Read the following passage...

Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

A. The benefits of solar and wind power over conventional energy sources.

B. Two types of alternative energy sources that should be further utilized.

C. How energy resources are tapped from nature.

D. Examples of the use of energy sources worldwide.