III. Complete the reading passage.
In many countries, hydroelectric power plant
play an important role in supplying electricity
to households, to manufacturers, and other
commercial and service industries etc. (1)
this method in power production
brings some benefits, there are some potentic
drawbacks we should seriously take into
account. The first one is the substantial
damages to the surrounding (2)
where power plants are built. A large lake
called a damp is formed to store water, which,
under certain circumstances, could flood an
extensive area and destroy habitats of both
plants and (3).
animals living in
this region. The second pitfall is that a damp
could have many potential accidents for
people working there when it is in the
construction process and even when it comes
(4)
use. Because of this
possibility of disadvantages, the other ways
which are greener and more sustainable in (5)
generation should be developed
such as wind or solar power.
1. A. Although B. However C. Moreover D.
Therefore
2. A. Environmental B. environmentally C.
environmentalist D. Environment
3. A. domestic B. wild C. rare D. endangered
â
a