Câu hỏi:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.

Renewable energy is generated from sources (8) __________ naturally replenish themselves and never run out. The most (9) __________ sources are solar, wind, hydro, geothermal and biomass.

Over 80 percent (10) __________ the total energy consumed by humans is derived from fossil fuels. (11) __________, renewables are the fastest growing source of energy in the world. Renewable energy has many benefits. First, it can combat climate change because it creates no direct greenhouse gas emissions. Second, renewable energy can decrease pollution and therefore reduce threats to our health. Third, renewable energy is a reliable source of power because renewable energy sources are well renewable. They will never run out. Advances in technology will make renewable energy more (12) __________, affordable and efficient and end to climate change could be within our reach.

Renewable energy is generated from sources (8) __________ naturally replenish themselves and never run out.