单项选择题

From the passage it can be assumed that wind energy is better because ______.

A．it is cheaper than electric power
B．it does not alter the environment as much as other types of power
C．it lasts longer than electric power
D．it is more efficient than electric power
<上一题 目录 下一题>
热门 试题

单项选择题
According to the passage, which of the following was wind energy first used for
A．Pumping water.
B．Electricity.
C．Propelling ships.
D．Grinding grain.
单项选择题
Which of the following most probably led to a decreased use of windmills in the U. S.
A．The advent of nuclear energy.
B．Increased environmental awareness.
C．The availability of inexpensive electricity in rural areas.
D．A long-term shift in wind currents.
相关试题