TPO12L4 Solar Energy (Environmental Science)

音频

题目

1.What is this lecture mainly about?

A. An efficient solution to the problem of storing solar energy

B. Energy policies in the twentieth century

C. Reasons that solar energy is not more widely used

D. The superiority of solar energy to oil and natural gas

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2.What are the two main problems solar power presents as an energy source? [Click on two answers.]

A. It is a potentially dangerous source.

B. It is difficult to concentrate.

C. It is scientifically unsound.

D. It needs to be stored.

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3.According to the professor, what led to the popularity of solar energy in the 1970’s?

A. New solar energy technologies

B. Advertising campaigns by solar energy companies

C. An increase in the price of oil and natural gas

D. The depletion of Earth’s reserves of oil and natural gas

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4.What is the difference between passive and active heating systems?

A. Passive systems are less reliable.

B. Passive systems are difficult to install.

C. Passive systems can be used at any location.

D. Passive systems work without mechanical support.

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5.What is the professor’s opinion about the future of Kramer Junction power plant?

A. He is uncertain about the future of the Kramer Junction plant.

B. He believes the Kramer Junction plant will become a major source of power.

C. He is certain the Kramer Junction plant will not be able to increase its capacity.

D. He thinks the Kramer Junction plant will have many competitors.

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6.What does the professor mean when he says that?

A. He thinks the student should know the answer.

B. He thinks the student has raised an important issue.

C. He wants the student to repeat his question.

D. He will answer the question later in the lecture.


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