Page 43 - Grasp English C1 (Workbook)
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Energy             4





                D.  Note down the advantages and disadvantages of photovoltaic solar panels and wind turbines
                   mentioned in the recording.


                     Advantages       Disadvantages         Advantages                      Disadvantages
                   Photovoltaic solar panels
                    Photovoltaic solar panels


                   Wind turbines
                    Wind turbines







                E.  Listen again and complete the phrases about   F.   In pairs, choose a pair of renewable home
                   suggestions and options.                          power systems below and research their
                                                                     advantages and/or disadvantages.
                   1.  I’m              getting some sort of
                      renewable energy supply to power my house.     1.  ground source heat pumps vs. air source
                   2.  You                             to put up       heat pumps
                      wind turbines.                                 2.  wood burning stoves vs. pellet boiler heating
                                                                       systems
                   3.  That’s                      in my area.
                                                                     3.  photovoltaic solar panels vs. solar heating
                   4.  I’m               a turbine will make as
                      much electricity on my land.                   4.   microhydropower vs. wind turbines
                   5.  You’ll                             before
                      you               and install one.          G.  Use the information you researched in exercise
                   6.  It                             the            F and the phrases in exercise E to role-play a
                      investment.                                    conversation in which you are discussing which
                                                                     renewable home power system to install in your
                   7.  You’ll need to                      your roof   home. In your conversation:
                      is suitable.
                   8.   I might                      getting some of   1.  state the advantages of each system.
                      the trees round the house cut down.            2.  state the disadvantages of each system.
                   9.  I’ll                      getting solar panels.   3.   consider how suitable each one would be in
                                                                       your current home.

                    Writing

                 A. In pairs or groups, answer the questions.
                   1. Which household appliances use the most power?

                   2. Do you use energy-efficient household appliances at home?
                   3. What kinds of energy-efficient household appliance are available?

                 B.  You will read an argumentative essay persuading people to use energy-efficient household
                   appliances. Before you read, discuss the questions in pairs.

                   1. Brainstorm some of the arguments in favour of using energy-efficient household appliances at
                      home.

                   2. Why might some people avoid using such appliances?
                   3. What would you say to someone who avoids buying energy-efficient appliances?


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