
D. He is worried about the pollutnats in wastewater.

[音频]

A. The man is steired of driving cars to work every day.
B. The man is planning to buy an intelligent car.
C. The man thinks intelligent cars might be expensive.
D. The man is working with some engineers on intelligent cars.

listen to the long conversation.[音频][音频]

A. He has only written three stories and that is not enough.
B. He has no idea about his new writing assingment.
C. Writing threee stories in two months is too much for him.
D. The two-month creative writing class is boring.

[音频]

A. Watch interesting people tih strange hats.
B. Get creative ideas from real daily life.
C. listen to dramatic goodbyes in different accents.
D. Talk with people to know their stories.

Passage 1[音频][音频]

A. Queen Elizabeth I.
B. Sir John Harrington.
C. Thomas Crapper.
D. Queen Elizabeth I's godmother.

[音频]

A. The improves the pipes that were attached to the bottom.
B. They added a knob on the chain to pull more easily.
C. They improved the flush system to make it less water-consumming.
D. They improved the collection bowl to make it more sanitary.

[音频]Scientific research should improve our overall quality of life. The government should provide financial and political support to any research that is likely to result in immediate and significant benefits for the people. However,people's ideas 1)____ when it comes to whether the government should support scientific research with no practical use. Still 2)____ people believe that the government should distribute adequate funds to any scientific research that aims to improve the 3) ____ of people, even if it is of no practical use in the short run.Scientific research whose social benefits are immediate,predictable and 4)____should continue to be a high priority. For example, biotechnology research has been proven to help cure and prevent diseases; information technology enables education to be more 5)____; and communication technology facilitates global peace by improving mutual understanding among people and their participation in the democratic process. However, this is not to say that research whose benefits are less immediate or clear should be given a lower priority. It is difficult to predict which research will 6)____ lead to the greatest contributions to society.Reluctance to finance less practical scientific research could 7)____ on the efforts to explore new knowledge. This is particularly true of the computer sciences. For instance,before the first computer was invented, public opinions 8) ____ it, as most people saw nothing practical in computer research. However, computers transformed the way human society,evolved and proved to be of great avail in the long run, especially in terms of scientific development in fields such as the military,medicine, 9)____, and education.Therefore,never should we think that scientific research whose benefits are unknown 10) ____ since the purpose of any research should be to discover truths,whatever it might be.