Lesson Six Text A

                 Diamonds
      Diamonds are rare, beautiful, and also quite useful. They are the hardest substance found in nature. That means a diamond can cut any other surface. And only another diamond can make a slight cut in a diamond.
      Diamonds are made from carbon. Carbon is found in all living things, both plant and animal.
   
   
   
   
  Substantial
  Coal
  press
  Gas---solid---liquid
  Melt away
  popularity
  This type of Mp3 is popular with the college students.
  Red stone---jewel
  Form-----fill inout the form
  Tube baby
  A little bit
  Lift---escalator
  Damage
  Fat
  She had two romantic experiences last summer.
  He is an old worker with much experience.
  Mine
  At once----right away----one minute
  The desk is made of wood.
  The wine is made from grape.
  The paper is made in China.
  Time is running out.
  We are running out of coffee.
  Sort=kind---all kinds of =all sorts of 
  Sticky tape-----cling to
  Impress---impression
  Fatty
  Brazilian