WHICH OF THE FOLLOWING IS THE MAIN DISADVANTAGE OF SOLAR ENERGY MEN...
5. Which of the following is the main disadvantage of solar energy mentioned in the passage?
A. It is expensive.
B. Solar cells require large areas to operate.
C. It is unfriendly to the environment.
D. It depends on sunlight.
IV. WRITING (1 point)
Rewrite the following sentences which have the same meaning with the given, using the suggested
words at the beginning.