【免费下载】大学英语三模拟题

东华大学20__-20__学年第__学期期末试题

踏实学习，弘扬正气；诚信做人，诚实考试；作弊可耻，后果自负

College English Achievement Test

Band 3（易班）

Part I Reading Comprehension (Skimming and Scanning) (10%)

Directions: In this part, there is a passage followed by ten statements. You will have 15 minutes to go over the passage quickly and decide whether each of the statements is true or false, or that the information is not given in the passage. Then mark the answer on the Answer Sheet.

Renewable Energy

How does energy use affect the environment?

All forms of electricity generation have some level of environmental impact. However, clean energy technologies, including renewable energy and combined heat and power, have fewer impacts than other sources of electricity generation.

To learn about the environmental impacts of electricity generation technologies, click on an energy source below.

How clean is the electricity I use?

In the United States, electricity is generated in many different ways, with a wide variation in environmental impact. Traditional methods of electricity production contribute to air quality problems and the risk of global climate change.

With the advent of electric customer choice, many electricity customers can now choose the source of their electricity. In fact, you might now have the option of choosing cleaner, more environmentally friendly sources of energy.

How can I make a difference?

The energy decisions we make every day can encourage the development of new power sources, save natural resources, and help ensure that the quality of our environment is preserved. In many parts of the country, consumers now have the opportunity to choose the source of the power that is delivered to their home or business—including energy derived from renewable sources. "Renewable energy" generally refers to electricity supplied from renewable energy sources, such as wind and solar power (energy supplied by the sun), geothermal (energy created from the extreme heat contained in liquid rock—called magma（岩浆）—within the Earth's core), hydropower (energy derived from the movement of water as it flows downstream), and various forms of biomass (fuel from sources such as trees, wood and agricultural wastes and fuel crops). These energy sources are considered renewable because they are continuously replenished on the Earth.

In addition, mobile sources of air pollution—such as cars, trucks, trains and lawnmowers—also contribute to air pollution nationwide and are an important source of air pollution in many urban areas.

Hydrogen Energy

Using hydrogen energy could help address many concerns facing our nation and our world. We believe hydrogen can contribute to resolving these issues for these reasons: