Page 51 - Grasp English C1 (Student Book)
P. 51

Energy             4





                 C.  Complete the text about the Future of Energy   D.  Complete the definitions with the words in bold
                   with the sentences below.                         from the text.

                   a.  However, the polluting effects of coal, oil,   1.                  is a chemical like alcohol
                      and natural gas are well known, and there        which can be used as a fuel.
                      is pressure on energy companies and            2.                   is dead plant and animal
                      governments to find alternative sources of       material which can be used as a fuel.
                      energy for our future.
                                                                     3.                   is the energy that something
                   b.  The problem is supplying it continually for the   has because it is moving.
                      growing number of people on the planet who     4.  If something is              , it includes
                      need it.
                                                                       many types of thing.
                   c. Although biofuels are promising, production    5.  If something is              , it will finish at
                      requires intensive farming methods that are      some time in the future.
                      potentially environmentally damaging.
                                                                     6.                   is the process of joining the
                   d.  It is clean in terms of its emissions, and safety   nuclei of atoms to produce energy.
                      has improved considerably since the disasters
                      at Three Mile Island and Chernobyl resulted in   7.                 is a harmful by product of
                      a loss of public confidence.                     nuclear power generation.
                                                                     8.  The                  is the combination of
                   e.  Meanwhile, in Stockholm, one office has a
                      heating system powered by the excess body        power sources that contribute to the whole power
                      heat of commuters travelling through the         supply.
                      nearby train station.
                                                                  E.  Mark the sentences as true (T) or false (F)
                   f.   The extent to which these energy sources can
                      be utilised depends on the natural conditions   according to the text.
                      of a country.                                  1.  The writer believes that most of our energy will
                   g. These are like batteries, but they use reactants   come from nuclear power in the future.
                      from an outside source such as hydrogen, to    2.  Disasters at Three Mile Island and Chernobyl have
                      generate power.                                  resulted in a lack of confidence in nuclear power.
                                                                     3.  Nuclear energy is currently generated by the
                                                                       process of fusion.
                                                                     4.  The company Pavegen generates energy from
                                                                       the action of people walking.
                                                                     5.  The writer describes how algae and corn can be
                                                                       burnt to produce electricity.
                                                                     6.  The writer believes that in future, our power will
                                                                       come from a wider variety of sources.


                                                                  F.  Discuss the questions in pairs or groups.

                                                                     1.  What fuels that power vehicles are you familiar
                                                                       with?
                                                                     2.  What is preventing a faster switch from oil-based
                                                                       vehicle fuels to alternative fuels?
                                                                     3.  Do you know of any other innovative ways of
                                                                       producing energy?
                                                                     4.  Are you optimistic or pessimistic about the future
                                                                       of power?






                                                                                                                       49
   46   47   48   49   50   51   52   53   54   55   56