PASSAGE 2.

In the modern world, people depend on energy to power their everyday lives. A wide range of power-run devices and modern conveniences (1) _____, and although it may seem that we will not be in danger of living without those conveniences, the fact is that many supplies of energy are running out rapidly. Scientists are constantly (2) ____ new sources of energy to keep modern society running. Whether future populations will continue to enjoy the benefits of abundant energy will depend (3) _____the success of this search.

Coal, oil, and natural gas are now being used widely. (4) _____, these supplies are limited, and they are a major source of pollution. Therefore, the existing alternative energy sources must be involved or further explored and developed. These include nuclear, water, solar, and wind power, as well as energy from new, (5) ______types of fuels. Each of these, however, has advantages and disadvantages.

1.A. are used B. used to C. are using

2.A. looking into B. searching for C. researching

3.A. on B. for C. with

4. A. However B. Because C. Although

5.A. polluting B. polluted C. nonpolluting

B. Read the following passage, then choose the correct answer to questions:

PASSAGE 1.

In Britain, the climate is not very good. There are very few hot days and it rains a lot. Because of this, people spend a lot of time at home. Generally, British homes have a lot of furniture in them, carpets on the floors and heavy curtains.

Many houses in Britain are old. Many of them are over one hundred years old. Often, they do not have enough insulation and the heat goes out through the windows, the doors and up the chimney. Because of the climate, people in Britain have to spend a lot of money on heating. Many houses have a special system called "central heating". This heats all the rooms and, at the same time, heats the hot water. Houses without central heating often have gas, electric or coal fires. The rooms in most British houses are quite small. New houses are much better. They have two layers of glass in the windows to stop the heat going out.

1. Why do British people spend a lot of time at home?

A. Because the climate is not very good.

B. Because they don't know where to go.

C. Because the climate is very good.

2. The heat goes out of the houses through ___________.

A. the doors and up the chimney

B. the windows and up the chimney

C. the windows, the doors and up the chimney

3. Because of ___________, people in Britain have to spend a lot of money on heating.

A. cold weather B. cool weather C. hot weather

4. Houses without central heating often have ___________.

A. gas or coal fires B. electric or coal fires C. gas, electric or coal fires

5.New houses usually have ___________ in the windows to stop the heat going out.

A. one layer of glass B. two layers of glass C. two or three layers of glass

PASSAGE 2.

Many people still believe that natural resources will never be used up. Actually, the world's energy resources are limited. Nobody knows exactly how much fuel is left. However, we also should use them economically and try to find out alternative sources of power. According to Professor Marvin Burnham of the New England Institute of Technology, we have to start conserving coal, oil and gas before it is too late; and nuclear power is the only alternative.

However, many people don't approve of using nuclear power because it is very dangerous. What would happen if there were a serious nuclear accident? Radioactivity causes cancer and may badly affect the future generations. The most effective thing is that we should use natural resources as economically as possible.

1. According to the passage, using nuclear power is ________

A. dangerous B. interesting C. safe

2. Radioactivity from nuclear power ________

A. the future generations do nothing with it

B. causes cancer and has bad effect

C. are necessary to cure diseases

3. How much fuel is left?

A. No one know exactly

B. Let's use it as much as we would like

C. It will never be used up

4. We should use coal, oil and gas ________

A. as economically as possible

B. carelessly

C. as much as possible

5. According to Professor Marvin Burnham, ________

A. Nuclear power is the only alternative

B. We have to conserve coal, oil and gas

C. A and B are correct