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3.  Content-Based Instruction
According  to  Richard  2006  content  means  the  information  that  learners learn  through  language.  Meanwhile  Krahnke  in  Richard  2006  defines  content-
based instruction as “the teaching of content or information in the language being learned with
little  or  no  direct  or  explicit  effort  to  teaching  the  language  itself separately from the content being taught.”
This  method  describes  that  using  content  as  the  motivating  force  of
classroom  activities  will  assist  the  students  to  comprehend  the  materials.  It  can relate  all  the  different  elements  of  communicative  competence,  including
grammatical  competence  to  content.    Content-based  instruction  is  based  on  the following ideas:
“People learn a language more successfully when they use the language as a means  of acquiring information,  rather than  as  an end in  it. CBI better  reflects
learners‟  needs  for  learning  a  second  language.  Content  provides  a  coherent framework that can be used to link and develop all of the language skills.”
Richard  also  states  that  content-based  instruction  could  become  a
framework for a unit of work and f
ramework for commercial EFLESL materials. To  become  framework  for  units  or  materials,  the  instruction  should  initially
identify  the  language  that  will  be  used  for  the  students.  For  example,  in  a  hotel receptionist communication course a teacher may prepare a unit of work on theme
of  telephoning  and  offering.  The  teacher  in  collaboration  with  the  hotel receptionist should identify common topic in hotel receptionist communication as
the  basis  of  the  materials  framework.  Then,  the  teacher  develops  the  activities based on the topic decided before.
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From the explanation above, it can be shown that content based instruction is suitable for the learners in vocational high school which are the participants of
this research. It is due to what students learn in the instruction is language that is used  in  a  particular  context  depends  on  their  major.  In  return,  the  instruction
should  also  be  appropriate  for  the  students  major  so  that  the  students‟ communicative  competence  can  be  developed.  Moreover,  in  communicative
language  teaching  there  is  still  a  way  to  develop  students‟  communicative competence in an instruction through engaging learners in interactive task which
becomes the basis of task-based instruction or task-based language teaching.
4.  Task-Based Language Teaching a.  Definition of Tasks