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_____  5.  The  sea  around  the  Galapagos  Islands  is  being  polluted  by  boats.

                         ___—  6.  Inthe  last  50  years,  more  than  90  percent  of  the  big  fish  in  the  sea  have  been  eaten.

                         _____  7.  Many  sea  creatures  have  been  dying  from  water  pollution.

                         ___—  8.  Action  is  being  taken  to  protect  the   Cea
                                  California  and  Oregon  coasts.        The  passive  is  common  in  formal  speaking
                                                                          and  writing.  The  active  is  more  common  in
                               9.  An  area  of  Antarctica  is  protected  by   informal  situations.
                                  scientists  and  international  governments.   Formal:  Not  a  great  deal  is  known  about
                                                               .             the  ocean  floor.
                              10.  The  efforts  of  researchers  have  increased
                                  public  awareness  of  our  ecosystem.     Informal:  We  don’t  know a  lot  about  the
                                                                             ocean  floor.


                     5   Read  each  sentence  and  underline  the  object  of  the  verb.  Then  rewrite  the  sentences  in  the
                         passive.  Do  not  include  the  agent  of  the  action.  Use  the  correct  form  of  the  verb.

                         1.  We  protect  about  12  percent  of  the  land  on  Earth  in  some  way.

                              About  12  percent  of  the  land  on  Earth  is  protectéd_   in  some  way.

                         2.  Local  officials  are  considering  new  guidelines  for  beach  preservation.

                                                                                               for  beach  preservation.


                         3.  The  mayor  has  created  a  nature  preserve  near  the  river.

                                                                                                       near  the  river.

                         4.  Were  guides  giving  tours  yesterday  at  the  nature  preserve?

                                                                                     yesterday  at  the  nature  preserve?

                         5.  Villagers  have  cut  down  all  the  trees  in  that  forest.

                                                                                                       in  that  forest.

                         6.  Did  swimmers  see  dolphins  near  the  beach?

                                                                                                     near  the  beach?

                         7.  Is  the  parks  department  protecting  the  birds  on  the  island?

                                                                                                       on  the  island?

                         8.  Volunteers  cleaned  up  the  trash  on  the  riverbank.

                                                                                                    on  the  riverbank.

                         9.  Fishermen  catch  tens  of  thousands  of  fish  every  day.

                                                                                                           every  day.

                        10.  Has  anyone  reported  the  environmental  problems  to  government  officials?

                                                                                              to  government  officials?


                                                                                              UNIT9   LESSON1   239
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